Re: Bug(?) in linux kernel EFI support

From: Tony Hoyle
Date: Thu Jun 18 2009 - 00:06:00 EST

On Jun 18, 3:58 am, Tony Hoyle <t...@xxxxxxxxxxxx> wrote:
> Hi,
>
> I'm building kernels on an embedded system which uses an odd version of
> EFI (elilo/egrub don't run for example, only its own shipped boot.efi
> that loads a raw vmlinux). I've been unable to get it to boot with any
> kernel > 2.6.24.7 - as in it doesn't start up far enough to get netconsole.
>
More info - this is the boot from a 'correct' build (the one just before the breaking commit.. lots of warnings but it does boot:

Tony

[ 0.000000] Linux version 2.6.24-19-lpia (root@sisko) (gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)) #36 SMP Thu Jun 18 03:42:56 UTC 2009
[ 0.000000] EFI: EFI v0.00 by American Megatrends
[ 0.000000] ACPI 2.0=0x1fa08f90
[ 0.000000] 506MB LOWMEM available.
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0 -> 4096
[ 0.000000] Normal 4096 -> 129776
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[1] active PFN ranges
[ 0.000000] 0: 0 -> 129776
[ 0.000000] DMI not present or invalid.
[ 0.000000] ACPI: RSDP 1FA08F90, 0024 (r2 ALASKA)
[ 0.000000] ACPI: XSDT 1FA07F10, 005C (r1 ALASKA CRNBEACH 6222004 MSFT 10013)
[ 0.000000] ACPI: FACP 1F9E0D90, 00F4 (r4 ALASKA CRNBEACH 6222004 MSFT 10013)
[ 0.000000] ACPI Warning (tbfadt-0442): Optional field "Pm2ControlBlock" has zero address or length: 00000000000009F4/0 [20070126]
[ 0.000000] ACPI: DSDT 1FA01010, 4112 (r1 ALASKA CRNBEACH 0 INTL 20051117)
[ 0.000000] ACPI: FACS 1FA0BD40, 0040
[ 0.000000] ACPI: APIC 1FA08E90, 005C (r2 ALASKA CRNBEACH 6222004 MSFT 10013)
[ 0.000000] ACPI: MCFG 1FA0FD10, 003C (r1 A M I OEMMCFG 6222004 MSFT 97)
[ 0.000000] ACPI: HPET 1FA0FC90, 0038 (r1 A M I OEMHPET 6222004 AMI. 3)
[ 0.000000] ACPI: SSDT 1F9FC510, 04CE (r2 PmRef CpuPm 3000 INTL 20051117)
[ 0.000000] ACPI: SSDT 1F9E2A10, 0232 (r2 PmRef Cpu0Tst 3000 INTL 20051117)
[ 0.000000] ACPI: SSDT 1FA0BA10, 00A0 (r2 PmRef Cpu1Tst 3000 INTL 20051117)
[ 0.000000] ACPI: no DMI BIOS year, acpi=force is required to enable ACPI
[ 0.000000] ACPI: acpi=force override
[ 0.000000] ACPI: PM-Timer IO Port: 0x908
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[ 0.000000] Processor #0 7:12 APIC version 20
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[ 0.000000] Processor #1 7:12 APIC version 20
[ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 2, 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] Enabling APIC mode: Flat. Using 1 I/O APICs
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] Allocating PCI resources starting at 10100000 (gap: 10000000:00400000)
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 128763
[ 0.000000] Kernel command line: acpi=force vga=0301 netconsole=6665@xxxxxxxxxxxxxx/eth0,6666@xxxxxxxxxxxxxx/00:50:56:3f:58:50 root=/dev/mmcblk0p2 rootdelay=2
[ 0.000000] Enabling fast FPU save and restore... done.
[ 0.000000] Enabling unmasked SIMD FPU exception support... done.
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 2048 (order: 11, 8192 bytes)
[ 0.000000] Detected 1330.055 MHz processor.
[ 0.004000] Console: colour dummy device 80x25
[ 0.004000] console [tty0] enabled
[ 0.004000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.004000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.004000] Memory: 508684k/519104k available (2775k kernel code, 9268k reserved, 1213k data, 256k init, 0k highmem)
[ 0.004000] virtual kernel memory layout:
[ 0.004000] fixmap : 0xfffb5000 - 0xfffff000 ( 296 kB)
[ 0.004000] vmalloc : 0xe0800000 - 0xfffb3000 ( 503 MB)
[ 0.004000] lowmem : 0xc0000000 - 0xdfaf0000 ( 506 MB)
[ 0.004000] .init : 0xc04ec000 - 0xc052c000 ( 256 kB)
[ 0.004000] .data : 0xc03b5d5d - 0xc04e5378 (1213 kB)
[ 0.004000] .text : 0xc0100000 - 0xc03b5d5d (2775 kB)
[ 0.004000] Checking if this processor honours the WP bit even in supervisor mode... Ok.
[ 0.004000] SLUB: Genslabs=11, HWalign=64, Order=0-1, MinObjects=4, CPUs=2, Nodes=1
[ 0.080008] Calibrating delay using timer specific routine.. 2662.40 BogoMIPS (lpj=5324808)
[ 0.080053] allocation failed: out of vmalloc space - use vmalloc=<size> to increase size.
[ 0.080069] EFI: ioremap of 0x1FB00000 failed
[ 0.081015] Mount-cache hash table entries: 512
[ 0.081235] monitor/mwait feature present.
[ 0.081247] using mwait in idle threads.
[ 0.081259] CPU: L1 I cache: 32K, L1 D cache: 24K
[ 0.081269] CPU: L2 cache: 512K
[ 0.081278] CPU: Physical Processor ID: 0
[ 0.081303] Compat vDSO mapped to ffffe000.
[ 0.081325] Checking 'hlt' instruction... OK.
[ 0.096483] SMP alternatives: switching to UP code
[ 0.097189] ACPI: Core revision 20070126
[ 0.103527] CPU0: Intel(R) Atom(TM) CPU Z520 @ 1.33GHz stepping 02
[ 0.103573] SMP alternatives: switching to SMP code
[ 0.104017] Booting processor 1/1 ip 3000
[ 0.004000] Initializing CPU#1
[ 0.004000] Calibrating delay using timer specific routine.. 2659.97 BogoMIPS (lpj=5319948)
[ 0.004000] monitor/mwait feature present.
[ 0.004000] CPU: L1 I cache: 32K, L1 D cache: 24K
[ 0.004000] CPU: L2 cache: 512K
[ 0.004000] CPU: Physical Processor ID: 0
[ 0.192321] CPU1: Intel(R) Atom(TM) CPU Z520 @ 1.33GHz stepping 02
[ 0.192413] Total of 2 processors activated (5322.37 BogoMIPS).
[ 0.192519] ENABLING IO-APIC IRQs
[ 0.192764] ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=0 pin2=0
[ 0.236014] checking TSC synchronization [CPU#0 -> CPU#1]: passed.
[ 0.236034] Brought up 2 CPUs
[ 0.004006] net_namespace: 164 bytes
[ 0.004006] Time: 1:38:44 Date: 01/01/05
[ 0.004006] NET: Registered protocol family 16
[ 0.004006] ACPI: bus type pci registered
[ 0.004006] PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
[ 0.004006] PCI: Not using MMCONFIG.
[ 0.089426] PCI: Using configuration type 1
[ 0.089437] Setting up standard PCI resources
[ 0.102218] ACPI: BIOS _OSI(Linux) query ignored
[ 0.102235] ACPI: [please extract dmidecode output]
[ 0.102246] ACPI: Please send DMI info above to linux-acpi@xxxxxxxxxxxxxxx
[ 0.102258] ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@xxxxxxxxxxxxxxx
[ 0.102934] ACPI: Interpreter enabled
[ 0.102946] ACPI: (supports S0 S3 S4 S5)
[ 0.102987] ACPI: Using IOAPIC for interrupt routing
[ 0.103730] ACPI: BIOS _OSI(Linux) query ignored
[ 0.103745] ACPI: [please extract dmidecode output]
[ 0.103755] ACPI: Please send DMI info above to linux-acpi@xxxxxxxxxxxxxxx
[ 0.103767] ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@xxxxxxxxxxxxxxx
[ 0.352195] ACPI: PCI Root Bridge [PCI0] (0000:00)
[ 0.133742] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.134084] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.134418] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.134751] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.135089] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.135420] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.135753] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.136103] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
[ 0.136439] ACPI: Power Resource [FN00] (off)
[ 0.136563] Linux Plug and Play Support v0.97 (c) Adam Belay
[ 0.136654] pnp: PnP ACPI init
[ 0.136677] ACPI: bus type pnp registered
[ 0.142856] pnp: PnP ACPI: found 12 devices
[ 0.142872] ACPI: ACPI bus type pnp unregistered
[ 0.143302] SCSI subsystem initialized
[ 0.143683] usbcore: registered new interface driver usbfs
[ 0.143791] usbcore: registered new interface driver hub
[ 0.143916] usbcore: registered new device driver usb
[ 0.144612] PCI: Using ACPI for IRQ routing
[ 0.144627] PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
[ 0.416076] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 11
[ 0.416097] hpet0: 3 64-bit timers, 14318180 Hz
[ 0.420029] Time: tsc clocksource has been installed.
[ 0.432072] system 00:01: iomem range 0xe0000000-0xefffffff could not be reserved
[ 0.432092] system 00:01: iomem range 0x1fb00000-0x1fbfffff could not be reserved
[ 0.432109] system 00:01: iomem range 0x1fc00000-0x1fffffff could not be reserved
[ 0.432126] system 00:01: iomem range 0x20000000-0x7fffffff could not be reserved
[ 0.432149] system 00:02: ioport range 0xa20-0xa3f has been reserved
[ 0.432162] system 00:02: ioport range 0xa00-0xa3f could not be reserved
[ 0.432175] system 00:02: ioport range 0xa10-0xa1f has been reserved
[ 0.432188] system 00:02: ioport range 0xa40-0xa4f has been reserved
[ 0.432211] system 00:06: ioport range 0x4d0-0x4d1 has been reserved
[ 0.432231] system 00:08: ioport range 0x810-0x810 has been reserved
[ 0.432244] system 00:08: ioport range 0x800-0x80f has been reserved
[ 0.432257] system 00:08: ioport range 0xffff-0xffff has been reserved
[ 0.432276] system 00:09: ioport range 0x900-0x97f has been reserved
[ 0.432289] system 00:09: ioport range 0x400-0x40f has been reserved
[ 0.432302] system 00:09: ioport range 0x480-0x4bf has been reserved
[ 0.432317] system 00:09: iomem range 0xfec00000-0xfec85fff could not be reserved
[ 0.432339] system 00:09: iomem range 0xfed1c000-0xfed1ffff could not be reserved
[ 0.432355] system 00:09: iomem range 0xc0000-0xdffff has been reserved
[ 0.432368] system 00:09: iomem range 0xe0000-0xeffff has been reserved
[ 0.432381] system 00:09: iomem range 0xf0000-0xfffff has been reserved
[ 0.432395] system 00:09: iomem range 0xffc00000-0xffffffff could not be reserved
[ 0.432420] system 00:0b: iomem range 0x1faf0000-0x1fafffff could not be reserved
[ 0.227304] PCI: Bridge: 0000:00:1c.0
[ 0.227319] IO window: e000-efff
[ 0.227332] MEM window: d0000000-d00fffff
[ 0.227344] PREFETCH window: fef00000-feffffff
[ 0.227382] PCI: Enabling device 0000:00:1c.0 (0000 -> 0003)
[ 0.227405] ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 0.227452] NET: Registered protocol family 2
[ 0.276135] IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.276563] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
[ 0.276736] TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
[ 0.276910] TCP: Hash tables configured (established 16384 bind 16384)
[ 0.276923] TCP reno registered
[ 0.290088] audit: initializing netlink socket (disabled)
[ 0.290121] audit(3071822179.520:1): initialized
[ 0.295970] fuse init (API version 7.9)
[ 0.296660] io scheduler noop registered
[ 0.296674] io scheduler anticipatory registered
[ 0.296684] io scheduler deadline registered
[ 0.296832] io scheduler cfq registered (default)
[ 0.380097] Real Time Clock Driver v1.12ac
[ 0.380516] Linux agpgart interface v0.102
[ 0.380720] intelfb: Framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM chipsets
[ 0.380739] intelfb: Version 0.9.4
[ 0.380845] ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 0.380876] intelfb: Cannot reserve MMIO region.
[ 0.381002] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
[ 0.383960] RAMDISK driver initialized: 16 RAM disks of 65536K size 1024 blocksize
[ 0.384015] r8169 Gigabit Ethernet driver 2.2LK loaded
[ 0.384116] PCI: Enabling device 0000:01:00.0 (0000 -> 0003)
[ 0.384136] ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 0.384194] r8169 0000:01:00.0: no MSI. Back to INTx.
[ 0.384682] eth0: RTL8168c/8111c at 0xe086a000, 00:0e:8e:22:ab:5f, XID 3c4000c0 IRQ 16
[ 0.386500] netconsole: local port 6665
[ 0.386512] netconsole: local IP 192.168.44.112
[ 0.386521] netconsole: interface eth0
[ 0.386530] netconsole: remote port 6666
[ 0.386539] netconsole: remote IP 192.168.44.111
[ 0.386552] netconsole: remote ethernet address 00:50:56:3f:58:50
[ 0.386565] netconsole: device eth0 not up yet, forcing it
[ 0.386835] r8169: eth0: link down
[ 0.619876] r8169: eth0: link down
[ 3.670232] r8169: eth0: link up
[ 3.456239] console [netcon0] enabled
[ 3.458016] netconsole: network logging started
[ 3.458027] Linux video capture interface: v2.00
[ 3.691267] Driver 'sd' needs updating - please use bus_type methods
[ 3.691668] PCI: Enabling device 0000:00:1f.1 (0000 -> 0001)
[ 3.692192] ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 19 (level, low) -> IRQ 19
[ 3.692257] ehci_hcd 0000:00:1d.7: EHCI Host Controller
[ 3.692499] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
[ 3.696445] ehci_hcd 0000:00:1d.7: debug port 1
[ 3.696484] ehci_hcd 0000:00:1d.7: irq 19, io mem 0xd01c4000
[ 3.712250] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
[ 3.712670] usb usb1: configuration #1 chosen from 1 choice
[ 3.712791] hub 1-0:1.0: USB hub found
[ 3.712816] hub 1-0:1.0: 8 ports detected
[ 3.728605] USB Universal Host Controller Interface driver v3.0
[ 3.728676] ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 3.728713] uhci_hcd 0000:00:1d.0: UHCI Host Controller
[ 3.728933] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
[ 3.728982] uhci_hcd 0000:00:1d.0: irq 16, io base 0x0000f040
[ 3.729338] usb usb2: configuration #1 chosen from 1 choice
[ 3.729461] hub 2-0:1.0: USB hub found
[ 3.729486] hub 2-0:1.0: 2 ports detected
[ 3.744428] ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 17
[ 3.744466] uhci_hcd 0000:00:1d.1: UHCI Host Controller
[ 3.744688] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
[ 3.744739] uhci_hcd 0000:00:1d.1: irq 17, io base 0x0000f020
[ 3.745095] usb usb3: configuration #1 chosen from 1 choice
[ 3.745215] hub 3-0:1.0: USB hub found
[ 3.745239] hub 3-0:1.0: 2 ports detected
[ 3.760422] ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
[ 3.760464] uhci_hcd 0000:00:1d.2: UHCI Host Controller
[ 3.760684] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
[ 3.760734] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000f000
[ 3.761094] usb usb4: configuration #1 chosen from 1 choice
[ 3.761232] hub 4-0:1.0: USB hub found
[ 3.761256] hub 4-0:1.0: 2 ports detected
[ 3.540227] usb 1-4: new high speed USB device using ehci_hcd and address 2
[ 3.792508] Initializing USB Mass Storage driver...
[ 3.820938] usb 1-4: configuration #1 chosen from 1 choice
[ 3.821153] hub 1-4:1.0: USB hub found
[ 3.821299] hub 1-4:1.0: 4 ports detected
[ 3.856277] usb 1-5: new high speed USB device using ehci_hcd and address 3
[ 3.893947] usb 1-5: configuration #1 chosen from 1 choice
[ 3.992270] usb 4-2: new full speed USB device using uhci_hcd and address 2
[ 4.014273] usb 4-2: configuration #1 chosen from 1 choice
[ 4.096262] usb 1-4.2: new high speed USB device using ehci_hcd and address 5
[ 4.134764] usb 1-4.2: configuration #1 chosen from 1 choice
[ 4.208370] usb 1-4.3: new full speed USB device using ehci_hcd and address 6
[ 4.243755] usb 1-4.3: configuration #1 chosen from 1 choice
[ 4.244091] hub 1-4.3:1.0: USB hub found
[ 4.244485] hub 1-4.3:1.0: 3 ports detected
[ 3.760241] scsi0 : SCSI emulation for USB Mass Storage devices
[ 4.348608] usb 1-4.3.3: new full speed USB device using ehci_hcd and address 7
[ 4.391626] usb 1-4.3.3: configuration #1 chosen from 1 choice
[ 3.808244] usbcore: registered new interface driver usb-storage
[ 3.808244] USB Mass Storage support registered.
[ 3.808244] mice: PS/2 mouse device common for all mice
[ 3.808244] i2c /dev entries driver
[ 3.808244] Software Watchdog Timer: 0.07 initialized. soft_noboot=0 soft_margin=60 sec (nowayout= 0)
[ 3.808244] cpuidle: using governor ladder
[ 3.808244] cpuidle: using governor menu
[ 3.808244] sdhci: Secure Digital Host Controller Interface driver
[ 3.808244] sdhci: Copyright(c) Pierre Ossman
[ 3.808244] sdhci: SDHCI controller found at 0000:00:1e.0 [8086:811c] (rev 7)
[ 3.808244] ACPI: PCI Interrupt 0000:00:1e.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 3.808397] mmc0: SDHCI at 0xd01c4600 irq 16 DMA
[ 3.808428] sdhci: SDHCI controller found at 0000:00:1e.1 [8086:811d] (rev 7)
[ 3.808454] ACPI: PCI Interrupt 0000:00:1e.1[B] -> GSI 17 (level, low) -> IRQ 17
[ 3.812319] mmc1: SDHCI at 0xd01c4500 irq 17 DMA
[ 3.812350] sdhci: SDHCI controller found at 0000:00:1e.2 [8086:811e] (rev 7)
[ 3.812376] ACPI: PCI Interrupt 0000:00:1e.2[C] -> GSI 18 (level, low) -> IRQ 18
[ 3.812539] mmc2: SDHCI at 0xd01c4400 irq 18 DMA
[ 3.812661] ricoh-mmc: Ricoh MMC Controller disabling driver
[ 3.812681] ricoh-mmc: Copyright(c) Philip Langdale
[ 3.812999] usbcore: registered new interface driver hiddev
[ 3.819697] input: AmSC OpenPeak Touchscreen Hyup02 as /devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2:1.0/input/input0
[ 4.437476] input,hidraw0: USB HID v1.11 Mouse [AmSC OpenPeak Touchscreen Hyup02] on usb-0000:00:1d.2-2
[ 4.441102] input: Mitsumi Electric Apple Extended USB Keyboard as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.3/1-4.3.3/1-4.3.3:1.0/input/input1
[ 4.476474] input,hidraw1: USB HID v1.10 Keyboard [Mitsumi Electric Apple Extended USB Keyboard] on usb-0000:00:1d.7-4.3.3
[ 4.480059] mmc2: new MMC card at address 0001
[ 4.480239] mmcblk0: mmc2:0001 1004032KiB
[ 4.480657] mmcblk0:<6>input: Mitsumi Electric Apple Extended USB Keyboard as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.3/1-4.3.3/1-4.3.3:1.1/input/input2
[ 3.892727] p1 p2 p3 p4
[ 4.516482] input,hidraw2: USB HID v1.10 Device [Mitsumi Electric Apple Extended USB Keyboard] on usb-0000:00:1d.7-4.3.3
[ 4.516616] usbcore: registered new interface driver usbhid
[ 4.516637] drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
[ 4.516753] Advanced Linux Sound Architecture Driver Version 1.0.15 (Tue Nov 20 19:16:42 2007 UTC).
[ 4.517109] usbcore: registered new interface driver snd-usb-audio
[ 4.517130] ALSA device list:
[ 4.517140] No soundcards found.
[ 4.517991] TCP cubic registered
[ 4.518041] NET: Registered protocol family 1
[ 4.518073] NET: Registered protocol family 17
[ 4.518102] Starting balanced_irq
[ 4.518153] Using IPI No-Shortcut mode
[ 4.518382] Magic number: 5:724:608
[ 4.518504] hash matches device ptyaf
[ 4.518629] Waiting 2sec before mounting root device...
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