snd_hda fails to probe after 15 March
Giorgos Keramidas
keramida at freebsd.org
Sun Mar 25 21:45:15 UTC 2007
On 2007-03-26 05:17, Ariff Abdullah <ariff at FreeBSD.org> wrote:
>On Sun, 25 Mar 2007 23:34:13 +0300
>Giorgos Keramidas <keramida at freebsd.org> wrote:
>> Hi Ariff and -current,
>>
>> Some time after March 15, snd_hda started failing to attach to
>> pcm0 on my laptop. I haven't managed to nail the change down to
>> a single commit yet, but I've attached the files:
>>
>> dmesg.boot-15 boot -v output of March 15 kernel
>> dmesg.boot-25 boot -v output of March 25 kernel
>> devinfo-15 devinfo -v output of March 15 kernel
>> devinfo-25 devinfo -v output of March 25 kernel
>>
>> There seems to be at least one more message in dmesg.boot-25 which
>> seems relevant to snd_hda failing to attach:
>>
>> pcm0: [MPSAFE]
>> pcm0: [ITHREAD]
>> +pcm0: hdac_get_capabilities: Invalid rirb size (0)
>> +device_attach: pcm0 attach returned 6
>> pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
>>
>> If you need anything more to troubleshoot this, let me know :)
>
> Try reverting hdac.c, down to cvs revision 1.27
No luck with that version and a -DNO_CLEAN build. I'll try a full
kernel and modules recompile next.
> Does this has anything to do with recent nexus changes? It seems that
> snd_ich plagued by a quite simmilar issue, lately.
Maybe. I'm not sure if it's related. Any pointer to changes which I
can try is much appreciated :)
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