This bug was fixed in the package mesa - 12.0.6-0ubuntu0.16.04.1
---------------
mesa (12.0.6-0ubuntu0.16.04.1) xenial; urgency=medium
* New bugfix release. (LP: #1652564, #1652486)
* Backport to xenial. (LP: #1643789)
mesa (12.0.4-2ubuntu1) zesty; urgency=medium
* Merge from Debian
- New upstream bugfix release. (LP: #1641017)
* dri3-fix-totem-with-libva.diff: Dropped, upstream.
-- Timo Aaltonen <tjaal...@debian.org> Fri, 20 Jan 2017 00:22:11 +0200
** Changed in: mesa (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1652486
Title:
mesa gpu lockup
Status in Mesa:
Unknown
Status in mesa package in Ubuntu:
Fix Released
Status in mesa source package in Xenial:
Fix Released
Status in mesa source package in Yakkety:
Fix Committed
Bug description:
package: mesa
version: 11.2.0-1ubuntu2.2
release: 16.04.1 / "Xenial"
references:
* https://bugs.freedesktop.org/show_bug.cgi?id=93649
* https://cgit.freedesktop.org/mesa/mesa/commit/?id=6dc96de3
symptoms:
1. kernel reports "GPU lockup"
2. kernel reports "GPU softreset"
3. immediately frozen display
4. eventual "INFO: task (kworker|Xorg)[/:0-9]+ blocked for more than 120
seconds."
5. computer hanging on system reboot requiring a forced power off
Symptoms occur when playing Team Fortress 2.
Attachments:
1. mesa source package patch
2. lspci output for video card (ie Radeon HD 7750)
3. kernel log
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