Regression introduced with 14e568e78f6f80ca1e27256641ddf524c7dbdc51(stop_machine: Use smpboot threads)
From: Konrad Rzeszutek Wilk
Date: Fri Feb 22 2013 - 20:18:36 EST
Hey Thomas,
I don't know if this is b/c the Xen code is missing something or
expects something that never happend. I hadn't looked at your
patch in any detail (was going to do that on Monday).
Either way, if I boot a HVM guest with PV extensions (aka PVHVM)
this is I what get:
Loading initramf.gz....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.8.0upstream-06472-g6661875-dirty (konrad@xxxxxxxxxxxxxxxxxxx) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Fri Feb 22 20:00:54 EST 2013
[ 0.000000] Command line: initrd=initramf.gz console=ttyS0,115200 test=netstatic nofb sleep BOOT_IMAGE=vmlinuz
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003f7fffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] Hypervisor detected: Xen HVM
[ 0.000000] Xen version 4.2.
[ 0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs.
[ 0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks.
[ 0.000000] You might have to change the root device
[ 0.000000] from /dev/hd[a-d] to /dev/xvd[a-d]
[ 0.000000] in your root= kernel command line option
[ 0.000000] No AGP bridge found
[ 0.000000] e820: last_pfn = 0x3f800 max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] found SMP MP-table at [mem 0x000fbba0-0x000fbbaf] mapped at [ffff8800000fbba0]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] init_memory_mapping: [mem 0x3a000000-0x3a1c8fff]
[ 0.000000] init_memory_mapping: [mem 0x38000000-0x39ffffff]
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x37ffffff]
[ 0.000000] init_memory_mapping: [mem 0x3a1c9000-0x3f7fffff]
[ 0.000000] RAMDISK: [mem 0x3a1c9000-0x3f7defff]
[ 0.000000] ACPI: RSDP 00000000000ea020 00024 (v02 Xen)
[ 0.000000] ACPI: XSDT 00000000fc010140 00054 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: FACP 00000000fc00fe00 000F4 (v04 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: DSDT 00000000fc004180 0BBF6 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] ACPI: FACS 00000000fc004140 00040
[ 0.000000] ACPI: APIC 00000000fc00ff00 000D8 (v02 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: HPET 00000000fc010050 00038 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: WAET 00000000fc010090 00028 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: SSDT 00000000fc0100c0 00031 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] ACPI: SSDT 00000000fc010100 00031 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000003f7fffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x3f7fffff]
[ 0.000000] NODE_DATA [mem 0x3f7fc000-0x3f7fffff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009dfff]
[ 0.000000] node 0: [mem 0x00100000-0x3f7fffff]
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x08] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0a] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0e] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x12] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x14] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x16] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x18] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x1a] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x1c] disabled)
[ 0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-47
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 15 CPUs, 13 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
[ 0.000000] PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
[ 0.000000] e820: [mem 0x3f800000-0xfbffffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen HVM
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:15 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff880039e00000 s84928 r8192 d21568 u131072
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 256420
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: initrd=initramf.gz console=ttyS0,115200 test=netstatic nofb acpi_sleep=tss sleep BOOT_IMAGE=vmlinuz
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] __ex_table already sorted, skipping sort
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Memory: 922436k/1040384k available (6617k kernel code, 396k absent, 117552k reserved, 4286k data, 1028k init)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=15.
[ 0.000000] NR_IRQS:33024 nr_irqs:1208 16
[ 0.000000] Xen HVM callback vector for event delivery is enabled
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] tsc: Detected 3901.188 MHz processor
[ 0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
[ 0.008000] Calibrating delay loop (skipped), value calculated using timer frequency.. 7802.37 BogoMIPS (lpj=3901188)
[ 0.014003] pid_max: default: 32768 minimum: 301
[ 0.017037] Security Framework initialized
[ 0.019004] SELinux: Initializing.
[ 0.022076] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.026231] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.032090] Mount-cache hash table entries: 256
[ 0.035127] Initializing cgroup subsys cpuacct
[ 0.037003] Initializing cgroup subsys freezer
[ 0.041103] CPU: Physical Processor ID: 0
[ 0.043003] CPU: Processor Core ID: 0
[ 0.046004] mce: CPU supports 2 MCE banks
[ 0.049023] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512
[ 0.049023] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512
[ 0.049023] tlb_flushall_shift: 5
[ 0.059141] Freeing SMP alternatives: 24k freed
[ 0.066206] ACPI: Core revision 20130117
[ 0.073794] ACPI: All ACPI Tables successfully acquired
[ 0.077280] Switched APIC routing to physical flat.
[ 0.083403] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
[ 0.097551] smpboot: CPU0: AMD FX(tm)-8150 Eight-Core Processor (fam: 15, model: 01, stepping: 02)
[ 0.103014] installing Xen timer for CPU 0
[ 0.106078] cpu 0 spinlock event irq 70
[ 0.107023] Performance Events:
[ 0.108005] ------------[ cut here ]------------
[ 0.109008] WARNING: at /home/konrad/linux/arch/x86/kernel/cpu/perf_event_amd.c:772 amd_pmu_init+0x191/0x24b()
[ 0.110010] Hardware name: HVM domU
[ 0.111005] Odd, counter constraints enabled but no core perfctrs detected!
[ 0.112005] Modules linked in:
[ 0.113186] Pid: 1, comm: swapper/0 Not tainted 3.8.0upstream-06472-g6661875-dirty #1
[ 0.114004] Call Trace:
[ 0.115010] [<ffffffff8109228a>] warn_slowpath_common+0x7a/0xb0
[ 0.116007] [<ffffffff81ac65fa>] ? check_bugs+0x2d/0x2d
[ 0.117007] [<ffffffff81092361>] warn_slowpath_fmt+0x41/0x50
[ 0.118005] [<ffffffff81ac6bc3>] amd_pmu_init+0x191/0x24b
[ 0.119005] [<ffffffff81ac6639>] init_hw_perf_events+0x3f/0x438
[ 0.120006] [<ffffffff81ac1bb4>] ? set_real_mode_permissions+0x9d/0xab
[ 0.121015] [<ffffffff81ac65fa>] ? check_bugs+0x2d/0x2d
[ 0.122007] [<ffffffff8100203d>] do_one_initcall+0x3d/0x170
[ 0.123008] [<ffffffff81abc960>] kernel_init_freeable+0xb1/0x1e6
[ 0.124008] [<ffffffff81653140>] ? rest_init+0xa0/0xa0
[ 0.125013] [<ffffffff81653149>] kernel_init+0x9/0xf0
[ 0.126008] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 0.127013] [<ffffffff81653140>] ? rest_init+0xa0/0xa0
[ 0.128010] ---[ end trace 42ab141fb39a85a5 ]---
[ 0.129011] Broken PMU hardware detected, using software events only.
[ 0.130007] Failed to access perfctr msr (MSR c0010004 is 0)
[ 0.131193] MCE: In-kernel MCE decoding enabled.
[ 0.132131] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.133081] cpu 1 spinlock event irq 71
[ 0.134049] smpboot: Booting Node 0, Processors #1[ 0.008000] installing Xen timer for CPU 1
[ 0.205154] Brought up 2 CPUs
[ 0.205156] smpboot: Total of 2 processors activated (16021.74 BogoMIPS)
[ 28.134000] BUG: soft lockup - CPU#0 stuck for 23s! [migration/0:8]
[ 28.134000] Modules linked in:
[ 28.134000] CPU 0
[ 28.134000] Pid: 8, comm: migration/0 Tainted: G W 3.8.0upstream-06472-g6661875-dirty #1 Xen HVM domU
[ 28.134000] RIP: 0010:[<ffffffff8110711b>] [<ffffffff8110711b>] stop_machine_cpu_stop+0x7b/0xf0
[ 28.134000] RSP: 0000:ffff880039a4dd38 EFLAGS: 00000293
[ 28.134000] RAX: 0000000000000001 RBX: ffffffff810c14c7 RCX: 0000000000000000
[ 28.134000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff880039a37de8
[ 28.134000] RBP: ffff880039a4dd68 R08: 0000000000000000 R09: 0000000000000001
[ 28.134000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880039a4c000
[ 28.134000] R13: 0000000000000000 R14: ffffffff810cac35 R15: ffff880039a4dcb8
[ 28.134000] FS: 0000000000000000(0000) GS:ffff880039e00000(0000) knlGS:0000000000000000
[ 28.134000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 28.134000] CR2: ffff880001cb7000 CR3: 0000000001a0c000 CR4: 00000000000406f0
[ 28.134000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.134000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 28.134000] Process migration/0 (pid: 8, threadinfo ffff880039a4c000, task ffff880039a2b000)
[ 28.134000] Stack:
[ 28.134000] ffff880039a4dd98 ffff880039a37d58 ffff880039a4c000 ffffffff811070a0
[ 28.134000] ffff880039a37de8 ffff880039e0e5e0 ffff880039a4de48 ffffffff81106df3
[ 28.134000] ffff880039a4dda8 ffff880039a4dfd8 ffff880039e0e5e8 ffff880039a4c000
[ 28.134000] Call Trace:
[ 28.134000] [<ffffffff811070a0>] ? stop_one_cpu_nowait+0x30/0x30
[ 28.134000] [<ffffffff81106df3>] cpu_stopper_thread+0xb3/0x160
[ 28.134000] [<ffffffff81668b11>] ? __schedule+0x3d1/0x7e0
[ 28.134000] [<ffffffff81080069>] ? default_spin_lock_flags+0x9/0x10
[ 28.134000] [<ffffffff810c0127>] smpboot_thread_fn+0x157/0x1e0
[ 28.134000] [<ffffffff810bffd0>] ? smpboot_create_threads+0x80/0x80
[ 28.134000] [<ffffffff810b7446>] kthread+0xc6/0xd0
[ 28.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 28.134000] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 28.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 28.134000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66
[ 56.134000] BUG: soft lockup - CPU#0 stuck for 23s! [migration/0:8]
[ 56.134000] Modules linked in:
[ 56.134000] CPU 0
[ 56.134000] Pid: 8, comm: migration/0 Tainted: G W 3.8.0upstream-06472-g6661875-dirty #1 Xen HVM domU
[ 56.134000] RIP: 0010:[<ffffffff8110711b>] [<ffffffff8110711b>] stop_machine_cpu_stop+0x7b/0xf0
[ 56.134000] RSP: 0000:ffff880039a4dd38 EFLAGS: 00000293
[ 56.134000] RAX: 0000000000000001 RBX: ffffffff810c14c7 RCX: 0000000000000000
[ 56.134000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff880039a37de8
[ 56.134000] RBP: ffff880039a4dd68 R08: 0000000000000000 R09: 0000000000000001
[ 56.134000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880039a4c000
[ 56.134000] R13: 0000000000000000 R14: ffffffff810cac35 R15: ffff880039a4dcb8
[ 56.134000] FS: 0000000000000000(0000) GS:ffff880039e00000(0000) knlGS:0000000000000000
[ 56.134000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 56.134000] CR2: ffff880001cb7000 CR3: 0000000001a0c000 CR4: 00000000000406f0
[ 56.134000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.134000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 56.134000] Process migration/0 (pid: 8, threadinfo ffff880039a4c000, task ffff880039a2b000)
[ 56.134000] Stack:
[ 56.134000] ffff880039a4dd98 ffff880039a37d58 ffff880039a4c000 ffffffff811070a0
[ 56.134000] ffff880039a37de8 ffff880039e0e5e0 ffff880039a4de48 ffffffff81106df3
[ 56.134000] ffff880039a4dda8 ffff880039a4dfd8 ffff880039e0e5e8 ffff880039a4c000
[ 56.134000] Call Trace:
[ 56.134000] [<ffffffff811070a0>] ? stop_one_cpu_nowait+0x30/0x30
[ 56.134000] [<ffffffff81106df3>] cpu_stopper_thread+0xb3/0x160
[ 56.134000] [<ffffffff81668b11>] ? __schedule+0x3d1/0x7e0
[ 56.134000] [<ffffffff81080069>] ? default_spin_lock_flags+0x9/0x10
[ 56.134000] [<ffffffff810c0127>] smpboot_thread_fn+0x157/0x1e0
[ 56.134000] [<ffffffff810bffd0>] ? smpboot_create_threads+0x80/0x80
[ 56.134000] [<ffffffff810b7446>] kthread+0xc6/0xd0
[ 56.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 56.134000] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 56.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 56.134000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66
[ 84.134000] BUG: soft lockup - CPU#0 stuck for 22s! [migration/0:8]
[ 84.134000] Modules linked in:
[ 84.134000] CPU 0
[ 84.134000] Pid: 8, comm: migration/0 Tainted: G W 3.8.0upstream-06472-g6661875-dirty #1 Xen HVM domU
[ 84.134000] RIP: 0010:[<ffffffff8110711b>] [<ffffffff8110711b>] stop_machine_cpu_stop+0x7b/0xf0
[ 84.134000] RSP: 0000:ffff880039a4dd38 EFLAGS: 00000293
[ 84.134000] RAX: 0000000000000001 RBX: ffffffff810c14c7 RCX: 0000000000000000
[ 84.134000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff880039a37de8
[ 84.134000] RBP: ffff880039a4dd68 R08: 0000000000000000 R09: 0000000000000001
[ 84.134000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880039a4c000
[ 84.134000] R13: 0000000000000000 R14: ffffffff810cac35 R15: ffff880039a4dcb8
[ 84.134000] FS: 0000000000000000(0000) GS:ffff880039e00000(0000) knlGS:0000000000000000
[ 84.134000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 84.134000] CR2: ffff880001cb7000 CR3: 0000000001a0c000 CR4: 00000000000406f0
[ 84.134000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 84.134000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 84.134000] Process migration/0 (pid: 8, threadinfo ffff880039a4c000, task ffff880039a2b000)
[ 84.134000] Stack:
[ 84.134000] ffff880039a4dd98 ffff880039a37d58 ffff880039a4c000 ffffffff811070a0
[ 84.134000] ffff880039a37de8 ffff880039e0e5e0 ffff880039a4de48 ffffffff81106df3
[ 84.134000] ffff880039a4dda8 ffff880039a4dfd8 ffff880039e0e5e8 ffff880039a4c000
[ 84.134000] Call Trace:
[ 84.134000] [<ffffffff811070a0>] ? stop_one_cpu_nowait+0x30/0x30
[ 84.134000] [<ffffffff81106df3>] cpu_stopper_thread+0xb3/0x160
[ 84.134000] [<ffffffff81668b11>] ? __schedule+0x3d1/0x7e0
[ 84.134000] [<ffffffff81080069>] ? default_spin_lock_flags+0x9/0x10
[ 84.134000] [<ffffffff810c0127>] smpboot_thread_fn+0x157/0x1e0
[ 84.134000] [<ffffffff810bffd0>] ? smpboot_create_threads+0x80/0x80
[ 84.134000] [<ffffffff810b7446>] kthread+0xc6/0xd0
[ 84.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 84.134000] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 84.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 84.134000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66
[ 112.134000] BUG: soft lockup - CPU#0 stuck for 22s! [migration/0:8]
[ 112.134000] Modules linked in:
[ 112.134000] CPU 0
[ 112.134000] Pid: 8, comm: migration/0 Tainted: G W 3.8.0upstream-06472-g6661875-dirty #1 Xen HVM domU
[ 112.134000] RIP: 0010:[<ffffffff8110711b>] [<ffffffff8110711b>] stop_machine_cpu_stop+0x7b/0xf0
[ 112.134000] RSP: 0000:ffff880039a4dd38 EFLAGS: 00000293
[ 112.134000] RAX: 0000000000000001 RBX: ffffffff810c14c7 RCX: 0000000000000000
[ 112.134000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff880039a37de8
[ 112.134000] RBP: ffff880039a4dd68 R08: 0000000000000000 R09: 0000000000000001
[ 112.134000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880039a4c000
[ 112.134000] R13: 0000000000000000 R14: ffffffff810cac35 R15: ffff880039a4dcb8
[ 112.134000] FS: 0000000000000000(0000) GS:ffff880039e00000(0000) knlGS:0000000000000000
[ 112.134000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 112.134000] CR2: ffff880001cb7000 CR3: 0000000001a0c000 CR4: 00000000000406f0
[ 112.134000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 112.134000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 112.134000] Process migration/0 (pid: 8, threadinfo ffff880039a4c000, task ffff880039a2b000)
[ 112.134000] Stack:
[ 112.134000] ffff880039a4dd98 ffff880039a37d58 ffff880039a4c000 ffffffff811070a0
[ 112.134000] ffff880039a37de8 ffff880039e0e5e0 ffff880039a4de48 ffffffff81106df3
[ 112.134000] ffff880039a4dda8 ffff880039a4dfd8 ffff880039e0e5e8 ffff880039a4c000
[ 112.134000] Call Trace:
[ 112.134000] [<ffffffff811070a0>] ? stop_one_cpu_nowait+0x30/0x30
[ 112.134000] [<ffffffff81106df3>] cpu_stopper_thread+0xb3/0x160
[ 112.134000] [<ffffffff81668b11>] ? __schedule+0x3d1/0x7e0
[ 112.134000] [<ffffffff81080069>] ? default_spin_lock_flags+0x9/0x10
[ 112.134000] [<ffffffff810c0127>] smpboot_thread_fn+0x157/0x1e0
[ 112.134000] [<ffffffff810bffd0>] ? smpboot_create_threads+0x80/0x80
[ 112.134000] [<ffffffff810b7446>] kthread+0xc6/0xd0
[ 112.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 112.134000] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 112.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 112.134000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66
[ 140.134000] BUG: soft lockup - CPU#0 stuck for 22s! [migration/0:8]
[ 140.134000] Modules linked in:
[ 140.134000] CPU 0
[ 140.134000] Pid: 8, comm: migration/0 Tainted: G W 3.8.0upstream-06472-g6661875-dirty #1 Xen HVM domU
[ 140.134000] RIP: 0010:[<ffffffff8110711b>] [<ffffffff8110711b>] stop_machine_cpu_stop+0x7b/0xf0
[ 140.134000] RSP: 0000:ffff880039a4dd38 EFLAGS: 00000293
[ 140.134000] RAX: 0000000000000001 RBX: ffffffff810c14c7 RCX: 0000000000000000
[ 140.134000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff880039a37de8
[ 140.134000] RBP: ffff880039a4dd68 R08: 0000000000000000 R09: 0000000000000001
[ 140.134000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880039a4c000
[ 140.134000] R13: 0000000000000000 R14: ffffffff810cac35 R15: ffff880039a4dcb8
[ 140.134000] FS: 0000000000000000(0000) GS:ffff880039e00000(0000) knlGS:0000000000000000
[ 140.134000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 140.134000] CR2: ffff880001cb7000 CR3: 0000000001a0c000 CR4: 00000000000406f0
[ 140.134000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 140.134000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 140.134000] Process migration/0 (pid: 8, threadinfo ffff880039a4c000, task ffff880039a2b000)
[ 140.134000] Stack:
[ 140.134000] ffff880039a4dd98 ffff880039a37d58 ffff880039a4c000 ffffffff811070a0
[ 140.134000] ffff880039a37de8 ffff880039e0e5e0 ffff880039a4de48 ffffffff81106df3
[ 140.134000] ffff880039a4dda8 ffff880039a4dfd8 ffff880039e0e5e8 ffff880039a4c000
[ 140.134000] Call Trace:
[ 140.134000] [<ffffffff811070a0>] ? stop_one_cpu_nowait+0x30/0x30
[ 140.134000] [<ffffffff81106df3>] cpu_stopper_thread+0xb3/0x160
[ 140.134000] [<ffffffff81668b11>] ? __schedule+0x3d1/0x7e0
[ 140.134000] [<ffffffff81080069>] ? default_spin_lock_flags+0x9/0x10
[ 140.134000] [<ffffffff810c0127>] smpboot_thread_fn+0x157/0x1e0
[ 140.134000] [<ffffffff810bffd0>] ? smpboot_create_threads+0x80/0x80
[ 140.134000] [<ffffffff810b7446>] kthread+0xc6/0xd0
[ 140.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 140.134000] [<ffffffff81671ebc>] ret_from_fork+0x7c/0xb0
[ 140.134000] [<ffffffff810b7380>] ? kthread_freezable_should_stop+0x80/0x80
[ 140.134000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66
if I revert the above mention git commit it boots just fine:
Loading vmlinuz........................................................................
Loading initramf.gz....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.8.0upstream-06474-g23618fa (konrad@xxxxxxxxxxxxxxxxxxx) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Fri Feb 22 20:11:27 EST 2013
[ 0.000000] Command line: initrd=initramf.gz console=ttyS0,115200 test=netstatic nofb acpi_sleep=tss sleep BOOT_IMAGE=vmlinuz
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003f7fffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] Hypervisor detected: Xen HVM
[ 0.000000] Xen version 4.2.
[ 0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs.
[ 0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks.
[ 0.000000] You might have to change the root device
[ 0.000000] from /dev/hd[a-d] to /dev/xvd[a-d]
[ 0.000000] in your root= kernel command line option
[ 0.000000] No AGP bridge found
[ 0.000000] e820: last_pfn = 0x3f800 max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] found SMP MP-table at [mem 0x000fbba0-0x000fbbaf] mapped at [ffff8800000fbba0]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] init_memory_mapping: [mem 0x3a000000-0x3a1c9fff]
[ 0.000000] init_memory_mapping: [mem 0x38000000-0x39ffffff]
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x37ffffff]
[ 0.000000] init_memory_mapping: [mem 0x3a1ca000-0x3f7fffff]
[ 0.000000] RAMDISK: [mem 0x3a1ca000-0x3f7defff]
[ 0.000000] ACPI: RSDP 00000000000ea020 00024 (v02 Xen)
[ 0.000000] ACPI: XSDT 00000000fc010140 00054 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: FACP 00000000fc00fe00 000F4 (v04 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: DSDT 00000000fc004180 0BBF6 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] ACPI: FACS 00000000fc004140 00040
[ 0.000000] ACPI: APIC 00000000fc00ff00 000D8 (v02 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: HPET 00000000fc010050 00038 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: WAET 00000000fc010090 00028 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: SSDT 00000000fc0100c0 00031 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] ACPI: SSDT 00000000fc010100 00031 (v02 Xen HVM 00000000 INTL 20100528)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000003f7fffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x3f7fffff]
[ 0.000000] NODE_DATA [mem 0x3f7fc000-0x3f7fffff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009dfff]
[ 0.000000] node 0: [mem 0x00100000-0x3f7fffff]
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x08] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0a] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0e] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x12] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x14] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x16] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x18] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x1a] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x1c] disabled)
[ 0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-47
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 15 CPUs, 13 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
[ 0.000000] PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
[ 0.000000] e820: [mem 0x3f800000-0xfbffffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen HVM
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:15 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff880039e00000 s84928 r8192 d21568 u131072
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 256420
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: initrd=initramf.gz console=ttyS0,115200 test=netstatic nofb acpi_sleep=tss sleep BOOT_IMAGE=vmlinuz
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] __ex_table already sorted, skipping sort
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Memory: 922440k/1040384k available (6617k kernel code, 396k absent, 117548k reserved, 4285k data, 1028k init)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=15.
[ 0.000000] NR_IRQS:33024 nr_irqs:1208 16
[ 0.000000] Xen HVM callback vector for event delivery is enabled
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] tsc: Detected 3901.188 MHz processor
[ 0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
[ 0.008000] Calibrating delay loop (skipped), value calculated using timer frequency.. 7802.37 BogoMIPS (lpj=3901188)
[ 0.014004] pid_max: default: 32768 minimum: 301
[ 0.017038] Security Framework initialized
[ 0.019003] SELinux: Initializing.
[ 0.022097] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.028113] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.033110] Mount-cache hash table entries: 256
[ 0.036144] Initializing cgroup subsys cpuacct
[ 0.039004] Initializing cgroup subsys freezer
[ 0.042101] CPU: Physical Processor ID: 0
[ 0.045004] CPU: Processor Core ID: 0
[ 0.047005] mce: CPU supports 2 MCE banks
[ 0.049025] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512
[ 0.049025] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512
[ 0.049025] tlb_flushall_shift: 5
[ 0.060140] Freeing SMP alternatives: 24k freed
[ 0.067402] ACPI: Core revision 20130117
[ 0.075448] ACPI: All ACPI Tables successfully acquired
[ 0.079303] Switched APIC routing to physical flat.
[ 0.086337] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
[ 0.100652] smpboot: CPU0: AMD FX(tm)-8150 Eight-Core Processor (fam: 15, model: 01, stepping: 02)
[ 0.107016] installing Xen timer for CPU 0
[ 0.109084] cpu 0 spinlock event irq 70
[ 0.110026] Performance Events:
[ 0.111005] ------------[ cut here ]------------
[ 0.112008] WARNING: at /home/konrad/linux/arch/x86/kernel/cpu/perf_event_amd.c:772 amd_pmu_init+0x191/0x24b()
[ 0.113010] Hardware name: HVM domU
[ 0.114005] Odd, counter constraints enabled but no core perfctrs detected!
[ 0.115007] Modules linked in:
[ 0.116190] Pid: 1, comm: swapper/0 Not tainted 3.8.0upstream-06474-g23618fa #1
[ 0.117005] Call Trace:
[ 0.118011] [<ffffffff8109228a>] warn_slowpath_common+0x7a/0xb0
[ 0.119007] [<ffffffff81ac65fa>] ? check_bugs+0x2d/0x2d
[ 0.120014] [<ffffffff81092361>] warn_slowpath_fmt+0x41/0x50
[ 0.121010] [<ffffffff81ac6bc3>] amd_pmu_init+0x191/0x24b
[ 0.122008] [<ffffffff81ac6639>] init_hw_perf_events+0x3f/0x438
[ 0.123008] [<ffffffff81ac1bb4>] ? set_real_mode_permissions+0x9d/0xab
[ 0.124011] [<ffffffff81ac65fa>] ? check_bugs+0x2d/0x2d
[ 0.125010] [<ffffffff8100203d>] do_one_initcall+0x3d/0x170
[ 0.126011] [<ffffffff81abc960>] kernel_init_freeable+0xb1/0x1e6
[ 0.127009] [<ffffffff81653040>] ? rest_init+0xa0/0xa0
[ 0.128008] [<ffffffff81653049>] kernel_init+0x9/0xf0
[ 0.129008] [<ffffffff81671fbc>] ret_from_fork+0x7c/0xb0
[ 0.130008] [<ffffffff81653040>] ? rest_init+0xa0/0xa0
[ 0.131009] ---[ end trace 7957b7a5e5b198bd ]---
[ 0.132012] Broken PMU hardware detected, using software events only.
[ 0.133009] Failed to access perfctr msr (MSR c0010004 is 0)
[ 0.134179] MCE: In-kernel MCE decoding enabled.
[ 0.135132] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.136107] cpu 1 spinlock event irq 71
[ 0.137063] smpboot: Booting Node 0, Processors #1[ 0.008000] installing Xen timer for CPU 1
[ 0.209200] Brought up 2 CPUs
[ 0.209202] smpboot: Total of 2 processors activated (16015.74 BogoMIPS)
[ 0.220139] kworker/u:0 (20) used greatest stack depth: 6168 bytes left
[ 0.220139] RTC time: 1:16:41, date: 02/23/13
[ 0.229069] NET: Registered protocol family 16
[ 0.230054] kworker/u:0 (22) used greatest stack depth: 5704 bytes left
[ 0.237060] ACPI: bus type pci registered
[ 0.240049] dca service started, version 1.12.1
[ 0.244256] PCI: Using configuration type 1 for base access
[ 0.247015] PCI: Using configuration type 1 for extended access
[ 0.264073] bio: create slab <bio-0> at 0
[ 0.265073] ACPI: Added _OSI(Module Device)
[ 0.268052] ACPI: Added _OSI(Processor Device)
[ 0.270007] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.273006] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.282063] ACPI: Interpreter enabled
[ 0.284007] ACPI: (supports S0ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20130117/hwxface-568)
[ 0.291009] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20130117/hwxface-568)
[ 0.298018] S3 S4 S5)
[ 0.299770] ACPI: Using IOAPIC for interrupt routing
[ 0.303054] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.358147] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.363225] acpi PNP0A03:00: ACPI _OSC support notification failed, disabling PCIe ASPM
[ 0.368006] acpi PNP0A03:00: Unable to request _OSC control (_OSC support mask: 0x08)
[ 0.374173] PCI host bridge to bus 0000:00
[ 0.377030] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.380007] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.384012] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
[ 0.389013] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.394008] pci_bus 0000:00: root bus resource [mem 0xf0000000-0xfbffffff]
[ 0.405302] * Found PM-Timer Bug on the chipset. Due to workarounds for a bug,
[ 0.405302] * this clock source is slow. Consider trying other clock sources
[ 0.415684] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 0.425458] ACPI _OSC control for PCIe not granted, disabling ASPM
[ 0.430254] ACPI: PCI Interrupt Link [LNKA] (IRQs *5 10 11)
[ 0.434187] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.438297] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.443247] ACPI: PCI Interrupt Link [LNKD] (IRQs *5 10 11)
[ 0.468107] ACPI: Enabled 2 GPEs in block 00 to 0F
[ 0.495342] ACPI: No dock devices found.
[ 0.498051] xen/balloon: Initialising balloon driver.
[ 0.503021] xen-balloon: Initialising balloon driver.
[ 0.507315] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.513020] vgaarb: loaded
[ 0.515008] vgaarb: bridge control possible 0000:00:02.0
[ 0.519043] ACPI: bus type usb registered
[ 0.521025] usbcore: registered new interface driver usbfs
[ 0.525050] usbcore: registered new interface driver hub
[ 0.529032] usbcore: registered new device driver usb
[ 0.532030] pps_core: LinuxPPS API ver. 1 registered
[ 0.535010] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
[ 0.541034] PTP clock support registered
[ 0.544021] PCI: Using ACPI for IRQ routing
[ 0.547504] NetLabel: Initializing
[ 0.550020] NetLabel: domain hash size = 128
[ 0.553005] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.556023] NetLabel: unlabeled traffic allowed by default
[ 0.560086] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 0.563850] hpet0: 3 comparators, 64-bit 62.500000 MHz counter
[ 0.570000] Switching to clocksource xen
[ 0.575292] pnp: PnP ACPI init
[ 0.577723] ACPI: bus type pnp registered
[ 0.580940] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
[ 0.586188] system 00:02: [io 0x08a0-0x08a3] has been reserved
[ 0.590258] system 00:02: [io 0x0cc0-0x0ccf] has been reserved
[ 0.594253] system 00:02: [io 0x04d0-0x04d1] has been reserved
[ 0.599358] system 00:0b: [io 0x10c0-0x1141] has been reserved
[ 0.603955] system 00:0b: [io 0xb044-0xb047] has been reserved
[ 0.628468] pnp: PnP ACPI: found 12 devices
[ 0.631442] ACPI: ACPI bus type pnp unregistered
[ 0.645562] NET: Registered protocol family 2
[ 0.649044] TCP established hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.654286] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.658984] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.663716] TCP: reno registered
[ 0.666075] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.670360] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.675037] NET: Registered protocol family 1
[ 0.678309] RPC: Registered named UNIX socket transport module.
[ 0.682174] RPC: Registered udp transport module.
[ 0.687129] RPC: Registered tcp transport module.
[ 0.691254] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.696034] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.699773] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.703675] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.708489] Unpacking initramfs...
[ 2.141533] Freeing initrd memory: 88148k freed
[ 2.164129] Machine check injector initialized
[ 2.168316] microcode: CPU0: patch_level=0x06000626
[ 2.172993] microcode: CPU1: patch_level=0x06000626
[ 2.176728] microcode: Microcode Update Driver: v2.00 <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
[ 2.182905] Scanning for low memory corruption every 60 seconds
[ 2.187817] audit: initializing netlink socket (disabled)
[ 2.191843] type=2000 audit(1361582202.962:1): initialized
[ 2.207210] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 2.211912] VFS: Disk quotas dquot_6.5.2
[ 2.214690] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 2.219888] NFS: Registering the id_resolver key type
[ 2.223132] Key type id_resolver registered
[ 2.225832] Key type id_legacy registered
[ 2.228426] NTFS driver 2.1.30 [Flags: R/W].
[ 2.231310] msgmni has been set to 1973
[ 2.234951] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 2.240338] io scheduler noop registered
[ 2.243302] io scheduler deadline registered
[ 2.246944] io scheduler cfq registered (default)
[ 2.250838] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 2.254918] cirrusfb 0000:00:02.0: Cirrus Logic chipset on PCI bus, RAM (4096 kB) at 0xf0000000
[ 2.260761] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 2.265458] ACPI: Power Button [PWRF]
[ 2.267894] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 2.272527] ACPI: Sleep Button [SLPF]
[ 2.299201] GHES: HEST is not enabled!
[ 2.301887] ioatdma: Intel(R) QuickData Technology Driver 4.00
[ 2.306244] Grant tables using version 1 layout.
[ 2.309719] Grant table initialized
[ 2.350043] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 2.384350] 00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 2.389781] Non-volatile memory driver v1.3
[ 2.392982] Linux agpgart interface v0.103
[ 2.396500] [drm] Initialized drm 1.1.0 20060810
[ 2.401266] loop: module loaded
[ 2.404010] libphy: Fixed MDIO Bus: probed
[ 2.406982] tun: Universal TUN/TAP device driver, 1.6
[ 2.410646] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
[ 2.415328] ixgbevf: Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver - version 2.7.12-k
[ 2.421802] ixgbevf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 2.426813] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.431520] ehci-pci: EHCI PCI platform driver
[ 2.434881] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 2.438958] uhci_hcd: USB Universal Host Controller Interface driver
[ 2.443235] uhci_hcd 0000:00:01.2: UHCI Host Controller
[ 2.446671] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1
[ 2.451329] uhci_hcd 0000:00:01.2: detected 2 ports
[ 2.454517] uhci_hcd 0000:00:01.2: irq 23, io base 0x0000c200
[ 2.459396] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
[ 2.464574] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.469834] usb usb1: Product: UHCI Host Controller
[ 2.473420] usb usb1: Manufacturer: Linux 3.8.0upstream-06474-g23618fa uhci_hcd
[ 2.478471] usb usb1: SerialNumber: 0000:00:01.2
[ 2.482206] hub 1-0:1.0: USB hub found
[ 2.484834] hub 1-0:1.0: 2 ports detected
[ 2.488090] usbcore: registered new interface driver usblp
[ 2.492447] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
[ 2.500167] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 2.503714] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 2.507763] mousedev: PS/2 mouse device common for all mice
[ 2.512933] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[ 2.524976] rtc_cmos 00:04: rtc core: registered rtc_cmos as rtc0
[ 2.529542] rtc_cmos 00:04: alarms up to one day, 114 bytes nvram, hpet irqs
[ 2.534889] cpuidle: using governor ladder
[ 2.537830] cpuidle: using governor menu
[ 2.540584] EFI Variables Facility v0.08 2004-May-17
[ 2.544414] zram: Created 1 device(s) ...
[ 2.547839] Netfilter messages via NETLINK v0.30.
[ 2.551376] nf_conntrack version 0.5.0 (7895 buckets, 31580 max)
[ 2.555360] ctnetlink v0.93: registering with nfnetlink.
[ 2.558943] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2.562389] TCP: cubic registered
[ 2.564542] Initializing XFRM netlink socket
[ 2.567367] NET: Registered protocol family 10
[ 2.570381] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 2.575240] sit: IPv6 over IPv4 tunneling driver
[ 2.578803] NET: Registered protocol family 17
[ 2.582316] Key type dns_resolver registered
[ 2.585987] registered taskstats version 1
[ 2.589437] XENBUS: Device with no driver: device/vbd/5632
[ 2.593412] XENBUS: Device with no driver: device/vbd/51712
[ 2.597376] XENBUS: Device with no driver: device/vkbd/0
[ 2.601142] XENBUS: Device with no driver: device/vif/0
[ 2.606914] Magic number: 1:525:256
[ 2.610031] tty ttytf: hash matches
[ 2.614105] Freeing unused kernel memory: 1028k freed
[ 2.617578] Write protecting the kernel read-only data: 10240k
[ 2.624349] Freeing unused kernel memory: 1564k freed
[ 2.628174] Freeing unused kernel memory: 124k freed
init started: BusyBox v1.14.3 (2013-02-22 20:12:24 EST)
[ 2.637307] consoletype (1105) used greatest stack depth: 5272 bytes left
Mounting directories [ OK ]
mount: mount point /proc/bus/usb does not exist
[ 2.803957] modprobe (1135) used greatest stack depth: 5256 bytes left
mount: mount point /sys/kernel/config does not exist
[ 2.815744] core_filesystem (1106) used greatest stack depth: 4968 bytes left
[ 2.824824] input: Xen Virtual Keyboard as /devices/virtual/input/input3
[ 2.830810] input: Xen Virtual Pointer as /devices/virtual/input/input4
FATAL: Error inserting xen_fbfront (/lib/modules/3.8.0upstream-06474-g23618fa/kernel/drivers/video/xen-fbfront.ko): No such device
[ 2.952663] Initialising Xen virtual ethernet driver.
[ 3.058902] vbd vbd-5632: 19 xenbus_dev_probe on device/vbd/5632
[ 3.063787] vbd vbd-5632: failed to write error node for device/vbd/5632 (19 xenbus_dev_probe on device/vbd/5632)
[ 3.078892] blkfront: xvda: barrier or flush: disabled using persistent grants
[ 3.086048] xvda: unknown partition table
[ 3.130560] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input5
[ 3.179037] udevd (1177): /proc/1177/oom_adj is deprecated, please use /proc/1177/oom_score_adj instead.
udevd-work[1460]: error opening ATTR{/sys/devices/system/cpu/cpu0/online} for writing: No such file or directory
Waiting for devices [ OK ]
[ 3.242701] SCSI subsystem initialized
[ 3.280922] ACPI: bus type scsi registered
[ 3.291177] ip (2088) used greatest stack depth: 3928 bytes left
[ 3.298854] libata version 3.00 loaded.
[ 3.303746] ata_piix 0000:00:01.1: version 2.13
[ 3.307420] ata_piix 0000:00:01.1: setting latency timer to 64
[ 3.315495] scsi0 : ata_piix
[ 3.318138] scsi1 : ata_piix
[ 3.320673] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc220 irq 14
[ 3.325880] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc228 irq 15
[ 3.484370] ata2.01: NODEV after polling detection
[ 3.489426] ata2.00: ATAPI: QEMU DVD-ROM, 0.10.2, max UDMA/100
[ 3.495340] ata2.00: configured for MWDMA2
[ 3.500231] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 0.10 PQ: 0 ANSI: 5
[ 3.511465] sr0: scsi3-mmc drive: 4x/4x xa/form2 tray
[ 3.516801] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 3.522597] sr 1:0:0:0: Attached scsi CD-ROM sr0
[ 3.528965] sr 1:0:0:0: Attached scsi generic sg0 type 5
[ 3.704201] usb usb1: suspend_rh (auto-stop)
Waiting for fb [ OK ]
Waiting for network [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: poRTNETLINK answers: Network is unreachable
[ OK ]
wWaiting for init.custom [ OK ]
Starting SSHd ...
eroff
SSH started [2385]
Waiting for SSHd [ OK ]
WARNING: ssh currently running [2385] ignoring start request
FATAL: Module dump_dma not found.
ERROR: Module dump_dma does not exist in /proc/modules
[ 9.388889] Loading iSCSI transport class v2.0-870.
[ 9.394686] iscsi: registered transport (tcp)
hostname: Name or service not known
iscsistart: transport class version 2.0-870. iscsid version 2.0-872
Could not get list of targets from firmware.
Feb 23 01:16:50 (none) syslogd 1.5.0: restart.
Running in HVM context on Xen v4.2.
You might have to do kill -1 1 if you see 'can't open /dev/hvc0'
[1:0:0:0] cd/dvd QEMU QEMU DVD-ROM 0.10 /dev/sr0
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:01.2 USB Controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 01)
00:02.0 VGA compatible controller: Cirrus Logic GD 5446
00:03.0 Class ff80: XenSource, Inc. Xen Platform Device (rev 01)
CPU0 CPU1
0: 109 0 IO-APIC-edge timer
1: 9 0 xen-pirq-ioapic-edge i8042
4: 201 0 xen-pirq-ioapic-edge serial
8: 59 0 xen-pirq-ioapic-edge rtc0
9: 0 0 IO-APIC-fasteoi acpi
12: 125 0 xen-pirq-ioapic-edge i8042
14: 0 0 IO-APIC-edge ata_piix
15: 96 0 IO-APIC-edge ata_piix
23: 0 0 xen-pirq-ioapic-level uhci_hcd:usb1
64: 3128 0 xen-percpu-virq timer0
65: 2815 0 xen-percpu-ipi resched0
66: 0 0 xen-percpu-ipi callfunc0
67: 0 0 xen-percpu-virq debug0
68: 214 0 xen-percpu-ipi callfuncsingle0
69: 0 0 xen-percpu-ipi irqwork0
70: 0 0 xen-percpu-ipi spinlock0
71: 0 0 xen-percpu-ipi spinlock1
72: 0 3338 xen-percpu-ipi resched1
73: 0 0 xen-percpu-ipi callfunc1
74: 0 0 xen-percpu-virq debug1
75: 0 243 xen-percpu-ipi callfuncsingle1
76: 0 0 xen-percpu-ipi irqwork1
77: 0 1802 xen-percpu-virq timer1
78: 344 0 xen-dyn-event xenbus
80: 0 0 xen-dyn-event vkbd
81: 14 0 xen-dyn-event eth0
82: 2 0 xen-dyn-event blkif
NMI: 0 0 Non-maskable interrupts
LOC: 0 0 Local timer interrupts
SPU: 0 0 Spurious interrupts
PMI: 0 0 Performance monitoring interrupts
IWI: 0 0 IRQ work interrupts
RTR: 0 0 APIC ICR read retries
RES: 2815 3338 Rescheduling interrupts
CAL: 131 150 Function call interrupts
TLB: 83 93 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
MCE: 0 0 Machine check exceptions
MCP: 1 1 Machine check polls
ERR: 0
MIS: 0
00000000-00000fff : reserved
00001000-0009dfff : System RAM
0009e000-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000c8bff : Video ROM
000c9000-000c99ff : Adapter ROM
000e0000-000fffff : reserved
000f0000-000fffff : System ROM
00100000-3f7fffff : System RAM
01000000-01676677 : Kernel code
01676678-01aa5dbf : Kernel data
01baf000-01cb4fff : Kernel bss
3f800000-3fffffff : RAM buffer
f0000000-fbffffff : PCI Bus 0000:00
f0000000-f1ffffff : 0000:00:02.0
f0000000-f1ffffff : cirrusfb
f2000000-f2ffffff : 0000:00:03.0
f2000000-f2ffffff : xen-platform-pci
f3000000-f3000fff : 0000:00:02.0
f3000000-f3000fff : cirrusfb
fc000000-ffffffff : reserved
fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fee00000-fee00fff : Local APIC
MemTotal: 1013328 kB
MemFree: 624868 kB
Buffers: 0 kB
Cached: 350448 kB
SwapCached: 0 kB
Active: 15968 kB
Inactive: 334816 kB
Active(anon): 10204 kB
Inactive(anon): 163096 kB
Active(file): 5764 kB
Inactive(file): 171720 kB
Unevictable: 4896 kB
Mlocked: 4896 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 5180 kB
Mapped: 4948 kB
Shmem: 169428 kB
Slab: 22776 kB
SReclaimable: 11768 kB
SUnreclaim: 11008 kB
KernelStack: 648 kB
PageTables: 868 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 506664 kB
Committed_AS: 181212 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 6324 kB
VmallocChunk: 34359731835 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 32768 kB
DirectMap2M: 1009664 kB
Waiting for init.late [ OK ]
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