Comment 11 for bug 1255610

Affects also my system: laptop Acer Aspire E17 E5-771G-7868 (with a replaced HD, by an SSD disk, in case it matters). It happens quite often (several times a week?):

» uname -a
Linux polyphemus.wavilon.net 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

» lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty

» sudo cat /proc/1195/stack
[<ffffffffffffffff>] 0xffffffffffffffff