kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1581769

Title:
  DRM: intel set pch fifo_underrun_reporting [i915]

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I use Samsung NP350V5X-S0IN notebook with intel and AMD graphics with
  Ubuntu 16.04 LTS with Mate 16,04. Very recently i had updated kernel
  due to suspend and wakeup issued and it is cleared now. But however im
  getting an error on bootload as follows:

  [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
  [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun

  I tried few methods like customising LSB-RELEASE and rebooting with the following file contents:
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=15.04
  DISTRIB_CODENAME=wiley
  DISTRIB_DESCRIPTION="Ubuntu 16.04 LTS"
  as found in one https://allanbogh.com/2016/01/05/ubuntu-16-04-installing-the-intel-graphics-drivers-using-the-intel-graphics-installer-for-linux/

  It didn't workout for the time being. Is there anything else as required?
  --- 
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2016-04-03 (40 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_IN:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_IN
   SHELL=/bin/bash
  Tags:  xenial
  Uname: Linux 4.4.9-040409-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  --- 
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2016-04-03 (40 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Package: linux (not installed)
  Tags:  xenial
  Uname: Linux 4.4.9-040409-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dip lpadmin netdev plugdev sambashare sudo
  _MarkForUpload: True
  --- 
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2016-04-03 (41 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_IN:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_IN
   SHELL=/bin/bash
  Tags:  xenial
  Uname: Linux 4.4.9-040409-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True

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