On 2012.09.06 at 15:08 +0200, Takashi Iwai wrote: > At Thu, 6 Sep 2012 11:43:48 +0200, > Markus Trippelsdorf wrote: > > > > On 2012.09.06 at 10:21 +0200, Takashi Iwai wrote: > > > At Thu, 06 Sep 2012 09:35:26 +0200, > > > Takashi Iwai wrote: > > > > > > In short, a patch like below may fix the issue (note: completely > > > untested!) > > > > No it doesn't, unfortunately... > > OK, I start tracking down the problem a bit more deeply now. > > The issue happens when the first two URBs are passed to > retire_playback_urb(). These are URBs filled before start_endpoints() > are set, so they contain actually zero size. Even though these are > a sort of dummy packets, the driver still tries to check with the > queued delay account, and gives bogus errors. > > So, essentially the messages are harmless and nothing to worry too > much, but surely it doesn't look sexy. > > The patch below should fix the problem. Please give it a try.
Yes, your patch finally fixes the problem. Thank you Takashi-san. -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/