Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise

[Ãric Piel]

Op 22-12-09 08:04, Takashi Iwai schreef:
> At Mon, 21 Dec 2009 20:08:34 +0100,
> Ãric Piel wrote:
:
>> Could it be coming from this timeout?
> 
> 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

> 
> Another thing to try is to replace the whole HD-audio stack with the
> last working one (was it 2.6.32?), and check whether it works with
> 2.6.32 core.
Could you give more details on how to do this?
Does it consist in taking the sound/ directory of 2.6.32 and copying it
over 2.6.33-rc1 ? Or less files?

Eric
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/