Comment 21 for bug 183364

upgrade from gutsy this night. sound don't work

dmesg output

[ 409.649587]
[ 409.649589] Pid: 9205, comm: pulseaudio Tainted: P (2.6.24-7-generic #1)
[ 409.649592] EIP: 0060:[<f8bb5d36>] EFLAGS: 00010206 CPU: 0
[ 409.649608] EIP is at azx_pcm_prepare+0x96/0x250 [snd_hda_intel]
[ 409.649610] EAX: 00000024 EBX: 00000000 ECX: 00000006 EDX: 00000000
[ 409.649613] ESI: df89eab8 EDI: f77f3000 EBP: 00004400 ESP: e95b3d84
[ 409.649615] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 409.649617] Process pulseaudio (pid: 9205, ti=e95b2000 task=f06d4000 task.ti=e95b2000)
[ 409.649619] Stack: 00000010 00001f40 c03ea720 00000000 c03ea730 00000000 f763ee00 dfa08c30
[ 409.649625] f763ec00 f75cdda4 377a0000 f763ee34 f763ee00 00000802 f8b439b4 f763ee00
[ 409.649631] f8b32c89 00000000 f8b328db f763ee00 00000802 f8b439b4 00000000 f8b33b2b
[ 409.649636] Call Trace:
[ 409.649653] [<f8b32c89>] snd_pcm_do_prepare+0x9/0x20 [snd_pcm]
[ 409.649668] [<f8b328db>] snd_pcm_action_single+0x2b/0x60 [snd_pcm]
[ 409.649682] [<f8b33b2b>] snd_pcm_action_nonatomic+0x6b/0x70 [snd_pcm]
[ 409.649695] [<f8b363e5>] snd_pcm_common_ioctl1+0x515/0x1090 [snd_pcm]
[ 409.649723] [<c0212d36>] __prop_inc_single+0x36/0x50
[ 409.649731] [<c02128b5>] prio_tree_insert+0x85/0x240
[ 409.649740] [<c01753ef>] vma_prio_tree_insert+0x1f/0x50
[ 409.649746] [<c017cc5b>] vma_link+0x9b/0x100
[ 409.649753] [<c017d3ff>] mmap_region+0x27f/0x440
[ 409.649759] [<f8b3739d>] snd_pcm_playback_ioctl1+0x3d/0x3d0 [snd_pcm]
[ 409.649775] [<f8b377f3>] snd_pcm_playback_ioctl+0x43/0x50 [snd_pcm]
[ 409.649788] [<f8b377b0>] snd_pcm_playback_ioctl+0x0/0x50 [snd_pcm]
[ 409.649800] [<c019a42b>] do_ioctl+0x2b/0x90
[ 409.649805] [<c019a6be>] vfs_ioctl+0x22e/0x2b0
[ 409.649811] [<c019a796>] sys_ioctl+0x56/0x70
[ 409.649815] [<c01053c2>] sysenter_past_esp+0x6b/0xa9
[ 409.649826] =======================
[ 409.649828] Code: 8b 4f 20 89 1c 24 e8 fa 29 00 00 85 c0 89 46 28 0f 84 8d 01 00 00 8b 46 24 8b 1e 8b 40 70 8b 80 f4 01 00 00 89 44 24 28 8b 46 1c <c7> 40 18 00 00 00 00 8b 46 1c c7 40 1c 00 00 00 00 8b 4e 14 85
[ 409.649857] EIP: [<f8bb5d36>] azx_pcm_prepare+0x96/0x250 [snd_hda_intel] SS:ESP 0068:e95b3d84
[ 409.649889] ---[ end trace 666dafb8ed41d6d0 ]---

I suppose I must wait for a newer kernel ?