ubuntu-x-swat team mailing list archive

[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

Ok that looks like something fishy in drm:

[   23.542733] ------------[ cut here ]------------
[   23.542752] WARNING: at /build/buildd/linux-2.6.32/lib/kref.c:43 kref_get+0x21/0x30()
[   23.542758] Hardware name: 1000HD
[   23.542761] Modules linked in: binfmt_misc ppdev arc4 snd_hda_codec_realtek fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_intel rfcomm snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm sco snd_seq_dummy bridge stp snd_seq_oss nfsd exportfs snd_seq_midi bnep snd_rawmidi nfs l2cap snd_seq_midi_event lockd nfs_acl auth_rpcgss snd_seq snd_timer snd_seq_device joydev ath5k sunrpc i915 snd mac80211 drm_kms_helper ath uvcvideo drm cfg80211 intel_agp soundcore videodev v4l1_compat btusb bluetooth psmouse serio_raw led_class i2c_algo_bit snd_page_alloc agpgart video eeepc_laptop output lp parport atl1e
[   23.542873] Pid: 959, comm: Xorg Not tainted 2.6.32-16-generic #23~drm33v5-Ubuntu
[   23.542878] Call Trace:
[   23.542891]  [<c014a9d2>] warn_slowpath_common+0x72/0xa0
[   23.542899]  [<c0348861>] ? kref_get+0x21/0x30
[   23.542905]  [<c0348861>] ? kref_get+0x21/0x30
[   23.542913]  [<c014aa1a>] warn_slowpath_null+0x1a/0x20
[   23.542920]  [<c0348861>] kref_get+0x21/0x30
[   23.542952]  [<f82d8003>] drm_gem_handle_create+0x83/0xa0 [drm]
[   23.542963]  [<c05a46e9>] ? mutex_lock+0x19/0x40
[   23.543003]  [<f8579968>] intel_user_framebuffer_create_handle+0x18/0x20 [i915]
[   23.543035]  [<f82e1599>] drm_mode_getfb+0x69/0xa0 [drm]
[   23.543046]  [<c01c64ad>] ? perf_mmap+0x9d/0x2d0
[   23.543070]  [<f82d67cd>] drm_ioctl+0x25d/0x3e0 [drm]
[   23.543083]  [<c01c64ad>] ? perf_mmap+0x9d/0x2d0
[   23.543106]  [<f82e1530>] ? drm_mode_getfb+0x0/0xa0 [drm]
[   23.543119]  [<c01c7936>] ? unlock_page+0x46/0x50
[   23.543127]  [<c01e2210>] ? __do_fault+0x3a0/0x490
[   23.543149]  [<f82d6570>] ? drm_ioctl+0x0/0x3e0 [drm]
[   23.543161]  [<c0213a11>] vfs_ioctl+0x21/0x90
[   23.543169]  [<c0213cf9>] do_vfs_ioctl+0x79/0x310
[   23.543177]  [<c05a7d82>] ? do_page_fault+0x152/0x380
[   23.543185]  [<c0213ff7>] sys_ioctl+0x67/0x80
[   23.543193]  [<c01c64ad>] ? perf_mmap+0x9d/0x2d0
[   23.543201]  [<c01033ec>] syscall_call+0x7/0xb
[   23.543209]  [<c01c64ad>] ? perf_mmap+0x9d/0x2d0
[   23.543216]  [<c01c64ad>] ? perf_mmap+0x9d/0x2d0
[   23.543222] ---[ end trace 42036b378cb9a180 ]---

-- 
i915gm  GPU lockup 1df215e00a208d3f744d4f072c58698f with drm 2.6.33 backport
https://bugs.launchpad.net/bugs/532381
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