[Bug 62126] System freezes (responsive only to alt-sysrq)

Sun Sep 24 06:16:41 UTC 2006

Public bug reported:

Binary package hint: linux

System freezes for unknown reason. System was not actively used at the
time of freeze (1 user was logged in X though).

uname -a:
Linux shroom 2.6.15-27-386 #1 PREEMPT Sat Sep 16 01:51:59 UTC 2006 i686 GNU/Linux

messages:
Sep 23 23:36:43 localhost -- MARK --
Sep 23 23:53:34 localhost kernel: [17364530.568000] c0148f0a
Sep 23 23:53:34 localhost kernel: [17364530.568000] PREEMPT 
Sep 23 23:53:34 localhost kernel: [17364530.568000] Modules linked in: nls_cp437 isofs udf rfcomm l2cap bluetooth ipt_limit iptable_mangle ipt_LOG ipt_MASQUERADE ip_nat ipt_TOS ipt_REJECT ip_conntrack_irc ip_conntrack_ftp ipt_state ip_conntrack nfnetlink iptable_filter ip_tables ppdev speedstep_lib cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi sony_acpi pcc_acpi hotkey dev_acpi container button acpi_sbs battery ac i2c_acpi_ec i2c_core ipv6 dm_mod af_packet md_mod lp pcspkr floppy snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_seq_dummy snd_seq_oss parport_pc parport snd_seq_midi snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep psmouse matrox_w1 wire snd soundcore 3c59x mii emu10k1_gp gameport rtc serio_raw intel_agp agpgart shpchp pci_hotplug evdev tsdev usbhid ext3 jbd ide_generic uhci_hcd usbcor
Sep 23 23:53:34 localhost kernel:  ide_cd cdrom ide_disk piix generic thermal processor fan capability commoncap vga16fb vgastate fbcon tileblit font bitblit softcursor
Sep 23 23:53:34 localhost kernel: [17364530.568000] CPU:    0
Sep 23 23:53:34 localhost kernel: [17364530.568000] EIP:    0060:[free_block+106/240]    Not tainted VLI
Sep 23 23:53:34 localhost kernel: [17364530.568000] EFLAGS: 00010002   (2.6.15-27-386) 
Sep 23 23:53:34 localhost kernel: [17364530.568000] EIP is at free_block+0x6a/0xf0
Sep 23 23:53:34 localhost kernel: [17364530.568000] eax: 00000000   ebx: 0692f71b   ecx: 76ef2e6d   edx: c1000000
Sep 23 23:53:34 localhost kernel: [17364530.568000] esi: dffe8260   edi: 00000000   ebp: dffea360   esp: dff25ef8
Sep 23 23:53:34 localhost kernel: [17364530.568000] ds: 007b   es: 007b   ss: 0068
Sep 23 23:53:34 localhost kernel: [17364530.568000] Process events/0 (pid: 4, threadinfo=dff24000 task=dffcda90)
Sep 23 23:53:34 localhost kernel: [17364530.568000] Stack: dffe5e10 13cccce1 dffe5e00 dffea360 c01495e8 dffea360 dffe5e10 13cccce1 
Sep 23 23:53:34 localhost kernel: [17364530.568000]        00000000 dffea360 dffe82b0 dffea360 dffea3ac dffe8260 c01496cb dffea360 
Sep 23 23:53:34 localhost kernel: [17364530.568000]        dffe5e00 00000000 00000000 dff24000 dffe82b0 00000002 dff24000 c04055e0 
Sep 23 23:53:34 localhost kernel: [17364530.568000] Call Trace:
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [drain_array_locked+72/160] drain_array_locked+0x48/0xa0
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [cache_reap+139/448] cache_reap+0x8b/0x1c0
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [worker_thread+442/656] worker_thread+0x1ba/0x290
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [cache_reap+0/448] cache_reap+0x0/0x1c0
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [default_wake_function+0/32] default_wake_function+0x0/0x20
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [worker_thread+0/656] worker_thread+0x0/0x290
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [kthread+147/160] kthread+0x93/0xa0
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [kthread+0/160] kthread+0x0/0xa0
Sep 23 23:53:34 localhost kernel: [17364530.568000]  [kernel_thread_helper+5/16] kernel_thread_helper+0x5/0x10
Sep 23 23:53:34 localhost kernel: [17364530.568000] Code: 0f 84 7b 00 00 00 8b 44 24 18 8b 0c b8 8d 81 00 00 00 40 c1 e8 0c c1 e0 05 8b 15 30 ab 40 c0 8b 5c 10 1c 8b 44 24 20 8b 74 85 14 <8b> 13 8b 43 04 89 42 04 89 10 c7 03 00 01 10 00 c7 43 04 00 02 
Sep 23 23:53:34 localhost kernel: [17364530.568000]  <6>note: events/0[4] exited with preempt_count 1
Sep 24 00:16:43 localhost -- MARK --
Sep 24 00:36:43 localhost -- MARK --
Sep 24 00:56:43 localhost -- MARK --
Sep 24 01:16:43 localhost -- MARK --
Sep 24 01:36:44 localhost -- MARK --

** Affects: linux-meta (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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System freezes (responsive only to alt-sysrq)
https://launchpad.net/bugs/62126