Public bug reported:
After upgrading my work computer til Ubuntu 17.04 I'm no longer able to
restore the previous session in Firefox. If I click Restore, Firefox
greys out after a couple of seconds, and a few seconds later other
services seem to stop as well. I've noticed that dmesg shows errors that
seems to originate from the kernel when this happens.
I've attached a photo of the screen with the bug messages from dmesg. It
claims that there is a kernel bug on line 129 of linux/swapops.h which
seems to indicate that it is trying to migrate an unlocked page for some
reason.
The machine has 32GB of RAM, and the crash occurs right after reboot
when starting Firefox, so there should be plenty free memory.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Photo of terminal showing dmesg after Firefox has frozen,
but before the terminal froze."
https://bugs.launchpad.net/bugs/1685175/+attachment/4865986/+files/IMG_20170421_120023.jpg
** Summary changed:
- Firefox session restore causes freeze in Ubuntu 17.04
+ Firefox session restore causes system freeze in Ubuntu 17.04
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https://bugs.launchpad.net/bugs/1685175
Title:
Firefox session restore causes system freeze in Ubuntu 17.04
Status in linux package in Ubuntu:
New
Bug description:
After upgrading my work computer til Ubuntu 17.04 I'm no longer able
to restore the previous session in Firefox. If I click Restore,
Firefox greys out after a couple of seconds, and a few seconds later
other services seem to stop as well. I've noticed that dmesg shows
errors that seems to originate from the kernel when this happens.
I've attached a photo of the screen with the bug messages from dmesg.
It claims that there is a kernel bug on line 129 of linux/swapops.h
which seems to indicate that it is trying to migrate an unlocked page
for some reason.
The machine has 32GB of RAM, and the crash occurs right after reboot
when starting Firefox, so there should be plenty free memory.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1685175/+subscriptions
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