Re: [BISECTED][REGRESSION] Kernel does not boot on EeePC

From: Sitsofe Wheeler
Date: Wed Jun 11 2014 - 02:16:42 EST

On Mon, Jun 09, 2014 at 12:26:16PM +0200, Igor Mammedov wrote:
> On Sun, 8 Jun 2014 10:02:23 +0100
> Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote:
>
> > The latest kernel (c593e8978722f7f4a12932733cfeed6c0c74fbaa) refuses to
> > boot on my EeePC - after grub is finished the screen just remains black
> > and the only thing that does something is pressing the power button. The
> > problem commit seems to be:
> I'm sorry for introducing mess, I don't have EeePC to test this on.
> Could you help to track problem on it?
> Is there any output if you boot affected kernel with
> "earlyprintk=vga ignore_loglevel" options?

It basically gives up just before Initializing CPU#0. The following is
an approximation of the boot messages that I see on the screen (the
early ones are gone before I can eyeball them so this is a blend of a
previous dmesg and what I see on the screen during a failure):

[ 0.000000] Linux version 3.15.0-0001-gd37cf73 (swheeler@eject) (gcc version 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC) ) #52 Sun Jun 8 22:43:01 BST 2014
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] Disabled fast string operations
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e4000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003f77ffff] usable
[ 0.000000] BIOS-e820: [mem 0x000000003f780000-0x000000003f78ffff] ACPI data
[ 0.000000] BIOS-e820: [mem 0x000000003f790000-0x000000003f7cffff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000003f7d0000-0x000000003f7ddfff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000003f7e0000-0x000000003f7fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fff80000-0x00000000ffffffff] reserved
[ 0.000000] bootconsole [earlyvga0] enabled
[ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
[ 0.000000] SMBIOS 2.5 present.
[ 0.000000] DMI: ASUSTeK Computer INC. 900/900, BIOS 1006 03/03/2009
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x3f780 max_arch_pfn = 0x100000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-DFFFF uncachable
[ 0.000000] E0000-EFFFF write-through
[ 0.000000] F0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 000000000 mask FC0000000 write-back
[ 0.000000] 1 base 03F800000 mask FFF800000 uncachable
[ 0.000000] 2 disabled
[ 0.000000] 3 disabled
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] initial memory mapped: [mem 0x00000000-0x00bfffff]
[ 0.000000] Base memory trampoline at [b009b000] 9b000 size 16384
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x3f000000-0x3f3fffff]
[ 0.000000] [mem 0x3f000000-0x3f3fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x38000000-0x3effffff]
[ 0.000000] [mem 0x38000000-0x3effffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x37ffffff]
[ 0.000000] [mem 0x00100000-0x003fffff] page 4k
[ 0.000000] [mem 0x00400000-0x37ffffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x3f400000-0x3f77ffff]
[ 0.000000] [mem 0x3f400000-0x3f77ffff] page 4k
[ 0.000000] BRK [0x00667000, 0x00667fff] PGTABLE
[ 0.000000] ACPI: RSDP 0x000FBE90 000014 (v00 ACPIAM)
[ 0.000000] ACPI: RSDT 0x3F780000 000034 (v01 A M I OEMRSDT 03000903 MSFT 00000097)
[ 0.000000] ACPI: FACP 0x3F780200 000081 (v01 A M I OEMFACP 03000903 MSFT 00000097)
[ 0.000000] ACPI: DSDT 0x3F780400 0060FD (v01 A0979 A0979036 00000036 INTL 20060113)
[ 0.000000] ACPI: FACS 0x3F790000 000040
[ 0.000000] ACPI: APIC 0x3F780390 000068 (v01 A M I OEMAPIC 03000903 MSFT 00000097)
[ 0.000000] ACPI: OEMB 0x3F790040 000046 (v01 A M I AMI_OEM 03000903 MSFT 00000097)
[ 0.000000] ACPI: MCFG 0x3F786500 00003C (v01 A M I OEMMCFG 03000903 MSFT 00000097)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] 1015MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 3f780000
[ 0.000000] low ram: 0 - 3f780000
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x00001000-0x3f77ffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009efff]
[ 0.000000] node 0: [mem 0x00100000-0x3f77ffff]
[ 0.000000] On node 0 totalpages: 259870
[ 0.000000] free_area_init_node: node 0, pgdat b05e48c4, node_mem_map eef90020
[ 0.000000] Normal zone: 2031 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 259870 pages, LIFO batch:31
[ 0.000000] Using APIC driver default
[ 0.000000] Reserving Intel graphics stolen memory at 0x3f800000-0x3fffffff
[ 0.000000] ACPI: PM-Timer IO Port: 0x808
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[ 0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
[ 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 9 global_irq 9 high level)
[ 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 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] nr_irqs_gsi: 40
[ 0.000000] e820: [mem 0x40000000-0xfedfffff] available for PCI devices
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 257839
[ 0.000000] Kernel command line: BOOT_IMAGE=/home/eeeuser/bzImage root=/dev/sdb2 ro rootfstype=ext4 usb_storage.delay_use=0 boot_delay=50 earlyprintk=vga ignore_loglevel
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

--
Sitsofe | http://sucs.org/~sits/
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