desktop-packages team mailing list archive

[Brian Murray <brian@xxxxxxxxxx>]

Hello Pär, or anyone else affected,

Accepted ubuntu-drivers-common into trusty-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-drivers-common/1:0.2.91.8 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: ubuntu-drivers-common (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1376966

Title:
  gpu-manager treats all files in /etc/modprobe.d as config files

Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common source package in Trusty:
  Fix Committed

Bug description:
  My media center computer have a single nvidia GPU connected to a TV,
  and have for many years been happily using the nvidia driver.
  Unfortunately the recent upgrade to version 1:0.2.91.7 broke X.
  Starting lightdm would fail, delete my xorg.conf and redirect libgl
  symlinks to mesa.

  After some debugging I fond that this was done by gpu-manager, because
  it incorrectly believes that my nvidia module is blacklisted. gpu-
  manager.log contained "Is nvidia blacklisted? yes".

  More debugging determined that this was happening because I have a several years old file named:
    /etc/modprobe.d/blacklist.dpkg-old
  which among other things contain the line "blacklist nvidia".

  However that is _not_ a modprobe config file. modprobe only uses files
  with a .conf extension. (See the man page modprobe.d(5)).
  Unfortunately gpu-manager does not have this restriction and looks in
  all files in /etc/modprobe.d by running:

    grep -G "blacklist.*nvidia[[:space:]]*$" /etc/modprobe.d/*

  
  I could work-around the bug by removing the .dpkg-old file. However this will likely break other machines as well. I found two bugs 1373968 and 1374871 about X not working after installing the latest update. However they does not contain enough information to determine if they are duplicates of this bug or not.

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