[alsa-devel] hda_intel (sigmatel) defunct in mmotm 2008-09-13-03-09

[Jiri Slaby]

On 09/16/2008 04:43 PM, Matthew Ranostay wrote:
> Bug fix patch at:
> 
> http://mailman.alsa-project.org/pipermail/alsa-devel/2008-September/010767.html

It works, thanks.

Another problem is when I switch IEC958 in alsamixer, I get:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
IP: [<ffffffffa0057d8a>] snd_hda_spdif_out_switch_put+0xca/0x170 [snd_hda_intel]
PGD 7a3ea067 PUD 7a378067 PMD 0
Oops: 0000 [1] SMP
last sysfs file: /sys/devices/virtual/net/tun0/type
Dumping ftrace buffer:
   (ftrace buffer empty)
CPU 0
Modules linked in: arc4 ecb cryptomgr aead crypto_blkcipher crypto_algapi ath5k
mac80211 hid_microsoft led_class usbhid rtc_cmos snd_hda_intel hid ohci1394
ieee1394 evdev cfg80211 ff_memless [last unloaded: freq_table]
Pid: 3831, comm: alsamixer Tainted: G        W 2.6.27-rc6-mm1_64 #452
RIP: 0010:[<ffffffffa0057d8a>]  [<ffffffffa0057d8a>]
snd_hda_spdif_out_switch_put+0xca/0x170 [snd_hda_intel]
RSP: 0018:ffff88007a3d5c68  EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000f
RDX: ffff88007b410be0 RSI: 0000000000070d1e RDI: ffff88007bda9bb0
RBP: ffff88007a3d5ca8 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8049083f R11: ffff880078cd4240 R12: ffff88007bd2f398
R13: 0000000000000001 R14: 0000000000000001 R15: 000000000000001e
FS:  00007fb6b40476f0(0000) GS:ffffffff806f2400(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007a3cc000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process alsamixer (pid: 3831, threadinfo ffff88007a3d4000, task ffff88007a35b300)
Stack:  0000000101e33400 ffff88007bd2f568 001e88007a3d5cc8 ffff88007b51d1f0
 ffff880078cd4240 ffff88007bd2d5a0 ffff88007bd2d708 ffff88007b7720c8
 ffff88007a3d5cc8 ffffffff80493097 ffff88007b51d1f0 ffff880078cd4240
Call Trace:
 [<ffffffff80493097>] slave_put_val+0x37/0xc0
 [<ffffffff804933bc>] slave_put+0x5c/0x70
 [<ffffffff8048fdf9>] snd_ctl_elem_write+0x119/0x160
 [<ffffffff804908a5>] snd_ctl_ioctl+0x295/0x940
 [<ffffffff80258934>] ? up+0x34/0x50
 [<ffffffff80254502>] ? remove_wait_queue+0x52/0x60
 [<ffffffff803a198c>] ? read_chan+0x3ac/0x8b0
 [<ffffffff8023193e>] ? __wake_up+0x4e/0x70
 [<ffffffff80242b32>] ? current_fs_time+0x22/0x30
 [<ffffffff802c9d01>] vfs_ioctl+0x31/0xa0
 [<ffffffff802c9ff3>] do_vfs_ioctl+0x283/0x2f0
 [<ffffffff802ca0aa>] sys_ioctl+0x4a/0x80
 [<ffffffff8020c4cb>] system_call_fastpath+0x16/0x1b
Code: 00 4c 89 e7 0f b7 c9 44 0f b7 7d d6 44 0f b6 e9 89 4d c4 45 89 e8 b9 0d 07
00 00 44 89 fe e8 8e f6 ff ff 49 8b 9c 24 f8 01 00 00 <0f> b7 03 66 85 c0 74 27
66 0f 1f 44 00 00 31 d2 48 83 c3 02 0f
RIP  [<ffffffffa0057d8a>] snd_hda_spdif_out_switch_put+0xca/0x170 [snd_hda_intel]
 RSP <ffff88007a3d5c68>
CR2: 0000000000000000
---[ end trace 4eaa2a86a8e2da22 ]---