This seems to be a regression specifically with the C-Media USB Audio chipset.
At least C-Media CM6632 and CM6631A are affected:
http://article.gmane.org/gmane.linux.usb.general/136685
Unfortunately I have not been able to find an older Ubuntu kernel where
this works yet. But I can at least con
Problem exists on 4.4 and 4.5-rc1, verified from Ubuntu Mainline builds
** Tags added: kernel-bug-exists-upstream-4.5-rc1
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Running apport for this kernel issue is close to useless as it only
provides unrelated userland package versions.
Maybe you should worry less about having a perfect apport log and more
about a lack of programming background that prevents you from
contributing anything useful other than changing ca
** Attachment added: "apport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1534856/+attachment/4556305/+files/apport
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Attached apport log
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https://bugs.launchpad.net/bugs/1534856
Title:
lsusb hangs
Status in linux package in Ubuntu:
Confirmed
Bug description:
When plugging an externa
Confirmed that this bug also affects linux-image-4.4.0-040400-generic
This device did work on trusty on some older 3.X kernel so this must be
an upstream regression.
** Tags removed: lsusb
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confir
I just tried upgrading to linux-image-generic-lts-wily
(4.2.0-23-generic) and the same problem exists there.
lsusb hangs and the device does not work
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https://bugs
I just confirmed that this external USB device functions properly in
Windows 10.
So this is either a problem with my motherboard's USB (unlikely since
the rest of my USB devices work) or some USB driver in Ubuntu
** Tags added: lsusb
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Public bug reported:
When plugging an external sound card into USB3 ports on my ASUSTeK P9X79
motherboard, lsusb hangs and the usb device no longer works. If I plug
the sound card into a USB2 port, lsusb does not hang but the device is
not detected and there are 0 messages printed in dmesg.
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