desktop-packages team mailing list archive

["Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>]

A Brief Note on Compiz Versions
==========================

The Ubuntu Compiz package version currently (2015-02-12) in trusty-
proposed and which contains the fix is 0.9.11.3+14.04.20150122.  This is
technically Compiz version 0.9.11.2+bzr3869 with additional changes not
yet merged upstream. The merge to upstream Compiz happens after the
Ubuntu packages in the trusty-proposed pocket migrates to the trusty-
updates pocket.  Neither Compiz 0.9.11.3 nor Compiz 0.9.11.4 have been
released by upstream yet regardless of how Ubuntu versions its packages,
athough one of the devs incorrectly changed the Compiz version string to
match the Ubuntu package version.

Ryan did in fact install the first Compiz package available for Ubuntu
14.04 that contains the fix for this bug.  In this case, the bug fix was
cherry-picked for the Compiz 0.9.11 branch from the main Compiz branch
(which is at 0.9.12.1) where it has already been released and tested.

tl;dr

- This bug is fixed in Compiz release 0.9.12.1 (currently available in Ubuntu "Vivid Vervet")
- This bug has also been fixed in the Ubuntu package compiz-1:0.9.11.3+14.04.20150122-0ubuntu1,
   currently in the trusty-proposed pocket and migrating soon to the trusty-updates pocket (and Ubuntu 14.04.2 LTS)
- The fix for this bug will appear in Compiz release 0.9.11.3 when it gets released in the near future

-- 
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https://bugs.launchpad.net/bugs/269904

Title:
  Screen refresh problems with nvidia cards

Status in Compiz:
  Fix Released
Status in Compiz 0.9.11 series:
  In Progress
Status in Compiz Core:
  New
Status in Compiz Core 0.9.8 series:
  New
Status in compiz package in Ubuntu:
  Fix Released
Status in compiz-fusion-plugins-main package in Ubuntu:
  Fix Released
Status in compiz-plugins-main package in Ubuntu:
  Fix Released
Status in compiz source package in Precise:
  New
Status in compiz-plugins-main source package in Precise:
  Confirmed
Status in compiz source package in Trusty:
  Fix Committed
Status in compiz-plugins-main source package in Trusty:
  Invalid
Status in compiz source package in Intrepid:
  Fix Released
Status in compiz-plugins-main source package in Intrepid:
  Won't Fix
Status in compiz-fusion-plugins-main package in Debian:
  Fix Released

Bug description:
  [Impact]

  Users of Nvidia gfx using the proprietary driver may see screen
  corruption during certain operations.

  [Test Case]

  * Install an Nvidia graphics adapter and the proprietary driver.
  * Observe the graphics corrupt.
  * Install the version of Compiz with this fix.
  * Observe corruption is gone.

  [Regression Potential]

  The patch for this was provided by Nvidia.  There could be some corner
  cases users hit that may cause other issues.  That said, enough
  testing has been done to confidently say that the gains provided by
  this fix far outweigh any corner cases.

  -----------------------

  Original Description:

  == Proposed compiz-fusion-plugins-main patch ==
  See comment 234 by Anders Kaseorg and attached compiz-fusion-plugins-main_0.8.2-0ubuntu2.debdiff.

  == Original report ==
  Binary package hint: compiz

  I'm using latest compiz on intrepid.

  Since jockey-gtk does not work on my box (I already filed a bug), I
  manually installed nvidia-glx-177 and added the "driver → nvidia" line
  to xorg.conf.

  Now I seem to be having some screen refresh problems when using
  compiz: parts of the screen are refreshed, but others aren't. That
  means nautilus doesn't show files or folders until I move the cursor
  over them, firefox doesn't show webpages properly until I scroll down,
  and so on.

  Please, tell me if there is any additional info I can provide to find
  out the cause.

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