linux-kernel - Re: vfs related crash in 2.6.33-rc2

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Message-ID: <87637oi6v8.fsf@devron.myhome.or.jp>
Date:	Thu, 31 Dec 2009 04:44:59 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Marvin <marvin24@....de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: vfs related crash in 2.6.33-rc2

Marvin <marvin24@....de> writes:

> Hi,
>
> I'm getting a lot of these:
>
> kernel: general protection fault: 0000 [#1] SMP
> kernel: last sysfs file: /sys/devices/pci0000:00/0000:00:18.3/modalias
> kernel: CPU 0
> kernel: Pid: 12177, comm: packagekitd Not tainted 2.6.33-rc2 #1 GA-MA69VM-S2/GA-
> MA69VM-S2
> kernel: RIP: 0010:[<ffffffff81111984>]  [<ffffffff81111984>] __d_lookup+0x84/0x140
> kernel: RSP: 0018:ffff880032281bf8  EFLAGS: 00010286
> kernel: RAX: bc004303ff008e00 RBX: bc004303ff008e00 RCX: 0000000000000011
> kernel: RDX: 018721e0aefe22a8 RSI: ffff880032281ce8 RDI: ffff88003b4c8540
> kernel: RBP: ffff880032281c48 R08: 0016c3c8f8b84e99 R09: 0000000000001000
> kernel: R10: 61746f742f363331 R11: 0000000000000246 R12: bc004303ff008de8
> kernel: R13: ffff88003b4c8540 R14: 00000000afeb6093 R15: ffff880032281ce8
> kernel: FS:  00007fcee6297910(0000) GS:ffff880001a00000(0000) knlGS:00000000f76ba6c0
> kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> kernel: CR2: 00007fcee6288b3c CR3: 000000000be7c000 CR4: 00000000000006f0
> kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> kernel: Process packagekitd (pid: 12177, threadinfo ffff880032280000, task 
> ffff88003a874320)
> kernel: Stack:
> kernel: ffff880032281c18 ffff88002150201c 0000000d264cf090 000000000000000d
> kernel: <0> ffff880032281c48 ffff880032281dd8 ffff880032281cf8 ffff880032281ce8
> kernel: <0> ffff880038aa9a00 ffff880032281cf8 ffff880032281c98 ffffffff811069c5
> kernel: Call Trace:
> kernel: [<ffffffff811069c5>] do_lookup+0x55/0x270
> kernel: [<ffffffff8110905d>] link_path_walk+0x69d/0xe70
> kernel: [<ffffffff811099b8>] path_walk+0x58/0xc0
> kernel: [<ffffffff81109a73>] do_path_lookup+0x53/0xa0
> kernel: [<ffffffff8110a6a3>] user_path_at+0x53/0xa0
> kernel: [<ffffffff811edcab>] ? _atomic_dec_and_lock+0x6b/0x90
> kernel: [<ffffffff811013f3>] ? cp_new_stat+0xf3/0x110
> kernel: [<ffffffff81101617>] vfs_fstatat+0x37/0x70
> kernel: [<ffffffff811016b9>] vfs_lstat+0x19/0x20
> kernel: [<ffffffff811016df>] sys_newlstat+0x1f/0x50
> kernel: [<ffffffff81002d2b>] system_call_fastpath+0x16/0x1b
> kernel: Code: e0 03 48 03 05 ee df 75 00 48 8b 18 8b 45 c4 48 85 db 48 89 45 c8 75 0f 
> eb 71 0f 1f 44 00 00 48 8b 1b 48 85 db 74 64 4c 8d 63 e8 <48> 8b 03 45 39 74 24 30 0f 
> 18 08 75 e7 4d 39 6c 24 28 75 e0 49
> kernel: RIP  [<ffffffff81111984>] __d_lookup+0x84/0x140
> kernel: RSP <ffff880032281bf8>
> kernel: ---[ end trace 20357edf03a4cafd ]---
>
> filesystem is ext4 (in case it matters). 

BTW, are you using nfs client on this machine?
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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