I installed the libgl1-mesa-dri package from the paulo-miguel-dias
repository, now everything seems to work fine, unity desktop. I haven't
tried blender.
apt policy libgl1-mesa-dri
libgl1-mesa-dri:
Instal·lat: 1:17.3.1-1~a~padoka0
Candidat: 1:17.3.1-1~a~padoka0
Taula de versió:
*** 1:17.3.1-1~a~padoka0 500
500 http://ppa.launchpad.net/paulo-miguel-dias/pkppa/ubuntu artful/main
amd64 Packages
100 /var/lib/dpkg/status
17.2.4-0ubuntu1~17.10.2 500
500 http://es.archive.ubuntu.com/ubuntu artful-proposed/main amd64
Packages
17.2.2-0ubuntu1 500
500 http://es.archive.ubuntu.com/ubuntu artful/main amd64 Packages
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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:
Fix Committed
Status in mesa source package in Xenial:
Fix Released
Status in mesa source package in Artful:
Fix Committed
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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