OK, today's update to 4.8.0-32-generic did solve that USB problem for
me.
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https://bugs.launchpad.net/bugs/1630063
Title:
specific USB devices disconnect and don't reconnec
Hi Scott,
I think, it is the same problem, as I see the same dsmeg messages:
...
HcDoneHead not written back; disabled
HC died; cleaning up
USB disconnect, device number x
USB disconnect, device number y
...
and so on.
If you replace "print" with "playing sound on USB soundcard-speaker" in
Sorry, but updating to 4.8.0-30-generic yesterday still didn't solve
that problem for me.
In my case it is the USB speaker (Alesis M1 Active 320 USB, which works
as external sound card) what causes all USB ports except one to
disconnect after playing sound for some seconds.
Luckily I can have my
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