[alsa-devel] "modprobe snd_hda_intel" crashes on my hardware

Abdelghani Ouchabane abdelghani at ezono.com
Wed Sep 28 15:22:21 CEST 2011


Clemens Ladisch wrote:
> Abdelghani Ouchabane wrote:
>   
>> in /proc/asound/card0/codec#2
>>
>> system 1 : Subsystem Id: 0x7fafffdd
>> system 2 : Subsystem Id: 0xffffffff
>> system 3 : Subsystem Id: 0xff7f7fa3
>>
>> Why the "Subsystem Id" is different between the three systems?
>>     
>
> This is a HDA codec register that should be initialized by the BIOS.
> Apparently, yours doesn't, and the register contents are somewhat random.
>
> Bug whoever is responsible for that BIOS.  A system not initializing
> the pin config and subsystem registers is a violation of the HDA
> specification.
>
>
> Regards,
> Clemens
>   
Thanks, I will use your solution + patch and I will contact the 
manufacturer of the boards to fix the BIOS.

Many thanks Clemens & Takashi for your great supports.

Cheers,
Ghani


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