touch-packages team mailing list archive

[Timo Aaltonen <tjaalton@xxxxxxxxxx>]

Hello Timo, or anyone else affected,

Accepted mesa-lts-vivid into trusty-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/mesa-lts-
vivid/10.5.9-2ubuntu1~trusty2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1486522

Title:
  [SKL] GPU hang with webgl demo

Status in mesa package in Ubuntu:
  Fix Released
Status in mesa-lts-vivid package in Ubuntu:
  Invalid
Status in mesa source package in Vivid:
  Fix Committed
Status in mesa-lts-vivid source package in Vivid:
  In Progress

Bug description:
  [Impact]

  Mesa 10.5.x suffers from a GPU hang on Skylake HW, bisected fix in
  10.6.x:

  commit 74fd226e34d0cf5e9ff43174ae69b4a66f5de1ab
  Author: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
  Date:   Wed Mar 25 16:52:46 2015 -0700

      i965/skl: Don't use the PMA depth stall workaround

  the system freezes soon after, causing loss of data.

  [Test Case]

  * installl chromium version 41.x (webgl disabled on later versions)
  * open https://jbouny.github.io/fft-ocean/
  * grab the ship, rotate quickly
  * should freeze in a few seconds

  [Regression Potential]

  * none, it's a gen9 specific workaround

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