Re: [ALSA] emu10k1: hw_ptr skipping when unpausing mplayer

[Piotr Kaczuba <pepe@attika.ath.cx>]

On Mon, Jul 20, 2009 at 08:33:37AM +0200, Takashi Iwai wrote:
> At Sat, 18 Jul 2009 16:07:07 +0000 (UTC),
> Piotr Kaczuba wrote:
> > 
> > Since 2.6.30 I'm experiencing sound and video stuttering when unpausing 
> > mplayer. The soundcard is an Audigy 1, driver is emu10k1. Kernel is 
> > x86_64, userspace is 32-bit. I doesn't happen always, but regularly 
> > enough.
> 
> To be sure -- isn't it arch-independent?  I guess 64bit user-space
> can cause the same problem.
I've tested it and it's the same with 64bit mplayer.

[...]
> The problem is likely due to some wrong operation in the pause/restart.
> Does the patch below work around a problem?
> 
> If this works (somehow, not causing the same error), we can focus more
> on the pause implementation of emu10k1.
[...]

Yes, the patch helps. I've tried half a dozen times and the problem
hasn't reappeared. No messages at all with xrun_debug either. So it
is probably the pause implementation of emu10k1.

Thanks,
Piotr