[Bug 1432492] Re: Firefox and Thunderbird freezes entire system after a few seconds of use

mhogerheijde launchpad at hogerheijde.net
Mon Oct 26 08:14:46 UTC 2015

I'm having a similar issue on 15.10.

- I've done a Memtest to check for faulty memory: no faulty memory found
- I've tried both proprietry and open-source nVidia drivers: Didn't seem to have an effect
- ctrl-alt-F[1-6] don't work
- No kernel panic
- No crash log in /var/crash
- Tried Firefox with a clean profile doesn't help

Dissimilar issues
- My mouse-pointer usually still works not always
- Music seems to keep playing (using Plex on a chromium browser window) – I never waited (long enough) for a buffer under-run but it might be that networking still works and only X + HID input is affected?
- Sys-requests are working for me! So I can do SysRq-REISUB. Unfortunately dumping to the console does not work, since I'm not at a console at the time of the crash, and I cannot get to one either.

I've only had a crash without Firefox once, all the other times I've had
it within seconds to minutes after using Firefox. I'm writing this
message via Chromium and the system is booted for around 10 minutes now,
no crash. Using Firefox my system would've crahsed already, I usually do
not even come as far as being logged in on Launchpad

My upgrade path has been from 14.04 -> 14.10 -> 15.04 -> 15.10. I've
never had crashes on the systems before and I did not change any
hardware on the system.

$ apt-cache policy firefox
  Installed: 41.0.2+build2-0ubuntu1
  Candidate: 41.0.2+build2-0ubuntu1
  Version table:
 *** 41.0.2+build2-0ubuntu1 0
        100 /var/lib/dpkg/status

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 15.10
Release:        15.10
Codename:       wily

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