The oops has been fixed by the intel8x0 patch. Thanks.


/proc/asound/card0> cat ../cards 0 [I82801DBICH4 ]: ICH - Intel 82801DB-ICH4 Intel 82801DB-ICH4 at 0xdffffa00, irq 10

/proc/asound/card0> cat codec97#0/ac97#0-0
0-0/0: Realtek ALC202 rev 0

Capabilities     :
DAC resolution   : 20-bit
ADC resolution   : 18-bit
3D enhancement   : Realtek 3D Stereo Enhancement

Current setup
Mic gain         : +0dB [+0dB]
POP path         : pre 3D
Sim. stereo      : off
3D enhancement   : off
Loudness         : off
Mono output      : MIX
Mic select       : Mic1
ADC/DAC loopback : off
Extended ID      : codec=0 rev=1 AMAP DSA=0 SPDIF DRA VRA
Extended status  : SPCV LDAC SDAC CDAC SPDIF=3/4 VRA
PCM front DAC    : 48000Hz
PCM ADC          : 48000Hz
SPDIF Control    : Consumer PCM Category=0x2 Generation=1 Rate=48kHz

R CHAN wrote:
Just tried ALSA CVS and 2.6.0-test9 current bk.
CVS snd-intel8x0 is oopsing.

Unable to handle kernel NULL pointer dereference at virtual address 00000040
printing eip:
e1a3a9e6
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<e1a3a9e6>] Not tainted
EFLAGS: 00010202
EIP is at snd_intel8x0_mixer+0x2b6/0x400 [snd_intel8x0]
eax: 00000020 ebx: dd8ecc00 ecx: 00000008 edx: 00000080
esi: dc13f4c0 edi: 00000001 ebp: 00000020 esp: dc137c74
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 887, threadinfo=dc136000 task=dec572e0)
Stack: dd8ecc00 00000080 e1a3f540 00000005 df678400 dda04a00 00000000 dd8ecc00
e1a3a710 00000000 c1549400 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Call Trace:
[<e1a3a710>] snd_intel8x0_mixer_free_ac97+0x0/0x20 [snd_intel8x0]
[<e1a3adc7>] snd_intel8x0_ich_chip_init+0x1d7/0x300 [snd_intel8x0]
[<e1a39290>] snd_intel8x0_codec_write+0x0/0xd0 [snd_intel8x0]
[<e1a39360>] snd_intel8x0_codec_read+0x0/0x110 [snd_intel8x0]
[<e1a3a700>] snd_intel8x0_mixer_free_ac97_bus+0x0/0x10 [snd_intel8x0]
[<e1a3bfea>] snd_intel8x0_probe+0x10a/0x280 [snd_intel8x0]
[<c016c531>] dput+0x31/0x220
[<c0202822>] pci_device_probe_static+0x52/0x70
[<c020287c>] __pci_device_probe+0x3c/0x50
[<c02028bc>] pci_device_probe+0x2c/0x50
[<c02428df>] bus_match+0x3f/0x70
[<c0242a0c>] driver_attach+0x5c/0xa0
[<c0242cd3>] bus_add_driver+0x93/0xb0
[<c024310f>] driver_register+0x2f/0x40
[<c0202aac>] pci_register_driver+0x5c/0x90
[<e195c013>] alsa_card_intel8x0_init+0x13/0x8e [snd_intel8x0]
[<c0135a09>] sys_init_module+0x119/0x230
[<c010b3d9>] sysenter_past_esp+0x52/0x71


Code: 0f b7 40 20 0f b6 84 83 c8 02 00 00 c0 e0 06 08 c1 eb cb 80

Anything else you need to know?


Fernando Pablo Lopez-Lezcano wrote:


as you might have already seen on the web news page, we released
1.0.0pre1 tarball.  This is intended for the wide tests before the
official 1.0.0 release.  We planned to release 1.0.0 (hopefully) in
this month, so please everyone test this version and give bug reports
now.



Looks like somehow hdspmix and hdspconf did not make it to the alsa-tools tarball (but they are there in CVS).... -- Fernando




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