Darko K. wrote: > I've just experienced a kernel crash when resuming from hibernation > (suspend to disk). System was still operational so I was able to gather > dmesg output before rebooting the machine (dmesg output is attached > to this mail). This is first time this has happened with 2.6.31. I was > getting occasional crash when resuming from hibernation with 2.6.28.4 > although I was never able to capture dmesg output as machine was just > frozen, I could not even ping it. > > My hardware is: > - Intel G41 chipset > - 2GB RAM > - Intel Pentium E5200 > > System has been running for a few days with at least one hibernation > per day (sometimes more) and one suspend to RAM (for testing purposes). > /usr/sbin/s2disk is used to put system into hibernation. > > OS is Debian testing running kernel 2.6.31, X.Org 1.6.3. Intel > video driver 2.8.1.
The crash looks to be in i915 drm/gem. Adding relevant developers in CC. BUG: unable to handle kernel NULL pointer dereference at 00000040 IP: [<c11ebabe>] i915_gem_free_object+0xe/0xb0 *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/devices/platform/it87.656/fan1_input Modules linked in: it87 hwmon_vid coretemp fuse snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm snd_timer snd sr_mod snd_page_alloc Pid: 21713, comm: Xorg Not tainted (2.6.31 #10) EG41MF-S2H EIP: 0060:[<c11ebabe>] EFLAGS: 00013282 CPU: 0 EIP is at i915_gem_free_object+0xe/0xb0 EAX: f6e369c0 EBX: f6e369c0 ECX: 00000000 EDX: c11ebab0 ESI: 00000000 EDI: f7268400 EBP: f44a1df8 ESP: f44a1dec DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process Xorg (pid: 21713, ti=f44a0000 task=e76765d0 task.ti=f44a0000) Stack: f7268400 f6e369c0 f69f1f24 f44a1e08 c11d3d74 f6e369c0 c11d3d50 f44a1e18 <0> c1157e1d f6e369c0 f7268414 f44a1e34 c11d3eb7 0000010f f7268400 f44a1e74 <0> c142d74c f44a1e74 f44a1f00 c11d282a 00000001 c13b81ae c1340676 c13c4dcc Call Trace: [<c11d3d74>] ? drm_gem_object_free+0x24/0x60 [<c11d3d50>] ? drm_gem_object_free+0x0/0x60 [<c1157e1d>] ? kref_put+0x2d/0x60 [<c11d3eb7>] ? drm_gem_close_ioctl+0x97/0xc0 [<c11d282a>] ? drm_ioctl+0x18a/0x390 [<c11d3e20>] ? drm_gem_close_ioctl+0x0/0xc0 [<c106f5c8>] ? __dec_zone_page_state+0x18/0x20 [<c1079f35>] ? page_remove_rmap+0x25/0x30 [<c106ee42>] ? vma_prio_tree_remove+0x72/0xf0 [<c1098dc0>] ? vfs_ioctl+0x80/0x90 [<c1099282>] ? do_vfs_ioctl+0x3e2/0x5e0 [<c1076806>] ? remove_vma+0x46/0x60 [<c1076806>] ? remove_vma+0x46/0x60 [<c1076806>] ? remove_vma+0x46/0x60 [<c107772a>] ? do_munmap+0x22a/0x280 [<c10994b9>] ? sys_ioctl+0x39/0x70 [<c1002f21>] ? syscall_call+0x7/0xb Code: 00 20 75 10 89 d8 e8 c2 96 fe ff 89 d8 e8 6b fc ff ff 89 c2 89 d0 5b c9 c3 8d 74 26 00 55 89 e5 57 56 53 89 c3 8b 78 08 8b 70 50 <8b> 46 40 85 c0 7e 11 8d 76 00 89 d8 e8 51 d4 ff ff 8b 46 40 85 EIP: [<c11ebabe>] i915_gem_free_object+0xe/0xb0 SS:ESP 0068:f44a1dec CR2: 0000000000000040 ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel