timo: Sorry for the delay.
uwer@janeway:~$ apt-cache policy xserver-xorg-core
xserver-xorg-core:
Installiert: 2:1.18.4-0ubuntu0.7
Installationskandidat: 2:1.18.4-0ubuntu0.7
Versionstabelle:
*** 2:1.18.4-0ubuntu0.7 500
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
100 /var/lib/dpkg/status
2:1.18.3-1ubuntu2 500
500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
Has xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2
No -hwe
thor@norb:~$ uname -a
Linux norb 4.13.0-26-generic #29~16.04.2-Ubuntu SMP Tue Jan 9 22:00:44 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
thor@norb:~$ apt-cache policy xserver-xorg-core
xserver-xorg-core:
Installiert: (keine)
Installationskandidat: 2:1.18.4-0ubuntu0.7
Versionstabelle:
2:1.18.4-0ubuntu0.7 500
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
2:1.18.3-1ubuntu2 500
500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
Has xserver-xorg-video-intel-hwe-16.04 2:2.99.917+git20170309-0ubuntu1~16.04.1
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1735594
Title:
[regression] compiz crashes after Mesa upgrade
Status in mesa package in Ubuntu:
Confirmed
Status in mesa source package in Xenial:
Confirmed
Status in mesa source package in Artful:
Confirmed
Bug description:
[Impact]
When I use the Unity session I automatically get logged out under these
conditions:
When I hover with my mouse over any icon of the sidebar.
When I press the alt key.
When I press the super key.
running dmesg after this unwanted logout happens I get following
information:
compiz[10616]: segfault at 0 ip 00007fbca309feeb sp 00007fff5f59a4d0
error 4 in i965_dri.so[7fbca2af6000+7e4000]
This is caused by a mesa upgrade, which added a patch for bug #1727401. The
crasher is reproduced on:
- gen4 / gen5 Intel
- if using modesetting X driver, like when xserver-xorg-video-intel is not
installed, or the HWE stack is installed (xserver-xorg-core-hwe-16.04 defaults
to modesetting)
[Test case]
Log in to Unity, open the dash or try to log out etc. Compiz shouldn't crash.
[Regression potential]
The backported patches need to be tested, here for regressions and on 1727401
that they fix the original bug (again).
Best to test on a wide array of Intel HW:
gen4 (965GM/GM45/G45)
gen5 (Ironlake)
gen6 (Sandy Bridge)
gen7 (Bay Trail, Ivy Bridge, Haswell)
gen8 (Braswell, Broadwell)
gen9 (Apollo Lake, Skylake, Gemini Lake, Kaby Lake, Coffee Lake)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1735594/+subscriptions
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