Public bug reported:
I recently upgraded to zesty from yakkety, and occasionally Firefox
(53.0+build6-0ubuntu0.17.04.1) and Thunderbird (45.8.0+build1-0ubuntu1)
get stuck in a page fault. In the journal the kernel notices that a
thread is stuck in a spinlock waiting for a page fault to return, but it
never returns. This log message repeats until the machine is shutdown.
This appears to happen when I'm using the computer (rather than when
it's idle), and the machine slowly becomes less usable until I reboot
it. As it's waiting in the kernel killing the process does nothing, it
leaves a zombie using 100% of a CPU thread.
My machine is a Core i7-6700, 64GB DDR4, Geforce 1050 Ti, with an SSD.
Everything is running at stock clocks and it doesn't appear to be heat
related. I ran memtest for a while with no memory faults reported.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1688636
Title:
Firefox gets stuck in a page fault
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