On Mon, 2009-08-17 at 14:40 -0700, Robert Fleming wrote:
> Package: linux-image-2.6.26-2-686
> Version: 2.6.26-17lenny2
> Severity: normal
>
> I have this in my /var/log/kern.log:
> Aug 17 11:54:27 mizar kernel: [8806733.883881] Not cloning cgroup for unused subsystem ns
> Aug 17 11:55:38 mizar kernel: [8806840.228151] ------------[ cut here ]------------
> Aug 17 11:55:38 mizar kernel: [8806840.228160] kernel BUG at kernel/exit.c:822!
> Aug 17 11:55:38 mizar kernel: [8806840.228164] invalid opcode: 0000 [#1] SMP
> Aug 17 11:55:38 mizar kernel: [8806840.228170] Modules linked in: udf crc_itu_t visor usbserial ext2 xt_mac ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nls_utf8 nls_cp437 vfat fat usb_storage isofs nls_base zlib_inflate xt_multiport iptable_filter ip_tables x_tables binfmt_misc nvidia(P) agpgart rfcomm l2cap ppdev lp autofs4 tun ipv6 nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc fuse dm_snapshot dm_mirror dm_log dm_mod sbp2 loop snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device parport_pc parport snd button soundcore hci_usb rng_core pcspkr i2c_i801 snd_page_alloc bluetooth iTCO_wdt e752x_edac i2c_core shpchp pci_hotplug edac_core evdev dcdbas ext3 jbd mbcache usbhid hid ff_memless raid1 md_mod ide_cd_mod cdrom sd_mod piix ide_pci_generic ide_core floppy ohci1394 ata_piix ieee1394 ata_generic libata scsi_mod dock ehci_hcd uhci_!
> hcd usbcore e1000 thermal processor
> Aug 17 11:55:38 mizar kernel: an thermal_sys
> Aug 17 11:55:38 mizar kernel: [8806840.228301]
> Aug 17 11:55:38 mizar kernel: [8806840.228306] Pid: 17496, comm: chrome Tainted: P (2.6.26-2-686 #1)
> Aug 17 11:55:38 mizar kernel: [8806840.228311] EIP: 0060:[<c012527d>] EFLAGS: 00210287 CPU: 0
> Aug 17 11:55:38 mizar kernel: [8806840.228320] EIP is at do_exit+0x40c/0x5bb
> Aug 17 11:55:38 mizar kernel: [8806840.228324] EAX: f74c0780 EBX: f74c0658 ECX: f74c0780 EDX: f74c073c
> Aug 17 11:55:38 mizar kernel: [8806840.228328] ESI: f74c0660 EDI: f74c0658 EBP: f74c0660 ESP: f221bf80
> Aug 17 11:55:38 mizar kernel: [8806840.228332] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> Aug 17 11:55:38 mizar kernel: [8806840.228336] Process chrome (pid: 17496, ti=f221a000 task=f74c0660 task.ti=f221a000)
> Aug 17 11:55:38 mizar kernel: [8806840.228340] Stack: 00000000 00000000 f221bf88 f221bf88 d047f380 f7492d00 00000000 f221a000
> Aug 17 11:55:38 mizar kernel: [8806840.228351] c0125490 00000000 bf8bf594 bf8bfbfb c01254c6 c0103853 00000000 00000000
> Aug 17 11:55:38 mizar kernel: [8806840.228361] 00000000 bf8bf594 bf8bfbfb bf8bf9c8 000000fc 0000007b 0000007b 00000000
> Aug 17 11:55:38 mizar kernel: [8806840.228371] Call Trace:
> Aug 17 11:55:38 mizar kernel: [8806840.228400] [<c0125490>] do_group_exit+0x64/0x8d
> Aug 17 11:55:38 mizar kernel: [8806840.228417] [<c01254c6>] sys_exit_group+0xd/0x10
> Aug 17 11:55:38 mizar kernel: [8806840.228423] [<c0103853>] sysenter_past_esp+0x78/0xb1
> Aug 17 11:55:38 mizar kernel: [8806840.228482] =======================
> Aug 17 11:55:38 mizar kernel: [8806840.228484] Code: dc 00 00 00 39 c2 75 ce f0 81 05 00 ea 36 c0 00 00 00 01 fb 0f 1f 84 00 00 00 00 00 90 8d 86 20 01 00 00 39 86 20 01 00 00 74 04 <0f> 0b eb fe 39 96 dc 00 00 00 74 04 0f 0b eb fe 8b 5c 24 08 81
> Aug 17 11:55:38 mizar kernel: [8806840.228541] EIP: [<c012527d>] do_exit+0x40c/0x5bb SS:ESP 0068:f221bf80
> Aug 17 11:55:38 mizar kernel: [8806840.228558] ---[ end trace 4090fef249e8d577 ]---
> Aug 17 11:55:38 mizar kernel: [8806840.228562] Fixing recursive fault but reboot is needed!
>
> At the moment, the process mentioned is still showing up in the output of "ps":
>
> # ps -ef|grep 17496
> flemingr 17496 1 0 11:54 ? 00:00:00 [chrome]
>
> But the chrome web browser is no-where to be found on-screen. Not sure what provoked this.
[...]
The browser tried to exit but hit a kernel bug so the process was not
properly terminated.
Can you try to reproduce this without the nvidia module loaded?
Ben.
--
Ben Hutchings
Power corrupts. Absolute power is kind of neat.
- John Lehman, Secretary of the US Navy 1981-1987
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