Messages in this thread |  | | | From | Wang Lei <> | | Subject | Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes | | Date | Fri, 11 Feb 2011 20:23:21 +0800 |
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Thanks for your reply!
Takashi Iwai <tiwai@suse.de> writes:
> At Thu, 10 Feb 2011 20:49:51 +0800, > Wang Lei wrote: >> >> On my laptop, the sound card auto mutes some seconds after i enable it. >> And play a audio file can't make sound. This is not a powersave feature, >> because i haven't enable it. I guess it's a driver problem. It occurs >> since 2.6.36.X. Please help. > > Then a possible cause would be the badly working interrupts. > Or, I remember vaguely some reports mentioning conflicts with radeon > driver. > > Anyway, try to reproduce without the graphic interface first. >
I have reproduced it without the graphic interface.
> Also, try to pass enable_msi=0 or 1. AMD controllers tend to unstable > regarding MSI. >
And pass enable_msi=0 or 1 to snd_hda_intel, or even add boot parameter pci=nomsi (i actually don't know whether this is reasonable), the problem occurs.
I have forgot to mention this, when passing apci=off to the boot kernel, there is no this problem.
> > HTH, > > Takashi
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