From: Andrew Morton <akpm@linux-foundation.org>
To: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-ext4@vger.kernel.org, Andy Whitcroft <apw@shadowen.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Christoph Lameter <clameter@sgi.com>,
linux-mm@kvack.org
Subject: Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench
Date: Mon, 18 Feb 2008 04:59:54 -0800 [thread overview]
Message-ID: <20080218045954.50503fb1.akpm@linux-foundation.org> (raw)
In-Reply-To: <47B6784E.2090401@linux.vnet.ibm.com>
On Sat, 16 Feb 2008 11:14:46 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> The 2.6.25-rc2 kernel oopses while running dbench on ext3 filesystem
> mounted with mount -o data=writeback,nobh option on the x86_64 box
>
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
> IP: [<ffffffff80274972>] kmem_cache_alloc+0x3a/0x6c
> PGD 1f6860067 PUD 1f5d64067 PMD 0
> Oops: 0000 [1] SMP
> CPU 3
> Modules linked in:
> Pid: 4271, comm: dbench Not tainted 2.6.25-rc2-autotest #1
> RIP: 0010:[<ffffffff80274972>] [<ffffffff80274972>] kmem_cache_alloc+0x3a/0x6c
> RSP: 0000:ffff8101fb041dc8 EFLAGS: 00010246
> RAX: 0000000000000000 RBX: ffff810180033c00 RCX: ffffffff8027b269
> RDX: 0000000000000000 RSI: 00000000000080d0 RDI: ffffffff80632d70
> RBP: 00000000000080d0 R08: 0000000000000001 R09: 0000000000000000
> R10: ffff8101feb36e50 R11: 0000000000000190 R12: 0000000000000001
> R13: 0000000000000000 R14: ffff8101f8f38000 R15: 00000000ffffff9c
> FS: 0000000000000000(0000) GS:ffff8101fff0f000(0063) knlGS:00000000f7e41460
> CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
> CR2: 0000000000000000 CR3: 00000001f5620000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process dbench (pid: 4271, threadinfo ffff8101fb040000, task ffff8101fb180000)
> Stack: 0000000000000001 ffff8101fb041ea8 0000000000000001 ffffffff8027b269
> ffff8101fb041ea8 ffffffff80281fe8 0000000000000001 0000000000000000
> ffff8101fb041ea8 00000000ffffff9c 000000000000000b 0000000000000001
> Call Trace:
> [<ffffffff8027b269>] get_empty_filp+0x55/0xf9
> [<ffffffff80281fe8>] __path_lookup_intent_open+0x22/0x8f
> [<ffffffff80282853>] open_namei+0x86/0x5a7
> [<ffffffff8027d019>] vfs_stat_fd+0x3c/0x4a
> [<ffffffff80279ab1>] do_filp_open+0x1c/0x3d
> [<ffffffff80279c2c>] get_unused_fd_flags+0x79/0x111
> [<ffffffff80279dce>] do_sys_open+0x46/0xca
> [<ffffffff80221c82>] ia32_sysret+0x0/0xa
>
Looks to me like we broke slab. Christoph is offline until the 27th..
next prev parent reply other threads:[~2008-02-18 13:02 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-15 21:23 Linux 2.6.25-rc2 Linus Torvalds
2008-02-16 2:08 ` Rafael J. Wysocki
2008-02-16 5:44 ` [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench Kamalesh Babulal
2008-02-18 12:59 ` Andrew Morton [this message]
2008-02-18 14:25 ` Jeff Garzik
2008-02-18 16:11 ` Frans Pop
2008-03-03 11:51 ` Pekka Enberg
2008-03-04 4:03 ` Kamalesh Babulal
2008-02-16 6:10 ` [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc Kamalesh Babulal
2008-02-17 19:29 ` Jens Axboe
2008-02-19 8:04 ` KAMEZAWA Hiroyuki
2008-02-19 8:36 ` Jens Axboe
2008-02-19 8:47 ` KAMEZAWA Hiroyuki
2008-02-19 8:58 ` Jens Axboe
2008-02-19 9:07 ` KAMEZAWA Hiroyuki
2008-02-19 9:09 ` Jens Axboe
2008-02-19 9:02 ` KAMEZAWA Hiroyuki
2008-02-19 9:01 ` Jens Axboe
2008-02-19 13:19 ` Kamalesh Babulal
2008-02-22 7:24 ` Andrew Morton
2008-02-22 7:40 ` Jens Axboe
2008-02-17 20:08 ` Rafael J. Wysocki
2008-02-16 16:52 ` Linux 2.6.25-rc2 Jan Engelhardt
2008-02-16 19:14 ` Linux 2.6.25-rc2 regression: LVM cannot find volume group Tilman Schmidt
2008-02-16 20:12 ` Alan Cox
2008-02-16 22:37 ` Jiri Slaby
2008-02-18 0:57 ` Tilman Schmidt
2008-02-18 1:22 ` Jeff Chua
2008-02-18 10:35 ` Tilman Schmidt
2008-02-19 1:53 ` Alasdair G Kergon
2008-02-19 8:56 ` Tilman Schmidt
2008-02-16 21:38 ` Linux 2.6.25-rc2 Torsten Kaiser
2008-02-17 20:25 ` Rafael J. Wysocki
2008-02-17 21:32 ` Torsten Kaiser
2008-02-18 23:54 ` Linus Torvalds
2008-02-19 6:44 ` Torsten Kaiser
2008-02-19 6:11 ` Ingo Molnar
2008-02-19 6:54 ` Torsten Kaiser
2008-02-19 7:21 ` Pekka Enberg
2008-02-19 10:27 ` Ingo Molnar
2008-02-19 10:45 ` Pekka Enberg
2008-02-19 13:02 ` Mathieu Desnoyers
2008-02-19 14:00 ` Ingo Molnar
2008-02-19 14:02 ` Mathieu Desnoyers
2008-02-19 14:21 ` Pekka Enberg
2008-02-19 14:38 ` Pekka Enberg
2008-02-19 14:55 ` Ingo Molnar
2008-02-19 14:57 ` Ingo Molnar
2008-02-19 15:54 ` Pekka Enberg
2008-02-19 15:52 ` Pekka Enberg
2008-02-20 0:36 ` Zhang, Yanmin
2008-02-20 2:08 ` Zhang, Yanmin
2008-02-20 6:53 ` Zhang, Yanmin
2008-02-20 7:10 ` Pekka Enberg
2008-02-19 16:20 ` Linus Torvalds
2008-02-19 16:45 ` Ingo Molnar
2008-02-19 16:48 ` Ingo Molnar
2008-02-19 19:27 ` Torsten Kaiser
2008-02-19 20:08 ` Mathieu Desnoyers
2008-02-27 23:32 ` Christoph Lameter
2008-02-28 1:57 ` Andrew Morton
2008-02-28 2:43 ` Christoph Lameter
2008-02-28 8:14 ` Ingo Molnar
2008-02-28 11:15 ` Alan Cox
2008-02-28 11:13 ` Jiri Kosina
2008-02-19 16:27 ` Eric Dumazet
2008-02-19 16:38 ` Linus Torvalds
2008-02-19 20:03 ` Mathieu Desnoyers
2008-02-27 23:34 ` Christoph Lameter
2008-02-28 5:55 ` [PATCH] Implement slub fastpath in terms of freebase and freeoffset Mathieu Desnoyers
2008-02-28 19:08 ` Christoph Lameter
2008-02-28 23:25 ` Mathieu Desnoyers
2008-02-29 0:57 ` Christoph Lameter
2008-02-29 1:56 ` Mathieu Desnoyers
2008-02-29 2:12 ` Christoph Lameter
2008-02-29 3:32 ` Mathieu Desnoyers
2008-02-29 5:11 ` Christoph Lameter
2008-02-29 13:03 ` Mathieu Desnoyers
2008-02-29 19:57 ` Christoph Lameter
2008-02-29 13:28 ` [PATCH] Slub Freeoffset check overflow Mathieu Desnoyers
2008-03-04 6:17 ` [PATCH] Slub Freeoffset check overflow (updated) Mathieu Desnoyers
2008-03-04 7:15 ` Christoph Lameter
2008-02-27 23:32 ` Linux 2.6.25-rc2 Christoph Lameter
2008-02-19 18:39 ` Torsten Kaiser
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