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 .

:
> 
> I'd try first only sound/pci/hda/* files.
Ok, I'll try later. Or maybe I'll just do a bisection...

Eric