Messages in this thread | | | Date | Tue, 22 Dec 2009 16:40:37 +0100 | From | Takashi Iwai <> | Subject | Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise |
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At Tue, 22 Dec 2009 16:15:57 +0100, Éric Piel wrote: > > Op 22-12-09 10:17, Takashi Iwai schreef: > : > >>> It shouldn't. The polling mode doesn't give any behavioral change, > >>> and the CPU usage can't be that high. > >>> > >>> Try is to pass bdl_pos_adj=0 option. This should reduce the CPU hog, > >>> at least. But it doesn't mean it's the right fix... > >> I'll try > Just tried: it doesn't have any effect, as enable_msi=0. Still 25% of > the CPU used, as before. > $ cat bdl_pos_adj > 0,-1,-1,-1,-1,-1,-1,-1 > > Could it be coming from the beeper? Also, just in case it can help, > attached is my .config .
Do you have multiple HD-audio devices? See /proc/asound/cards. If there are multiple, you need to pass a value for each.
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