At Tue, 14 Oct 2008 19:45:26 -0400, Andrew Thompson wrote: > > I just compiled 2.6.26.6 and alsa 1.0.18rc3 (driver, lib and utils) and > when I load the snd_hda_intel module I get the following: > > PCI: Setting latency timer of device 0000:80:01.0 to 64 > alsactl[3495]: segfault at 0 ip b7db7283 sp bffc48dc error 4 in > libc-2.7.so[b7d45000+149000] > alsactl[3498]: segfault at 0 ip b7ed2283 sp bfcdf23c error 4 in > libc-2.7.so[b7e60000+149000] > BUG: unable to handle kernel NULL pointer dereference at 00000000 > IP: [<f893cef1>] :snd_hda_intel:snd_hda_input_mux_info+0x11/0x40 > *pde = 00000000 > Oops: 0000 [#1] PREEMPT > Modules linked in: snd_hda_intel snd_hwdep snd_pcm_oss snd_pcm > snd_page_alloc snd_mixer_oss snd_seq_dummy snd_seq_oss > snd_seq_midi_event snd_seq snd_timer snd_seq_device snd via_agp > > Pid: 3499, comm: amixer Not tainted (2.6.26.6 #1) > EIP: 0060:[<f893cef1>] EFLAGS: 00010286 CPU: 0 > EIP is at snd_hda_input_mux_info+0x11/0x40 [snd_hda_intel] > EAX: 00000000 EBX: 00000000 ECX: 0000000e EDX: f70d7e04 > ESI: c1105511 EDI: bfbb6ba0 EBP: f7237c00 ESP: f70d7da8 > DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 > Process amixer (pid: 3499, ti=f70d6000 task=f7266000 task.ti=f70d6000) > Stack: f71de100 f8865c0a f8850580 f70d7e04 00000001 00000001 00000001 > f75bae50 > bfbb6ba0 f7208400 f7208560 f720854c f8850000 00000000 f720854c > f720859c > f720854c f75badc0 f749a980 f70d7e5c 00000000 00000009 f7b9e009 > 0000000d > Call Trace: > [<f8865c0a>] snd_ctl_ioctl+0x75a/0xc50 [snd] > [<c0145a0d>] __alloc_pages_internal+0x9d/0x410 > [<c013d185>] handle_IRQ_event+0x25/0x50 > [<c0111886>] kmap_atomic_prot+0x56/0xb0 > [<c01117f5>] kunmap_atomic+0x35/0x70 > [<f88654b0>] snd_ctl_ioctl+0x0/0xc50 [snd] > [<c016ef7c>] vfs_ioctl+0x1c/0x70 > [<c016f1eb>] do_vfs_ioctl+0x21b/0x2b0 > [<c010f8fd>] do_page_fault+0x26d/0x640 > [<c016f2af>] sys_ioctl+0x2f/0x50 > [<c0102fc1>] sysenter_past_esp+0x6a/0x99 > ======================= > Code: 0b ff 11 89 5e 5c 89 c7 89 e8 e8 eb c7 a7 c7 89 f8 5b 5e 5f 5d c3 > 8d 74 26 00 53 c7 42 40 03 00 00 00 c7 42 48 01 00 00 00 89 c3 <8b> 00 > 89 d1 89 42 50 8b 13 85 d2 74 13 8b 41 54 39 c2 76 10 8b > EIP: [<f893cef1>] snd_hda_input_mux_info+0x11/0x40 [snd_hda_intel] > SS:ESP 0068:f70d7da8 > ---[ end trace e7f83906cd780bf4 ]--- > > > I've alsa .17 on here without a problem, so it's a new issue. The > machine is a Via Epia SN18000G which uses the via VT1708 audio chip. I > decided to try the new alsa release because I see the fixes related to > via devices in the release notes. With previous releases of ALSA, the > card probed and output audio OK, but would not record. > > Let me know if there's anymore information anyone needs to resolve this. Does this happen with the latest snapshot tarball below? ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz Takashi ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
