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[Bug 1565234] Re: Intermittent Screen Flicker on Dell XPS 13 9350

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Caleb Lloyd, thank you for reporting this and helping make Ubuntu
better.

In order to allow additional upstream developers to examine the issue, at your earliest convenience, could you please test the latest upstream kernel available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please keep in mind the following:
1) The one to test is at the very top line at the top of the page (not the daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was released upstream.
4) Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds .

If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.

If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ

Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.

If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ

Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.

Also, you don't need to apport-collect further unless specifically
requested to do so.

Once testing of the latest upstream kernel is complete, please mark this
report Status Confirmed. Please let us know your results.

Thank you for your understanding.

** Tags added: latest-bios-1.3.3

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

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Description changed:

  I am using the Dell XPS 13 9350 with Ubuntu 16.04, and I am experiencing
  random screen flickering where the screen will flicker to black for a
- split second.  This happens repeatedly every few seconds for half a
- minute or so.  Then the issue will disappear for a few minutes, but
- randomly come back.
- 
- I have experienced using Ubuntu 16.04 with Unity, Gnome, and XFCE.  I am
- running the latest BIOS version 1.3.3.
+ split second. This happens repeatedly every few seconds for half a
+ minute or so. Then the issue will disappear for a few minutes, but
+ randomly come back. I have experienced using Ubuntu 16.04 with Unity,
+ Gnome, and XFCE. See LP#1554613.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-16-generic 4.4.0-16.32
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  Uname: Linux 4.4.0-16-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  caleb      1533 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  caleb      1533 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Apr  2 05:06:21 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=ac6dd208-0bc0-443d-bc73-3411a80e0328
  InstallationDate: Installed on 2016-03-19 (13 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160319)
  Lsusb:
-  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
-  Bus 001 Device 003: ID 0bda:5682 Realtek Semiconductor Corp. 
-  Bus 001 Device 002: ID 8087:0a2b Intel Corp. 
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 003: ID 0bda:5682 Realtek Semiconductor Corp.
+  Bus 001 Device 002: ID 8087:0a2b Intel Corp.
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-16-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-4.4.0-16-generic N/A
-  linux-backports-modules-4.4.0-16-generic  N/A
-  linux-firmware                            1.157
+  linux-restricted-modules-4.4.0-16-generic N/A
+  linux-backports-modules-4.4.0-16-generic  N/A
+  linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/01/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.3
  dmi.board.name: 07TYC2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.3:bd03/01/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1565234

Title:
  Intermittent Screen Flicker on Dell XPS 13 9350

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am using the Dell XPS 13 9350 with Ubuntu 16.04, and I am
  experiencing random screen flickering where the screen will flicker to
  black for a split second. This happens repeatedly every few seconds
  for half a minute or so. Then the issue will disappear for a few
  minutes, but randomly come back. I have experienced using Ubuntu 16.04
  with Unity, Gnome, and XFCE. See LP#1554613.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-16-generic 4.4.0-16.32
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  Uname: Linux 4.4.0-16-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  caleb      1533 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Apr  2 05:06:21 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=ac6dd208-0bc0-443d-bc73-3411a80e0328
  InstallationDate: Installed on 2016-03-19 (13 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160319)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0bda:5682 Realtek Semiconductor Corp.
   Bus 001 Device 002: ID 8087:0a2b Intel Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-16-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-16-generic N/A
   linux-backports-modules-4.4.0-16-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/01/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.3
  dmi.board.name: 07TYC2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.3:bd03/01/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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