On Fri, 10 Jan 2014 10:16:07 -0500, Dennis New wrote: > On Sun, 05 Jan 2014 18:08:40 +0000, Daniel Mack wrote: > > Dennis New <dennisn@xxxxxxxxxxxxxxxxxx> wrote: > > >For the past many linux kernels, > > > > Can you spot the last kernel version that worked for you? > > > > >my usb bluetooth headset randomly > > >crashes -- the audio abruptly stops working, I cannot kill -9 the > > >mplayer process that was using it, and the only way to get it > > >working again is to reboot :|. > > > > > >The syslog only says: > > > kernel: ALSA sound/usb/endpoint.c:501 timeout: still 3 active > > > urbs on > > >EP #3 > > > > That's odd, and frankly is more a sign of a USB host controller > > issue that one with snd-usb-audio. Can you provide a full dmesg > > output? Do you have the same issue with that headset on a different > > machine? > > > > >It is very difficult to reproduce -- sometimes it can go for days > > >just fine, then in the middle of a song abruptly stop. > > > > Please try harder :-) Without a proper test case, it seems > > impossible to verify a potential fix. Quickly starting and stopping > > the stream might be a good start. > > > > Also, as stated above, please do test on a different machine. Ruling > > out the host controller would be a crucial step. > > Here's another crash log. ohci_urb_dequeue seems to show up often in > the tracebacks of the hung processes. > > http://dennisn.dyndns.org/guest/pubstuff/debug-usbaudio/crash2.log Here's a slightly more verbose log, after tweaking a few more kernel debugging options, which shows khubd and lsusb being hung/blocked. http://dennisn.dyndns.org/guest/pubstuff/debug-usbaudio/crash3.log ------------------------------------------------------------------------------ CenturyLink Cloud: The Leader in Enterprise Cloud Services. Learn Why More Businesses Are Choosing CenturyLink Cloud For Critical Workloads, Development Environments & Everything In Between. Get a Quote or Start a Free Trial Today. http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
