[Bug 44051] video related crash

[Rkimber]

Public bug reported:

Screen suddenly becomes scrambled and machine crashes with kernel oops:-

May 10 17:45:50 infinity kernel: [27162.978729] Unable to handle kernel paging request at ffff8100575d05b8 RIP:
May 10 17:45:50 infinity kernel: [27162.978739] [phys_startup_64+1464665272/2147483392]
May 10 17:45:50 infinity kernel: [27162.978757] PGD 8063 PUD a063 PMD 80000000574001e3 PTE ffffff35e90002e8
May 10 17:45:50 infinity kernel: [27162.978765] Oops: 0011 [1] PREEMPT SMP
May 10 17:45:50 infinity kernel: [27162.978769] CPU 0
May 10 17:45:50 infinity kernel: [27162.978772] 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 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 nls_iso8859_1 nls_cp437 vfat fat ipv6 dm_mod md_mod w83627hf hwmon_vid eeprom i2c_isa lp snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event tsdev snd_seq parport_pc parport psmouse rtc snd_via82xx pcspkr serio_raw 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 snd i2c_viapro nvidia i2c_core tg3 soundcore shpchp pci_hotplug sg evdev sd_mod 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
May 10 17:45:50 infinity kernel: apability commoncap vga16fb cfbcopyarea vgastate cfbimgblt cfbfillrect fbcon tileblit font bitblit softcursor
May 10 17:45:50 infinity kernel: [27162.978833] Pid: 4912, comm: Xorg Tainted: P      2.6.15-22-amd64-generic #1
May 10 17:45:50 infinity kernel: [27162.978837] RIP: 0010:[phys_startup_64+1464665272/2147483392] [phys_startup_64+1464665272/2147483392]
May 10 17:45:50 infinity kernel: [27162.978843] RSP: 0018:ffff810078983d98  EFLAGS: 00010296
May 10 17:45:50 infinity kernel: [27162.978847] RAX: 0000000000000004 RBX: 7fffffffffffffff RCX: 0000000000000000
May 10 17:45:50 infinity kernel: [27162.978852] RDX: 0000000000000000 RSI: ffff810074df2340 RDI: ffff810002c0e880
May 10 17:45:50 infinity kernel: [27162.978858] RBP: 00000000032b7000 R08: ffff810078982000 R09: ffff81007dfdd1c0
May 10 17:45:50 infinity kernel: [27162.978862] R10: ffff810002c16900 R11: ffff81008278b000 R12: 0000000000000024
May 10 17:45:50 infinity kernel: [27162.978866] R13: 000000000000001c R14: 0000000000000000 R15: 0000000000000000
May 10 17:45:50 infinity kernel: [27162.978871] FS:  00002aaaab7acce0(0000) GS:ffffffff80444800(0000) knlGS:0000000000000000
May 10 17:45:50 infinity kernel: [27162.978875] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
May 10 17:45:50 infinity kernel: [27162.978879] CR2: ffff8100575d05b8 CR3: 000000007e9e9000 CR4: 00000000000006e0
May 10 17:45:50 infinity kernel: [27162.978884] Process Xorg (pid: 4912, threadinfo ffff810078982000, task ffff810074df2340)
May 10 17:45:50 infinity kernel: [27162.978887] Stack: 0000000000003216 ffffffff8017aa7b ffff810074df2918 ffff810078983e78
May 10 17:45:50 infinity kernel: [27162.978896]        0000000174df2340 ffff810069682400 0000000000000202 ffff8100647accc0
May 10 17:45:50 infinity kernel: [27162.978903]        0000000000000024 ffffffff801a3214
May 10 17:45:50 infinity kernel: [27162.978907] Call Trace:<ffffffff8017aa7b>{__handle_mm_fault+1131} <ffffffff801a3214>{do_select+1140}
May 10 17:45:50 infinity kernel: [27162.978935]        <ffffffff801a2cb0>{__pollwait+0} <ffffffff80154c80>{autoremove_wake_function+0}
May 10 17:45:50 infinity kernel: [27162.978965]        <ffffffff801a3914>{sys_select+692} <ffffffff8010fede>{system_call+126}
May 10 17:45:50 infinity kernel: [27162.978996]
May 10 17:45:50 infinity kernel: [27162.979012]
May 10 17:45:50 infinity kernel: [27162.979013] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
May 10 17:45:50 infinity kernel: [27162.979022] RIP [phys_startup_64+1464665272/2147483392] RSP <ffff810078983d98>
May 10 17:45:50 infinity kernel: [27162.979029] CR2: ffff8100575d05b8

Latest dapper updates with 2.6.15-22-amd64-generic, nvidia driver
FX5200, dual opteron.

** Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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video related crash
https://launchpad.net/bugs/44051