Same Problem here on Lenovo X301 with i915 chip. Did not occur with "original" 9.04 but occurs now after latest update (from yesterday? 2009-06-23) of intel driver (xserver-xorg-video-intel 2:2.6.3-0ubuntu9.3).
Linux lumpi 2.6.28-13-generic #44-Ubuntu SMP Tue Jun 2 07:55:09 UTC 2009 x86_64 GNU/Linux Jun 23 07:28:05 lumpi kernel: [ 435.139033] WARNING: at /build/buildd/linux-2.6.28/lib/kref.c:43 kref_get+0x2d/0x30() Jun 23 07:28:05 lumpi kernel: [ 435.139037] Modules linked in: tun nls_cp437 nls_utf8 cifs hidp i915 drm binfmt_misc ppdev bridge stp bnep deflate zl ib_deflate ctr twofish twofish_common camellia serpent blowfish des_generic cbc aes_x86_64 aes_generic xcbc rmd160 sha256_generic sha1_generic crypto_ null af_key input_polldev btusb lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm arc4 ecb thinkpad_acpi snd_seq_dummy snd_seq_oss nvram psmo use snd_seq_midi snd_rawmidi serio_raw snd_seq_midi_event iwlagn iwlcore led_class snd_seq snd_timer snd_seq_device iTCO_wdt iTCO_vendor_support mac80 211 snd soundcore cfg80211 snd_page_alloc uvcvideo compat_ioctl32 videodev v4l1_compat intel_agp video output xfs e1000e fbcon tileblit font bitblit s oftcursor Jun 23 07:28:05 lumpi kernel: [ 435.139156] Pid: 2924, comm: Xorg Not tainted 2.6.28-13-generic #44-Ubuntu Jun 23 07:28:05 lumpi kernel: [ 435.139160] Call Trace: Jun 23 07:28:05 lumpi kernel: [ 435.139173] [<ffffffff802509bf>] warn_on_slowpath+0x5f/0x90 Jun 23 07:28:05 lumpi kernel: [ 435.139183] [<ffffffff805a0e50>] ? sock_aio_write+0x0/0x120 Jun 23 07:28:05 lumpi kernel: [ 435.139192] [<ffffffff802e76eb>] ? do_sync_readv_writev+0xeb/0x130 Jun 23 07:28:05 lumpi kernel: [ 435.139199] [<ffffffff80419abd>] kref_get+0x2d/0x30 Jun 23 07:28:05 lumpi kernel: [ 435.139226] [<ffffffffa0439fa2>] drm_gem_object_lookup+0x42/0x60 [drm] Jun 23 07:28:05 lumpi kernel: [ 435.139242] [<ffffffffa045d341>] i915_gem_execbuffer+0x101/0x750 [i915] Jun 23 07:28:05 lumpi kernel: [ 435.139263] [<ffffffffa04387fa>] drm_ioctl+0x10a/0x330 [drm] Jun 23 07:28:05 lumpi kernel: [ 435.139277] [<ffffffffa045d240>] ? i915_gem_execbuffer+0x0/0x750 [i915] Jun 23 07:28:05 lumpi kernel: [ 435.139285] [<ffffffff802f631d>] vfs_ioctl+0x7d/0xa0 Jun 23 07:28:05 lumpi kernel: [ 435.139292] [<ffffffff802f6685>] do_vfs_ioctl+0x75/0x230 Jun 23 07:28:05 lumpi kernel: [ 435.139299] [<ffffffff802f68d9>] sys_ioctl+0x99/0xa0 Jun 23 07:28:05 lumpi kernel: [ 435.139307] [<ffffffff802e8730>] ? sys_writev+0x50/0xb0 Jun 23 07:28:05 lumpi kernel: [ 435.139314] [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b Jun 23 07:28:05 lumpi kernel: [ 435.139319] ---[ end trace 0d0e9eafb9df1a40 ]--- -- many NULL pointer derefences, random hangs, segfaults https://bugs.launchpad.net/bugs/362133 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
