I also had this problem, and found a different fix in 4.9 that fixed it
(my original bug #1641052):
commit a8006bd915095c40098bfcb684cc2bdfb414dc0d
Merge: 965c4b7 6bad6bc
Author: Linus Torvalds <torva...@linux-foundation.org>
Date: Fri Oct 28 11:26:01 2016 -0700
Merge branch 'timers-urgent-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Fix four timer locking races: two were noticed by Linus while
reviewing the code while chasing for a corruption bug, and two
from fixing spurious USB timeouts"
* 'timers-urgent-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Prevent base clock corruption when forwarding
timers: Prevent base clock rewind when forwarding clock
timers: Lock base for same bucket optimization
timers: Plug locking race vs. timer migration
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https://bugs.launchpad.net/bugs/1630063
Title:
specific USB devices disconnect and don't reconnect
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