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Bug#582826: marked as done (Oops: 0002 unable to handle kernel paging request)

Your message dated Wed, 25 Aug 2010 02:51:38 +0100
with message-id <1282701098.22839.56.camel@localhost>
and subject line Re: Bug#582826: Oops: 0002 unable to handle kernel paging request
has caused the Debian Bug report #582826,
regarding Oops: 0002 unable to handle kernel paging request
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
582826: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=582826
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-source-2.6.26
Version: 2.6.26-21
Severity: normal


My main file and login server machine crashed, with an Oops in the logs.
I do not know whether this crash is reproducible: it crashed also a week
earlier, but with nothing visible in the logs; it had been stable for
months before these two crashes.

Extract from /var/log/syslog at the crash:

May 22 20:29:45 bari kernel: BUG: unable to handle kernel paging request at b14f6dc2
May 22 20:29:45 bari kernel: IP: [<c014b326>] find_get_pages+0x46/0x70
May 22 20:29:45 bari kernel: *pdpt = 0000000031a75001 *pde = 0000000000000000 
May 22 20:29:45 bari kernel: Oops: 0002 [#1] SMP 
May 22 20:29:45 bari kernel: Modules linked in: nfsd exportfs autofs4 quota_v2 fuse intel_agp agpgart usb_storage sg thermal 8250_pnp 8250 rtc_cmos rtc_core ehci_hcd parport_pc parport serial_core rtc_lib evdev i2c_i801 i2c_core processor thermal_sys
May 22 20:29:45 bari kernel: 
May 22 20:29:45 bari kernel: Pid: 287, comm: kswapd0 Not tainted (2.6.26-pk03.17-svr #1)
May 22 20:29:45 bari kernel: EIP: 0060:[<c014b326>] EFLAGS: 00010002 CPU: 5
May 22 20:29:45 bari kernel: EIP is at find_get_pages+0x46/0x70
May 22 20:29:45 bari kernel: EAX: b16f6cbe EBX: 00000001 ECX: 00000000 EDX: b14f6dbe
May 22 20:29:45 bari kernel: ESI: 00000000 EDI: e39c5dd8 EBP: f7e39e88 ESP: f7e39e40
May 22 20:29:45 bari kernel:  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
May 22 20:29:45 bari kernel: Process kswapd0 (pid: 287, ti=f7e39000 task=f7d7c6e0 task.ti=f7e39000)
May 22 20:29:45 bari kernel: Stack: 0000000e e39c5de8 00000000 f7e39e80 00000000 f7e39e80 c01539c2 f7e39e88 
May 22 20:29:45 bari kernel:        e39c5d30 00000080 c01545b4 0000000e 00155ca7 ffffffff e39c5dd8 00000000 
May 22 20:29:45 bari kernel:        00000000 00000000 c520e340 c1edb9e0 c4f7bc60 c5278ae0 c39e7a60 c42deaa0 
May 22 20:29:45 bari kernel: Call Trace:
May 22 20:29:45 bari kernel:  [<c01539c2>] pagevec_lookup+0x22/0x30
May 22 20:29:45 bari kernel:  [<c01545b4>] __invalidate_mapping_pages+0x54/0x140
May 22 20:29:45 bari kernel:  [<c01546af>] invalidate_mapping_pages+0xf/0x20
May 22 20:29:45 bari kernel:  [<c0186565>] shrink_icache_memory+0x235/0x240
May 22 20:29:45 bari kernel:  [<c015609f>] shrink_slab+0x12f/0x190
May 22 20:29:45 bari kernel:  [<c01564cd>] kswapd+0x3cd/0x490
May 22 20:29:45 bari kernel:  [<c0154d70>] isolate_pages_global+0x0/0x60
May 22 20:29:45 bari kernel:  [<c0136f80>] autoremove_wake_function+0x0/0x50
May 22 20:29:45 bari kernel:  [<c0156100>] kswapd+0x0/0x490
May 22 20:29:45 bari kernel:  [<c0136c99>] kthread+0x39/0x70
May 22 20:29:45 bari kernel:  [<c0136c60>] kthread+0x0/0x70
May 22 20:29:45 bari kernel:  [<c0103c83>] kernel_thread_helper+0x7/0x14
May 22 20:29:45 bari kernel:  =======================
May 22 20:29:45 bari kernel: Code: 30 00 8d 47 04 89 f1 89 ea 89 1c 24 e8 84 63 10 00 85 c0 89 c3 74 1f 31 c9 8d 74 26 00 8b 54 8d 00 8b 02 f6 c4 40 74 03 8b 52 0c <f0> ff 42 04 83 c1 01 39 cb 77 e7 8b 44 24 04 f0 ff 47 10 fb 83 
May 22 20:29:45 bari kernel: EIP: [<c014b326>] find_get_pages+0x46/0x70 SS:ESP 0068:f7e39e40
May 22 20:29:45 bari kernel: ---[ end trace 34faad952d0fda3f ]---

At this last crash, I happened to be logged in via ssh, and in the ssh
terminal window I had similar output, but curiously with a few lines
interchanged in order (and I am not sure whether the terminal output or
the syslog is correct; each line on the terminal was separately prefaced
with "Message from syslogd..." and separated with blank lines):

Message from syslogd@bari at Sat May 22 20:29:45 2010 ...
bari kernel: Oops: 0002 [#1] SMP 
bari kernel: Process kswapd0 (pid: 287, ti=f7e39000 task=f7d7c6e0 task.ti=f7e39000)
bari kernel: Stack: 0000000e e39c5de8 00000000 f7e39e80 00000000 f7e39e80 c01539c2 f7e39e88 
bari kernel:        00000000 00000000 c520e340 c1edb9e0 c4f7bc60 c5278ae0 c39e7a60 c42deaa0 
bari kernel:        e39c5d30 00000080 c01545b4 0000000e 00155ca7 ffffffff e39c5dd8 00000000 
bari kernel: Call Trace:
bari kernel:  [<c01539c2>] pagevec_lookup+0x22/0x30
bari kernel:  [<c01545b4>] __invalidate_mapping_pages+0x54/0x140
bari kernel:  [<c01546af>] invalidate_mapping_pages+0xf/0x20
bari kernel:  [<c015609f>] shrink_slab+0x12f/0x190
bari kernel:  [<c0186565>] shrink_icache_memory+0x235/0x240
bari kernel:  [<c01564cd>] kswapd+0x3cd/0x490
bari kernel:  [<c0154d70>] isolate_pages_global+0x0/0x60
bari kernel:  [<c0156100>] kswapd+0x0/0x490
bari kernel:  [<c0136f80>] autoremove_wake_function+0x0/0x50
bari kernel:  [<c0136c99>] kthread+0x39/0x70
bari kernel:  [<c0136c60>] kthread+0x0/0x70
bari kernel:  [<c0103c83>] kernel_thread_helper+0x7/0x14
bari kernel: Code: 30 00 8d 47 04 89 f1 89 ea 89 1c 24 e8 84 63 10 00 85 c0 89 c3 74 1f 31 c9 8d 74 26 00 8b 54 8d 00 8b 02 f6 c4 40 74 03 8b 52 0c <f0> ff 42 04 83 c1 01 39 cb 77 e7 8b 44 24 04 f0 ff 47 10 fb 83 
bari kernel: EIP: [<c014b326>] find_get_pages+0x46/0x70 SS:ESP 0068:f7e39e40
bari kernel:  =======================

Thanks,

Paul Szabo   psz@maths.usyd.edu.au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia


-- System Information:
Debian Release: 5.0.4
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-pk03.17-svr (SMP w/8 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-source-2.6.26 depends on:
ii  binutils            2.18.1~cvs20080103-7 The GNU assembler, linker and bina
ii  bzip2               1.0.5-1              high-quality block-sorting file co

Versions of packages linux-source-2.6.26 recommends:
ii  gcc                         4:4.3.2-2    The GNU C compiler
ii  libc6-dev [libc-dev]        2.7-18lenny2 GNU C Library: Development Librari
ii  make                        3.81-5       The GNU version of the "make" util

Versions of packages linux-source-2.6.26 suggests:
ii  kernel-package            11.015         A utility for building Linux kerne
ii  libncurses5-dev [ncurses- 5.7+20081213-1 developer's libraries and docs for
pn  libqt3-mt-dev             <none>         (no description available)

--- End Message ---
--- Begin Message --- 
Version: 2.6.26-24

On Wed, 2010-08-25 at 09:03 +1000, paul.szabo@sydney.edu.au wrote:
> The problem did not re-occur after upgrading to 2.6.26-24.
> Maybe fixed... Please close bug: I cannot reproduce anymore.

OK, closing this.  Thanks for the information.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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