desktop-packages team mailing list archive

[Adam Conrad <adconrad@xxxxxxx>]

Hello Dax, or anyone else affected,

Accepted xorg-server into trusty-proposed. The package will build now
and be available at http://launchpad.net/ubuntu/+source/xorg-
server/2:1.15.1-0ubuntu2.3 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!

** Changed in: xorg-server (Ubuntu Trusty)
       Status: New => Fix Committed

** Tags added: verification-needed

-- 
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https://bugs.launchpad.net/bugs/1318119

Title:
  14.04 corrupted graphics on cirrus (in qemu) [PATCH available]

Status in xorg-server package in Ubuntu:
  Fix Released
Status in xorg-server source package in Trusty:
  Fix Committed
Status in xorg-server source package in Utopic:
  New

Bug description:
  Running 14.04 LTS inside of qemu-kvm with its emulated cirrus gpu that
  uses 24bpp frontbuffers causes broken rendering. 12.04 LTS worked fine
  with no corruption on the same qemu-kvm host.

  RHEL7 public beta had the same problem
  (https://bugzilla.redhat.com/show_bug.cgi?id=1074106).

  RHEL7 Release Candidate applied this patch:

  http://patchwork.freedesktop.org/patch/18244/

  From the patch:

  "So we have 2 places where gpus with 24bpp frontbuffers are still
  in use, cirrus (in qemu) and some early variants of the mgag200
  server chips.

  Currently we seem to get a lot of broken rendering in qt, mesa, gnome
  if we expose the frontbuffer as 24bpp, nobody seems to test this
  anymore upstream so client side apps are constantly broken, so lets
  just make -modesetting expose a 24/32 shadow frontbuffer, and use
  the shadow update hook to convert down to the actual 24bpp front,
  this might be slower, but its correct and really anyone that wants
  this already has enough problems."

  Ubuntu version: 14.04 LTS
  Effected version: xserver-xorg-video-modesetting-0.8.1-1build1

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