[Bug 54907] kernel oops

Rkimber rkimber at ntlworld.com
Fri Aug 4 11:25:04 UTC 2006


Public bug reported:

Kernel oops2.6.15-26-amd64-k8
Dapper updated
dual opteron
X Window System Version 7.0.0
Release Date: 21 December 2005
X Protocol Version 11, Revision 0, Release 7.0
Build Operating System:Linux 2.6.15.7 x86_64
Current Operating System: Linux infinity 2.6.15-26-amd64-k8 #1 SMP PREEMPT Mon Jul 17 19:55:58 UTC 2006 x86_64


This webpage [https://launchpad.net/distros/ubuntu/+filebug]
has no facility for attaching files, so here is the output:-

Aug  2 08:29:57 infinity kernel: [39506.973834] Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:
Aug  2 08:32:19 infinity kernel: [39506.973845] <ffffffff8029ec6a>{skb_dequeue+58}
Aug  2 08:32:19 infinity kernel: [39506.973860] PGD 7c910067 PUD 7bb94067 PMD 0
Aug  2 08:32:19 infinity kernel: [39506.973865] Oops: 0002 [1] PREEMPT SMP
Aug  2 08:32:19 infinity kernel: [39506.973869] CPU 0
Aug  2 08:32:19 infinity kernel: [39506.973871] Modules linked in: binfmt_misc 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 ipv6 ppdev cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative nls_iso8859_1 nls_cp437 vfat fat md_mod dm_mod w83627hf hwmon_vid eeprom i2c_isa lp snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq sg tsdev snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device sd_mod parport_pc parport shpchp pci_hotplug i2c_viapro pcspkr snd tg3 psmouse serio_raw soundcore i2c_core evdev ext3 jbd usb_storage scsi_mod ide_generic ehci_hcd uhci_hcd usbcore ide_disk via82cxxx generic ide_cd cdrom pdc202xx_new thermal processor fan capability commoncap vga16fb cfbcopyarea vgastate cfbimgblt cfbfillrect fbcon tileblit font bitblit softcu
Aug  2 08:32:19 infinity kernel: sor
Aug  2 08:32:19 infinity kernel: [39506.973925] Pid: 4598, comm: Xorg Not tainted 2.6.15-26-amd64-k8 #1
Aug  2 08:32:19 infinity kernel: [39506.973929] RIP: 0010:[skb_dequeue+58/112] <ffffffff8029ec6a>{skb_dequeue+58}
Aug  2 08:32:19 infinity kernel: [39506.973936] RSP: 0018:ffff81007a845c48  EFLAGS: 00010003
Aug  2 08:32:19 infinity kernel: [39506.973941] RAX: 0000000000000000 RBX: ffff810069a6b520 RCX: ffff810069a6b6c0
Aug  2 08:32:19 infinity kernel: [39506.973945] RDX: 0000000000000202 RSI: 0000000000000202 RDI: ffff810069a6b534
Aug  2 08:32:19 infinity kernel: [39506.973950] RBP: ffff81007f1769c0 R08: 0000000000000001 R09: ffff810067888d10
Aug  2 08:32:19 infinity belkinunv[5011]: No response from UPS
Aug  2 08:32:19 infinity upsd[5013]: Data for UPS [myups] is stale - check driver
Aug  2 08:32:19 infinity kernel: [39506.973954] R10: 0000000000000323 R11: 0000000000003246 R12: ffff810069a6b534
Aug  2 08:32:19 infinity kernel: [39506.973960] R13: ffff81007a845d80 R14: ffff810067888cc0 R15: ffff81007a845d48
Aug  2 08:32:19 infinity upsmon[5016]: Communications with UPS myups at localhost lost
Aug  2 08:32:19 infinity kernel: [39506.973964] FS:  00002aaaab7acce0(0000) GS:ffffffff8044a800(0000) knlGS:0000000000000000
Aug  2 08:32:19 infinity kernel: [39506.973968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug  2 08:32:19 infinity kernel: [39506.973972] CR2: 0000000000000008 CR3: 000000007a912000 CR4: 00000000000006e0
Aug  2 08:32:19 infinity kernel: [39506.973977] Process Xorg (pid: 4598, threadinfo ffff81007a844000, task ffff81007de29780)
Aug  2 08:32:19 infinity kernel: [39506.973980] Stack: 0000000000000040 ffff810069a6b480 ffff81007a845d80 ffffffff80309d68
Aug  2 08:32:19 infinity kernel: [39506.973989]        ffff810069a6b6fc ffff810069a6b6c0 ffff810069a6b520 ffff81007f176a18
Aug  2 08:32:19 infinity kernel: [39506.973996]        000000407a845d48 0000000000000ffc
Aug  2 08:32:19 infinity kernel: [39506.974000] Call Trace:<ffffffff80309d68>{unix_stream_recvmsg+392} <ffffffff80315890>{thread_return+0}
Aug  2 08:32:19 infinity kernel: [39506.974035]        <ffffffff8029be52>{sock_aio_read+322} <ffffffff80134c43>{__wake_up+67}
Aug  2 08:32:19 infinity kernel: [39506.974053]        <ffffffff801a57d5>{poll_freewait+85} <ffffffff8018ffdd>{do_sync_read+205}
Aug  2 08:32:19 infinity kernel: [39506.974078]        <ffffffff801a57f0>{__pollwait+0} <ffffffff80155550>{autoremove_wake_function+0}
Aug  2 08:32:19 infinity kernel: [39506.974102]        <ffffffff80190411>{vfs_read+241} <ffffffff80191063>{sys_read+83}
Aug  2 08:32:19 infinity kernel: [39506.974121]        <ffffffff8010febe>{system_call+126}
Aug  2 08:32:19 infinity kernel: [39506.974143]
Aug  2 08:32:19 infinity kernel: [39506.974144] Code: 48 89 58 08 48 c7 45 00 00 00 00 00 48 c7 45 08 00 00 00 00
Aug  2 08:32:19 infinity kernel: [39506.974155] RIP <ffffffff8029ec6a>{skb_dequeue+58} RSP <ffff81007a845c48>
Aug  2 08:32:19 infinity kernel: [39506.974162] CR2: 0000000000000008
Aug  2 08:32:19 infinity kernel: [39506.974165]  <6>note: Xorg[4598] exited with preempt_count 1
Aug  2 08:32:19 infinity kernel: [39516.966052] BUG: soft lockup detected on CPU#0!
Aug  2 08:32:19 infinity kernel: [39516.966059] CPU 0:
Aug  2 08:32:19 infinity kernel: [39516.966062] Modules linked in: binfmt_misc 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 ipv6 ppdev cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative nls_iso8859_1 nls_cp437 vfat fat md_mod dm_mod w83627hf hwmon_vid eeprom i2c_isa lp snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq sg tsdev snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device sd_mod parport_pc parport shpchp pci_hotplug i2c_viapro pcspkr snd tg3 psmouse serio_raw soundcore i2c_core evdev ext3 jbd usb_storage scsi_mod ide_generic ehci_hcd uhci_hcd usbcore ide_disk via82cxxx generic ide_cd cdrom pdc202xx_new thermal processor fan capability commoncap vga16fb cfbcopyarea vgastate cfbimgblt cfbfillrect fbcon tileblit font bitblit softcu
Aug  2 08:32:19 infinity kernel: sor
Aug  2 08:32:19 infinity kernel: [39516.966131] Pid: 4598, comm: Xorg Not tainted 2.6.15-26-amd64-k8 #1
Aug  2 08:32:19 infinity kernel: [39516.966135] RIP: 0010:[_spin_lock_irqsave+99/128] <ffffffff80316f93>{_spin_lock_irqsave+99}
Aug  2 08:32:19 infinity kernel: [39516.966143] RSP: 0018:ffff81007a8458e8  EFLAGS: 00000202
Aug  2 08:32:19 infinity kernel: [39516.966147] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8100742881f8
Aug  2 08:32:19 infinity kernel: [39516.966151] RDX: 0000000000000202 RSI: 0000000000000206 RDI: 0000000000000001
Aug  2 08:32:19 infinity kernel: [39516.966156] RBP: ffff8100683313b8 R08: 0000000000000000 R09: ffff81007dc66e00
Aug  2 08:32:19 infinity kernel: [39516.966159] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
Aug  2 08:32:19 infinity kernel: [39516.966164] R13: ffff8100683313b8 R14: 0000000000000000 R15: 0000000000000000
Aug  2 08:32:19 infinity kernel: [39516.966169] FS:  00002aaaab7acce0(0000) GS:ffffffff8044a800(0000) knlGS:0000000000000000
Aug  2 08:32:19 infinity kernel: [39516.966173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug  2 08:32:19 infinity kernel: [39516.966176] CR2: 0000000000000008 CR3: 0000000000101000 CR4: 00000000000006e0
Aug  2 08:32:19 infinity kernel: [39516.966179]
Aug  2 08:32:19 infinity kernel: [39516.966180] Call Trace:<ffffffff80316f79>{_spin_lock_irqsave+73} <ffffffff8029ec51>{skb_dequeue+33}
Aug  2 08:32:19 infinity kernel: [39516.966200]        <ffffffff8030ac51>{unix_release_sock+465} <ffffffff80299c59>{sock_release+25}
Aug  2 08:32:19 infinity kernel: [39516.966218]        <ffffffff8029a4e5>{sock_close+53} <ffffffff80191792>{__fput+178}
Aug  2 08:32:19 infinity kernel: [39516.966229]        <ffffffff8018e648>{filp_close+104} <ffffffff8013f28a>{put_files_struct+122}
Aug  2 08:32:19 infinity kernel: [39516.966250]        <ffffffff80140497>{do_exit+599} <ffffffff8026142e>{do_unblank_screen+110}
Aug  2 08:32:19 infinity kernel: [39516.966269]        <ffffffff80127344>{do_page_fault+1908} <ffffffff80138c3d>{try_to_wake_up+1005}
Aug  2 08:32:19 infinity kernel: [39516.966289]        <ffffffff80134bc3>{__wake_up_common+67} <ffffffff80110c29>{error_exit+0}
Aug  2 08:32:19 infinity kernel: [39516.966318]        <ffffffff8029ec6a>{skb_dequeue+58} <ffffffff8029ec51>{skb_dequeue+33}
Aug  2 08:32:19 infinity kernel: [39516.966341]        <ffffffff80309d68>{unix_stream_recvmsg+392} <ffffffff80315890>{thread_return+0}
Aug  2 08:32:19 infinity kernel: [39516.966365]        <ffffffff8029be52>{sock_aio_read+322} <ffffffff80134c43>{__wake_up+67}
Aug  2 08:32:19 infinity kernel: [39516.966382]        <ffffffff801a57d5>{poll_freewait+85} <ffffffff8018ffdd>{do_sync_read+205}
Aug  2 08:32:19 infinity kernel: [39516.966406]        <ffffffff801a57f0>{__pollwait+0} <ffffffff80155550>{autoremove_wake_function+0}
Aug  2 08:32:19 infinity kernel: [39516.966429]        <ffffffff80190411>{vfs_read+241} <ffffffff80191063>{sys_read+83}
Aug  2 08:32:19 infinity kernel: [39516.966449]        <ffffffff8010febe>{system_call+126}

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

-- 
kernel oops
https://launchpad.net/bugs/54907




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