** Changed in: linux (Ubuntu Xenial)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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So, at some point I updated the system, and this behaviour stopped
happening; tried a lot to reproduce it, and all that I got is the normal
slowdown when you use disk a lot and try to use an app that suddenly
needs to access disks.
Joseph, Chad, sorry I can not throw more light here, :(
Daniel,
BTW, the update that "fixed" the problem did NOT include new kernels So,
the problem wasn't inherently there.
After that, I updated the machine again (now it brought a new kernel
version), but everything continued ok.
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This used to be a problem with early Unity (v5/v6?) doing I/O bound
operations in threads used for rendering. Which is obviously bad. Maybe
we haven't fully solved that yet or regressed.
Also, the choice of filesystem formats used on the USB drive could be a
factor. In Ubuntu/Gnome/Nautilus I
Facundo, I may have seen something like this too. Will you please attach
result of
( cat /proc/cpuinfo; sleep 10; echo 10 seconds; cat /proc/cpuinfo; )
for your loaded case and a resting case?
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1581651
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