At Tue, 22 Jan 2013 09:57:12 -0600, Chris J Arges wrote: > > On 01/21/2013 10:50 AM, Takashi Iwai wrote: > > At Sat, 19 Jan 2013 12:03:23 +0100, > > Takashi Iwai wrote: > >> > >> At Fri, 18 Jan 2013 14:26:55 -0600, > >> Chris J Arges wrote: > >>> > >>> ALSA: usb-audio: Fix races at disconnection > >>> From: Takashi Iwai <tiwai <at> suse.de> > >>> commit 978520b75f0a1ce82b17e1e8186417250de6d545 upstream. > >>> > >>> I've noticed that this backported patch causes a kernel panic when > >>> plugging in and unplugging a USB headset. > >>> A bug has been filed here: > >>> http://bugs.launchpad.net/bugs/1097396 > >>> There is a backtrace in one of the comments. > >>> > >>> If I revert this patch from Ubuntu 3.2.0-36 (based off of v3.2.35), the > >>> failure goes away. However I would guess that the original patch fixes > >>> other issues. > >>> > >>> Sorry if this is a duplicate e-mail, I tried to use a web interface to > >>> respond, but wasn't sure it went through properly. > >> > >> OK, I'll try to take a look at it in the next week. > > > > Does the patch below fix the issue? > > Other than that, I see no obvious failure in the patch through a quick > > look. > > > > > > thanks, > > > > Takashi > > > > Takashi, > Yes! I have built a kernel with this patch on top, and it does indeed > fix the issue. I've tested this 20-30 times, plugging and unplugging my > headset, I reset and repeat the procedure.
Thanks for testing. I'm going to submit the proper patch soon. Takashi -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
