linux-kernel - kernel Oops in ext3 code

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Message-ID: <20070927103122.GB27783@gamma.logic.tuwien.ac.at>
Date:	Thu, 27 Sep 2007 12:31:22 +0200
From:	Norbert Preining <preining@...ic.at>
To:	ext2-devel@...ts.sourceforge.net,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: kernel Oops in ext3 code

Hi all!

(Please Cc)

kernel 2.6.23-rc6
Debian/sid

kernel ooops:

BUG: unable to handle kernel paging request at virtual address 1000004b
 printing eip:
 c0195bd3
 *pde = 00000000
 Oops: 0000 [#1]
 PREEMPT SMP 
 Modules linked in: vboxdrv binfmt_misc fuse coretemp hwmon gspca videodev v4l2_common v4l1_compat iwl3945 mac80211 tifm_7xx1 tifm_core joydev irda crc_ccitt 8250_pnp 8250 serial_core firewire_ohci firewire_core crc_itu_t
 CPU:    0
 EIP:    0060:[<c0195bd3>]    Not tainted VLI
 EFLAGS: 00010206   (2.6.23-rc6 #1)
 EIP is at ext3_discard_reservation+0x18/0x4d
 eax: dff23800   ebx: 10000033   ecx: dfc15ec0   edx: ffffffff
 esi: c0007c44   edi: 10000033   ebp: dfc2bef4   esp: dfc2beac
 ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
 Process kswapd0 (pid: 261, ti=dfc2a000 task=dfcac570 task.ti=dfc2a000)
 Stack: c0007ba4 c0007c44 10000033 c019ec51 c0007c44 c0007d8c 0000002c c0171b1b 
        0000002c c0007c44 c0007c4c c0171da2 c050880c 00000000 00000080 00000080 
        c0171fb8 00000080 c0007e48 df9e3910 00007404 c03f5634 00000080 000000d0 
 Call Trace:
  [<c019ec51>] ext3_clear_inode+0x5d/0x76
  [<c0171b1b>] clear_inode+0x6b/0xb9
  [<c0171da2>] dispose_list+0x48/0xc9
  [<c0171fb8>] shrink_icache_memory+0x195/0x1bd
  [<c014f5ec>] shrink_slab+0xe2/0x159
  [<c014f9a0>] kswapd+0x2d3/0x431
  [<c0132520>] autoremove_wake_function+0x0/0x33
  [<c014f6cd>] kswapd+0x0/0x431
  [<c0132453>] kthread+0x38/0x5d
  [<c013241b>] kthread+0x0/0x5d
  [<c0104b73>] kernel_thread_helper+0x7/0x10
  =======================
 Code: 83 f8 01 19 c0 f7 d0 83 e0 08 89 42 0c 89 56 b4 5b 5e c3 57 56 89 c6 53 8b 58 b4 8b 80 a4 00 00 00 85 db 8b 80 78 01 00 00 74 30 <83> 7b 18 00 74 2a 8d b8 00 03 00 00 89 f8 e8 b8 ca 1a 00 83 7b 
 EIP: [<c0195bd3>] ext3_discard_reservation+0x18/0x4d SS:ESP 0068:dfc2beac


Sysrq did work, so the oops was saved. Good.

Any ideas?

Best wishes

Norbert

-------------------------------------------------------------------------------
Dr. Norbert Preining <preining@...ic.at>        Vienna University of Technology
Debian Developer <preining@...ian.org>                         Debian TeX Group
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
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