On Monday, 19 February 2007 01:00, Andrew Morton wrote:
> On Mon, 19 Feb 2007 00:25:48 +0100 "Rafael J. Wysocki" <[email protected]> wrote:
>
> > > netconsole is good.
> >
> > I know. :-)
> >
> > In the meantime, I've got something worse on another x86_64 box:
> >
> > Asus Laptop ACPI Extras version 0.30
> > L5D model detected, supported
> > audit(1171831698.918:2): audit_pid=4281 old=0 by auid=4294967295
> > general protection fault: 0000 [2] PREEMPT
> > last sysfs file: /class/net/eth2/carrier
> > CPU 0
> > Modules linked in: af_packet ipv6 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device asus_acpi backlight button battery ac dm_mod pcmr
> > Pid: 178, comm: pdflush Not tainted 2.6.20-mm2 #1
> > RIP: 0010:[<ffffffff8034bce4>] [<ffffffff8034bce4>] __make_request+0x134/0x370
> > RSP: 0000:ffff81005ed659a0 EFLAGS: 00010297
> > RAX: 00000000ffffffff RBX: 6b6b6b6b6b6b6b6b RCX: 000000000203396a
> > RDX: 0000000100000000 RSI: ffff810037b4dbb0 RDI: ffff81004683d8c0
> > RBP: ffff81005ed659f0 R08: ffff81004683d070 R09: ffff81003d333cc0
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff810037b4dbb0
> > R13: ffff81005daba3f0 R14: ffff810037daca90 R15: ffff81005daba3d0
> > FS: 00002ad4a29e6d00(0000) GS:ffffffff805db000(0000) knlGS:0000000000000000
> > CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> > CR2: 00002b6a345aa000 CR3: 0000000056585000 CR4: 00000000000006e0
> > Process pdflush (pid: 178, threadinfo ffff81005ed64000, task ffff810037b060c0)
> > Stack: ffff810002852540 0000000000000001 ffff810037b4dbb0 ffffffff8026be21
> > ffff81005ed65a40 0000000000000008 ffff810037b4dbb0 0000000000000800
> > 0000000000000008 ffff8100021d94e0 ffff81005ed65a40 ffffffff80348e7c
> > Call Trace:
> > [<ffffffff8026be21>] mempool_alloc_slab+0x11/0x20
> > [<ffffffff80348e7c>] generic_make_request+0x1ec/0x230
>
> yeah. everyone except me is hitting that.
An interesting variant:
------------[ cut here ]------------
kernel BUG at block/ll_rw_blk.c:2782!
invalid opcode: 0000 [1] PREEMPT
last sysfs file: /class/net/eth2/carrier
CPU 0
Modules linked in: af_packet ipv6 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device asus_acpi backlight button battery ac dm_mod usbhid pcmcir
Pid: 5060, comm: preload Not tainted 2.6.20-mm2 #4
RIP: 0010:[<ffffffff80349b7a>] [<ffffffff80349b7a>] bio_attempt_back_merge+0x2a/0xa0
RSP: 0018:ffff810045819a58 EFLAGS: 00010202
RAX: 0000000100000080 RBX: ffff810046946eb0 RCX: 0000000002b26b42
RDX: 0000000100000000 RSI: ffff810046946eb0 RDI: ffff810037d74a90
RBP: ffff810045819a68 R08: ffff810046946eb0 R09: 0000000000000400
R10: 0000000000000000 R11: 0000000000000000 R12: ffff810046fcc330
R13: ffff81004a218770 R14: ffff810037d74a90 R15: ffff81004a218750
FS: 00002acb9c6076f0(0000) GS:ffffffff805db000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002aaaaaaac000 CR3: 0000000045855000 CR4: 00000000000006e0
Process preload (pid: 5060, threadinfo ffff810045818000, task ffff81004a12e140)
Stack: ffff810046946eb0 ffff810046fcc330 ffff810045819ac8 ffffffff8034b730
0000000000000000 0000000000000000 ffff810046fcc330 0000000000000002
ffff810046946eb0 0000000000000008 ffff810046fcc330 0000000000000800
Call Trace:
[<ffffffff8034b730>] __make_request+0x100/0x370
[<ffffffff803488fc>] generic_make_request+0x1ec/0x230
[<ffffffff802b9a7b>] bio_alloc_bioset+0xeb/0x120
[<ffffffff8034b266>] submit_bio+0xf6/0x110
[<ffffffff802b9b10>] bio_alloc+0x10/0x20
[<ffffffff802bd3f2>] mpage_bio_submit+0x22/0x30
[<ffffffff802bdfe5>] do_mpage_readpage+0x505/0x590
[<ffffffff80482cd6>] _write_unlock_irq+0x36/0x60
[<ffffffff80268bfb>] add_to_page_cache+0xbb/0xf0
[<ffffffff8026d950>] get_page_from_freelist+0x120/0x430
[<ffffffff802be2be>] mpage_readpages+0xbe/0x160
[<ffffffff8030fa20>] ext3_get_block+0x0/0x110
[<ffffffff8030fa20>] ext3_get_block+0x0/0x110
[<ffffffff804833b0>] _spin_unlock+0x30/0x50
[<ffffffff8026da50>] get_page_from_freelist+0x220/0x430
[<ffffffff8030eb8a>] ext3_readpages+0x1a/0x20
[<ffffffff8027072f>] __do_page_cache_readahead+0x20f/0x330
[<ffffffff80294d68>] cp_new_stat+0xf8/0x120
[<ffffffff80270c7d>] force_page_cache_readahead+0x6d/0xb0
[<ffffffff8026c533>] sys_fadvise64_64+0x143/0x1e0
[<ffffffff8026c5d9>] sys_fadvise64+0x9/0x10
[<ffffffff80209a0e>] system_call+0x7e/0x83
Code: 0f 0b 0f 1f 40 00 eb fe 4c 89 e2 e8 f6 df ff ff 31 d2 85 c0
RIP [<ffffffff80349b7a>] bio_attempt_back_merge+0x2a/0xa0
RSP <ffff810045819a58>
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