[Bug 36173] Re: oopses somewhere in radeon

[Colin Watson]

I just had pretty much the same crash on Edgy (libc6 and a few other
minor things upgraded to Feisty, everything else as-is):

[245630.174214] Machine check in kernel mode.
[245630.174227] Caused by (from SRR1=149030): Transfer error ack signal
[245630.174238] Oops: Machine check, sig: 7 [#1]
[245630.174244]
[245630.174247] Modules linked in: uinput isofs udf binfmt_misc rfcomm l2cap ppdev lp parport radeon drm ipv6 cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand cpufreq_conservative dm_mod md_mod fuse therm_adt746x sr_mod af_packet snd_powermac sbp2 scsi_mod apm_emu hci_usb prism54 bluetooth pcmcia snd_aoa_i2sbus snd_pcm_oss snd_mixer_oss bcm43xx snd_pcm snd_timer snd_page_alloc yenta_socket rsrc_nonstatic pcmcia_core sungem sungem_phy ieee80211softmac snd soundcore snd_aoa_soundbus ieee80211 ieee80211_crypt pmac_zilog serial_core uninorth_agp agpgart evdev tsdev usbhid ext3 jbd ohci1394 ieee1394 ehci_hcd ohci_hcd usbcore ide_cd cdrom ide_disk capability commoncap
[245630.174317] NIP: E26B3A40 LR: E2616944 CTR: E26B3A88
[245630.174324] REGS: dbc3ddd0 TRAP: 0200   Not tainted  (2.6.17-10-powerpc)
[245630.174330] MSR: 00149030 <EE,ME,IR,DR>  CR: 24004422  XER: 00000000
[245630.174342] TASK = dd292210[4071] 'Xorg' THREAD: dbc3c000
[245630.174346] GPR00: 3B1083C7 DBC3DE80 DD292210 00000090 0000002A 0000002A 0000002A 00000098
[245630.174359] GPR08: 00000094 E2640000 0003FFFF DB923B60 24004428 101DCF5C 101D5230 101D5160
[245630.174372] GPR16: 101D525C 101D5150 7FE22408 101D51CC 7FE22670 00000000 101D5A44 00000000
[245630.174385] GPR24: DB3F8C60 E2620000 DCC03A80 20006444 DAE1E460 000000A4 DC64C024 DACAD400
[245630.174398] NIP [E26B3A40] radeon_do_cp_idle+0x1c8/0x210 [radeon]
[245630.174422] LR [E2616944] drm_ioctl+0xd8/0x23c [drm]
[245630.174455] Call Trace:
[245630.174459] [DBC3DE80] [00002000] 0x2000 (unreliable)
[245630.174470] [DBC3DEA0] [E2616944] drm_ioctl+0xd8/0x23c [drm]
[245630.174486] [DBC3DED0] [C00936A8] do_ioctl+0x80/0x84
[245630.174497] [DBC3DEE0] [C0093730] vfs_ioctl+0x84/0x3f4
[245630.174505] [DBC3DF10] [C0093B30] sys_ioctl+0x90/0xa0
[245630.174513] [DBC3DF40] [C0011A94] ret_from_syscall+0x0/0x38
[245630.174526] --- Exception: c01 at 0xfcfa240
[245630.174534]     LR = 0xfd81d34
[245630.174538] Instruction dump:
[245630.174542] 0c000000 4c00012c 80010024 7fe3fb78 bba10014 38210020 7c0803a6 4bfff6b0
[245630.174555] 817f00d8 812b0010 38090710 7c00042c <0c000000> 4c00012c 4bffffa4 817f00d8
[245630.174568]  Machine check in kernel mode.
[245630.174594] Caused by (from SRR1=149030): Transfer error ack signal
[245630.174599] Oops: Machine check, sig: 7 [#2]
[245630.174602]
[245630.174604] Modules linked in: uinput isofs udf binfmt_misc rfcomm l2cap ppdev lp parport radeon drm ipv6 cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand cpufreq_conservative dm_mod md_mod fuse therm_adt746x sr_mod af_packet snd_powermac sbp2 scsi_mod apm_emu hci_usb prism54 bluetooth pcmcia snd_aoa_i2sbus snd_pcm_oss snd_mixer_oss bcm43xx snd_pcm snd_timer snd_page_alloc yenta_socket rsrc_nonstatic pcmcia_core sungem sungem_phy ieee80211softmac snd soundcore snd_aoa_soundbus ieee80211 ieee80211_crypt pmac_zilog serial_core uninorth_agp agpgart evdev tsdev usbhid ext3 jbd ohci1394 ieee1394 ehci_hcd ohci_hcd usbcore ide_cd cdrom ide_disk capability commoncap
[245630.174651] NIP: C0135A6C LR: C0135A4C CTR: 00000006
[245630.174656] REGS: c1f83e40 TRAP: 0200   Not tainted  (2.6.17-10-powerpc)
[245630.174660] MSR: 00149030 <EE,ME,IR,DR>  CR: 22000042  XER: 20000000
[245630.174669] TASK = dffc0600[4] 'events/0' THREAD: c1f82000
[245630.174673] GPR00: 2C01004C C1F83EF0 DFFC0600 00000000 C1F83ED8 0000000C 000186B0 00000001
[245630.174682] GPR08: E1018000 C02C0000 C214104C 00000062 82000028 00000000 016AB5F0 00241B00
[245630.174692] GPR16: 00241AB8 00241AB4 01646FF4 016AAFA0 01646F04 016AB5E8 01647B38 016AB1BC
[245630.174702] GPR24: 00000000 C02BCE80 DFFC8C60 00000001 DFFC8240 0000000F 001E8480 00000000
[245630.174711] NIP [C0135A6C] radeon_set_backlight_enable+0xb4/0x780
[245630.174721] LR [C0135A4C] radeon_set_backlight_enable+0x94/0x780
[245630.174728] Call Trace:
[245630.174731] [C1F83EF0] [C0135A4C] radeon_set_backlight_enable+0x94/0x780 (unreliable)
[245630.174740] [C1F83F20] [C00236E8] backlight_callback+0x14c/0x15c
[245630.174751] [C1F83F50] [C003DF58] run_workqueue+0xa4/0x11c
[245630.174762] [C1F83F70] [C003E5FC] worker_thread+0x124/0x148
[245630.174770] [C1F83FC0] [C0041F38] kthread+0xc0/0xfc
[245630.174779] [C1F83FF0] [C0012C50] kernel_thread+0x44/0x60
[245630.174788] Instruction dump:
[245630.174791] 3fc0001e 7f43d378 63de8480 4befff41 3be00000 48000010 4bed7f2d 7f9ff000
[245630.174801] 419e0638 811c0358 38080e40 7c00042c <0c000000> 4c00012c 5400067e 3bff0001

** Changed in: linux-source-2.6.15 (Ubuntu)
Sourcepackagename: linux-source-2.6.15 => linux-source-2.6.17
       Status: Needs Info => Confirmed

-- 
oopses somewhere in radeon
https://launchpad.net/bugs/36173