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[Bug 1528300] Re: Stuck on login screen after updating to 3.19.0-42


Daniel Eloff, as per http://www.gigabyte.com/products/product-
page.aspx?pid=4481#bios an update to your computer's buggy and outdated
BIOS is available (F9). If you update to this following
https://help.ubuntu.com/community/BIOSUpdate does it change anything?

For more on BIOS updates and linux, please see

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful. As well, you don't
have to create a new bug report.

Once the BIOS is updated, if the problem is still reproducible:
1) Please provide the output of the following terminal command (not perform an apport-collect):
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
2) Please make a comment specifically advising on if there was an improvement or not.
3) Please mark this report Status Confirmed. If it's not reproducible, please mark this as Invalid.

Thank you for your understanding.

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  Stuck on login screen after updating to 3.19.0-42

Status in linux package in Ubuntu:

Bug description:
  Entering the correct password does not login (entering bad password
  does give a bad password error, this is distinct), trying to start a
  guest session also fails. Rebooting and choosing the previous
  3.19.0-41 kernel works fine. This bug report is sent after booting
  from *-41.

  I have the proprietary Nvidia drivers installed, the recommended
  version 352.63 from the additional drivers tab. The nouveau drivers do
  not work with my Nvidia 970 system, they cause me to sometimes get a
  black screen instead of booting into the OS, also with the install
  disk, and even with other linux distros. The proprietary drivers fix
  that issue for me, regardless of distro.

  I'll keep the "buggy" kernel version around for now in case I can help
  debug this issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.19.0-41-generic 3.19.0-41.46~14.04.2
  ProcVersionSignature: Ubuntu 3.19.0-41.46~14.04.2-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-41-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Dec 21 11:22:08 2015
  InstallationDate: Installed on 2015-12-16 (5 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: linux-lts-vivid
  UpgradeStatus: No upgrade log present (probably fresh install)
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
   /dev/snd/controlC2:  eloff      1560 F.... pulseaudio
   /dev/snd/controlC1:  eloff      1560 F.... pulseaudio
   /dev/snd/controlC0:  eloff      1560 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2015-12-16 (14 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
   eth0      no wireless extensions.
   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. Z87X-UD3H
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-41-generic.efi.signed root=UUID=b8d21e89-9f7d-45ac-838e-0483c4ae55ad ro quiet splash hugepagesz=1G hugepages=8 hugepagesz=2M hugepages=2048 vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-41.46~14.04.2-generic 3.19.8-ckt10
   linux-restricted-modules-3.19.0-41-generic N/A
   linux-backports-modules-3.19.0-41-generic  N/A
   linux-firmware                             1.127.19
  Tags:  trusty
  Uname: Linux 3.19.0-41-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/03/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F7
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z87X-UD3H-CF
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF7:bd08/03/2013:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-UD3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-UD3H-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: Z87X-UD3H
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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