linux-kernel - Oops: 0000 [#1] PREEMPT SMP

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Message-ID:  <863ank6zmd.fsf@acer.nord-com.it>
Date:	Wed, 11 Jun 2008 12:21:30 +0200
From:	Walter Franzini <walter.franzini@...il.com>
To:	linux-kernel@...r.kernel.org
Subject:  Oops: 0000 [#1] PREEMPT SMP

With 2.6.25.6 I've got the following oops while running aegis.

Not sure it matters but:

* the program is setuid root
* after getting the oops the program seems to be still in execution
  and cannot be killed even by kill -9.  So I'm going to reboot :-(

------------------------------------------------------------------------
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: appletalk ipx p8023 cpufreq_ondemand xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables tun ppdev lp fuse sbp2 acpi_cpufreq freq_table joydev arc4 ecb crypto_blkcipher pcmcia snd_hda_intel iwl3945 snd_pcm_oss snd_mixer_oss snd_pcm firmware_class iTCO_wdt mac80211 yenta_socket pcspkr snd_timer container rsrc_nonstatic pcmcia_core serio_raw cfg80211 i2c_i801 bay ac wmi i2c_core irda snd battery soundcore snd_page_alloc psmouse button evdev intel_agp agpgart sg crc_ccitt parport_pc parport sr_mod cdrom rtc ext3 jbd mbcache dm_mirror dm_snapshot dm_mod sd_mod usbhid hid ata_piix ohci1394 ieee1394 ata_generic libata ehci_hcd uhci_hcd scsi_mod usbcore e1000 dock thermal processor fan

Pid: 20443, comm: aegis Not tainted (2.6.25.6-0 #1)
EIP: 0060:[<c014d949>] EFLAGS: 00210016 CPU: 1
EIP is at get_page_from_freelist+0x171/0x397
EAX: c033560c EBX: 001200d2 ECX: 7c30302e EDX: 00000002
ESI: c0335600 EDI: 00200202 EBP: 7c303016 ESP: f48e9ce8
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process aegis (pid: 20443, ti=f48e8000 task=f4871640 task.ti=f48e8000)
Stack: c3c85e28 00000002 00000000 001200d2 c0336050 c0335580 00000002 00000000
       00000000 00200292 001200d2 001200d2 c0336048 00000000 c014dcef 00000044
       001200d2 00000010 f7106e10 f4871640 00001000 c033604c c02a582c 001200d2
Call Trace:
 [<c014dcef>] __alloc_pages+0x5f/0x2b4
 [<c02a582c>] _read_unlock_irq+0xe/0x21
 [<c014987b>] __grab_cache_page+0x56/0x86
 [<f89d2932>] ext3_write_begin+0x51/0x16d [ext3]
 [<c014a253>] generic_file_buffered_write+0xf8/0x56f
 [<c011590f>] update_curr+0x3d/0x52
 [<c014ab1a>] __generic_file_aio_write_nolock+0x450/0x4b2
 [<c0149326>] file_read_actor+0x7d/0xcc
 [<c014abce>] generic_file_aio_write+0x52/0xa9
 [<f89cf1d1>] ext3_file_write+0x19/0x83 [ext3]
 [<c0164194>] do_sync_write+0xbf/0x100
 [<c012e3c0>] autoremove_wake_function+0x0/0x2d
 [<c0134c0a>] clockevents_program_event+0xc4/0xd2
 [<c02a5555>] _spin_lock_irq+0xe/0x24
 [<c01a7adc>] security_file_permission+0xc/0xd
 [<c01640d5>] do_sync_write+0x0/0x100
 [<c016489b>] vfs_write+0x83/0xf6
 [<c0164dd1>] sys_write+0x3c/0x63
 [<c01047ae>] sysenter_past_esp+0x5f/0x85
 =======================
Code: 3b 8d 69 e8 8b 4d 1c 0f 18 01 90 8d 55 18 8d 46 0c 39 c2 75 e3 eb 25 8b 6e 0c 83 ed 18 eb 0c 8b 54 24 18 39 55 0c 74 14 8d 69 e8 <8b> 4d 18 0f 18 01 90 8d 55 18 8d 46 0c 39 c2 75 e3 8d 55 18 8d
EIP: [<c014d949>] get_page_from_freelist+0x171/0x397 SS:ESP 0068:f48e9ce8
---[ end trace abef59c84226d498 ]---
note: aegis[20443] exited with preempt_count 1
------------------------------------------------------------------------
--
Walter Franzini
http://aegis.stepbuild.org/

PGP Public key ID: 1024D/CB3FEB43
Key fingerprint  : FA26 C33B CAFF 7848 EFEB  7327 96AA 2D57 CB3F EB43
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