Nick Piggin <[email protected]> wrote:
>
> > Now I have got this:
> >
> > BUG: unable to handle kernel paging request at virtual address eaa34b3c
> > printing eip:
> > b0161cdd
> > *pde = 0048a067
> > *pte = 3aa34000
> > Oops: 0000 [#1]
> > PREEMPT SMP DEBUG_PAGEALLOC
> > last sysfs file: /devices/pci0000:00/0000:00:1d.1/usb3/idVendor
> > Modules linked in: snd_intel8x0 snd_ac97_codec snd_ac97_bus
> > snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ide_cd cdrom intel_agp
> > agpgart snd i2c_i801 hw_random soundcore snd_page_alloc unix
> > CPU: 0
> > EIP: 0060:[<b0161cdd>] Not tainted VLI
> > EFLAGS: 00010282 (2.6.16-rc1-mm3 #4)
> > EIP is at do_path_lookup+0x22b/0x259
> > eax: eaa34b20 ebx: eb328000 ecx: 00000000 edx: eb328f4c
> > esi: ffffff9c edi: fffffffe ebp: eb328f24 esp: eb328f0c
> > ds: 007b es: 007b ss: 0068
> > Process udevd (pid: 731, threadinfo=eb328000 task=eb30ca80)
> > Stack: <0>00000000 eb5cb000 b015fab1 eb5cb000 eb5cb000 00000000
> > eb328f40 b01621f3
> > eb328f4c ffffff9c afbf6dec afbf6dec 00000100 eb328f9c b015bf69 eb328f4c
> > eaa34b20 b23d5f28 00000000 eb329003 b015f8ce 00000000 00000001 00000000
> > Call Trace:
> > [<b0103917>] show_stack_log_lvl+0xaa/0xb5
> > [<b0103a54>] show_registers+0x132/0x19d
> > [<b0103d91>] die+0x171/0x1fb
> > [<b02ab110>] do_page_fault+0x3be/0x568
> > [<b010343f>] error_code+0x4f/0x54
> > [<b01621f3>] __user_walk_fd+0x2d/0x41
> > [<b015bf69>] sys_readlinkat+0x26/0x93
> > [<b015bfe9>] sys_readlink+0x13/0x15
> > [<b01028bf>] sysenter_past_esp+0x54/0x75
> > Code: 00 83 c0 04 e8 9a 82 14 00 8b 03 c7 80 e4 01 00 00 00 00 00 00
> > 8b 55 08 8b 45 ec e8 55 fa ff ff 89 c7 8b 55 08 8b 02 85 c0 74 24 <8b>
> > 50 1c 85 d2 74 1d b8 00 f0 ff ff 21 e0 8b 00 83 b8 d4 04 00
> > <6>ACPI: PCI Interrupt 0000:02:05.0[A] -> GSI 22 (level, low) -> IRQ 21
> >
> > Here is dmesg:
> > http://www.stardust.webpages.pl/files/mm/2.6.16-rc1-mm3/mm-dmesg2
> >
> > Here is config
> > http://www.stardust.webpages.pl/files/mm/2.6.16-rc1-mm3/mm-config
> >
> > Regards,
> > Michal Piotrowski
> >
>
> Thanks for testing Michal. Andrew this one looks unrelated -
> have you seen anything similar?
No, I don't think I have.
> Any ideas?
This has a greggy feel to it. udev is trying to read a symlink in sysfs,
probably USB-related, but it hit a bad address. It might boot OK without
CONFIG_DEBUG_PAGEALLOC.
Michal, it'd be useful to look up 0xb0161cdd in gdb, see what line it died
at.
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