Can you do a kernel bisection?
First, find the last good -rc kernel and the first bad -rc kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Then,
$ sudo apt build-dep linux
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
$ cd linux
$ git bisect start
$ git bi
Same as bladernr, the reboot helped me, but I don't think reboot should
be necessary for USB plug-n-play devices.
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Title:
Upgrade to Bionic and U
I have similar issue with a Logitech USB headset. See attached apport
info in the comments above.
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Title:
Upgrade to Bionic and USB audio device
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/pcmC0D0c: andrei11513 F...m pulseaudio
/dev/snd/pcmC0D0p: andrei11513 F...m pulseaudio
/dev/snd/controlC0: andrei11513 F pulseaudio
CurrentDeskto
** Package changed: linux-signed (Ubuntu) => linux (Ubuntu)
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Title:
Upgrade to Bionic and USB audio devices no longer work
To manage notificatio
OK, so I rebooted into 4.13.0-39 and as soon as I was logged in the USB
audio started working. So I thought maybe that indicated a regression
between 4.13 and 4.15. HOWEVER< I then rebooted again, into 4.15 once
more, and now I have audio in and out on the USB devices.
I'm not sure exactly why,
** Summary changed:
- Upgrade to Bionic and USB audio device no longer works
+ Upgrade to Bionic and USB audio devices no longer work
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Title:
Up