"Operation not permitted" and "ALSA woke us up to write new data ..."

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On Thu, Apr 02, 2009 at 06:36:27PM +0200, Lennart Poettering wrote:
> > Ok, just some minutes after I wrote that it turned out that
> > suspend/resume calls seem to be the culprit. If I'm fast enough to start
> > a client right after the pulseaudio daemon came up, this doesn't happen.
> > But once the daemon decided to send the device to sleep it won't
> > recover. Is this a thing a driver has to implement? And is failing so
> > hard if a driver doen't do that intended? ;)
> 
> Suspend/resume (as mentioned in my previous mail) is implemented by
> closing/reopening the device. When we reopen we try to configure the
> same hwparams as initially, and that fails with EPERM.

Ok, thanks. I'll try to get more insight on that and track things down.

Daniel




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