This bug was fixed in the package mesa - 17.2.4-0ubuntu1~16.04.4
---------------
mesa (17.2.4-0ubuntu1~16.04.4) xenial; urgency=medium
* control: Relax mesa-opencl-icd dependency on libclc. (LP: #1743018)
mesa (17.2.4-0ubuntu1~16.04.3) xenial; urgency=medium
* i965-disable-l3-cache-alloc-for-ext-buffers.diff:
- Replaced with five backported commits from upstream
(LP: #1727401, #1735594)
-- Timo Aaltonen <tjaal...@debian.org> Sat, 13 Jan 2018 09:06:08 +0200
** Changed in: mesa (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1727401
Title:
Corruption on windowed 3D apps running on dGPU (Intel/AMD)
Status in Mesa:
In Progress
Status in OEM Priority Project:
Triaged
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 Released
Bug description:
[Impact]
Corruption is seen on windowed 3D apps running on dGPU
[Test case]
Get a certain Intel/AMD hybrid machine, run 'DRI_PRIME=1 glxgears',
see how the window has corrupted gfx.
The fix is to patch Intel i965_dri driver.
[Regression potential]
There could be a slight loss of performance, but corruption free
behaviour.
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