From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "Christopher S. Aker" <caker@theshore.net>
Cc: virtualization@lists.linux-foundation.org
Subject: Re: pv_ops - 2.6.26 - unable to handle kernel paging request
Date: Tue, 22 Jul 2008 07:56:13 -0700 [thread overview]
Message-ID: <4885F50D.4000400@goop.org> (raw)
In-Reply-To: <4885DACE.30600@theshore.net>
Christopher S. Aker wrote:
> Xen: 3.1.2 (or thereabouts), 64bit
> dom0: 2.6.18.8, pae
> pv-ops, 2.6.26
Just as I'm about to announce something like "no known bugs", you pop up
with one ;)
> BUG: unable to handle kernel paging request at 69746174
> IP: [<c015e221>] move_freepages+0x61/0xc0
> *pdpt = 0000000204ed6007
> Oops: 0002 [#1] SMP
> Modules linked in:
>
> Pid: 6859, comm: sh Not tainted (2.6.26-linode13 #1)
> EIP: 0061:[<c015e221>] EFLAGS: 00010002 CPU: 2
> EIP is at move_freepages+0x61/0xc0
> EAX: 69746174 EBX: 25413325 ECX: c158e038 EDX: 732e316d
> ESI: c158e020 EDI: 00000000 EBP: c158ffe0 ESP: ec2cddf8
> DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
> Process sh (pid: 6859, ti=ec2cc000 task=ecd3f400 task.ti=ec2cc000)
> Stack: c0630200 00000008 0002c7ff c1588000 c0630200 c158ffe0 c015e2ea
> 00000001
> 00000001 00000001 c158f6e0 00000000 c0630200 c015e5d9 c0630a84 00000000
> c0630a84 00000000 00000008 00000000 c1587418 c0630200 00000018 0000001f
> Call Trace:
> [<c015e2ea>] move_freepages_block+0x6a/0x80
> [<c015e5d9>] __rmqueue+0x1a9/0x1e0
> [<c015e651>] rmqueue_bulk+0x41/0x70
> [<c015eae4>] get_page_from_freelist+0x464/0x490
> [<c015ebba>] __alloc_pages_internal+0xaa/0x460
> [<c015ef8f>] __alloc_pages+0xf/0x20
> [<c015f4bf>] __get_free_pages+0xf/0x20
> [<c01c015f>] proc_file_read+0x8f/0x2a0
> [<c01c00d0>] proc_file_read+0x0/0x2a0
> [<c01bb7ca>] proc_reg_read+0x5a/0x90
> [<c01801f1>] vfs_read+0xa1/0x160
> [<c01bb770>] proc_reg_read+0x0/0x90
> [<c0180551>] sys_read+0x41/0x70
> [<c0107256>] syscall_call+0x7/0xb
> =======================
> Code: cb 77 6f 8b 44 24 1c 89 de c1 e0 03 89 44 24 04 eb 07 83 c6 20
> 39 f5 72 59 f6 46 02 04 74 f3 8d 4e 18 8b 56 18 8b 41 04 8b 5e 0c <89>
> 10 89 42 04 8d 04 9b c7 46 18 00 01 10 00 8d 04 43 8b 14 24
> EIP: [<c015e221>] move_freepages+0x61/0xc0 SS:ESP 0069:ec2cddf8
> ---[ end trace 628f7b31d5a52105 ]---
>
> Kernel binary is located here:
>
> http://www.theshore.net/~caker/kernels/2.6.26-linode13
Thanks.
What was going on at the time? Was the system idle? Under load? Does
it happen during boot, or after some uptime? (Pid 6859 suggests the
system has been up for a while.)
J
next prev parent reply other threads:[~2008-07-22 14:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-22 13:04 pv_ops - 2.6.26 - unable to handle kernel paging request Christopher S. Aker
2008-07-22 14:56 ` Jeremy Fitzhardinge [this message]
2008-07-22 18:46 ` Jeremy Fitzhardinge
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