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[Launchpad Bug Tracker <1535394@xxxxxxxxxxxxxxxxxx>]

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Hi,

I am having a weird problem in Ubuntu and I will try to explain when it
happens. When I open Wikipedia main page or View history on any wiki
page, sometimes (not always) Xorg (I suppose) freezes (UI becomes
unresponsive for a while about 10-60 seconds) until it jumps to login
screen. If I login, I need to start all the application all over again.
Firefox starts but if I repeat the same process (visiting the same web
page) Xorg crashes again. The two pages so far this behaviour occurs
are:

http://en.wikipedia.org (main page, I can however directly open any article and navigate from there)
http://imagej.net/index.php?title=ImgLib2_Examples&action=history (history page of a wiki page)

There are no dialogs after the crash reporting about a crash. I really don't know how to track the problem to find the cause.
Even though Firefox is chrashing, Xorg should not be affected.

I am using Ubuntu 14.04 LTS

3.13.0-74-generic

X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-76-generic x86_64 Ubuntu
Current Operating System: Linux lngrad031 3.13.0-74-generic #118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-74-generic root=UUID=aa4cedea-18e5-4b0f-86ac-3423c2221c78 ro acpi_osi=Linux quiet splash acpi_backlight=vendor vt.handoff=7
Build Date: 12 February 2015  02:49:29PM
xorg-server 2:1.15.1-0ubuntu2.7 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.30.2
 Before reporting problems, check http://wiki.x.org
 to make sure that you have the latest version.

unity 7.2.6

I could only capture a line in x-0.log.old file with only "(EE)". (no
explanation or whatsoever)

Please don't hesitate to ask for more information.

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: desktop firefox unity xorg
-- 
Xorg crashes at certain wiki pages via firefox
https://bugs.launchpad.net/bugs/1535394
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