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Date: Fri, 11 Feb 2011 20:23:21 +0800 From: Wang Lei <f3d27b@...il.com> To: Takashi Iwai <tiwai@...e.de> Cc: linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz> Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes Thanks for your reply! Takashi Iwai <tiwai@...e.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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