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[Martin <axiomize@xxxxxxxx>]

One further datapoint: I noticed a setting in the bios menu: touchpad
"advanced" vs "basic".  Switching to "basic" makes the touchpad work in
4.1.0rc1.  That's very nice although I have no idea what the difference
between the two might be.  Maybe I'll find out some day.

Now only the shutdown issue remains...

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https://bugs.launchpad.net/bugs/1449252

Title:
  Touchpad on Acer Aspire ES1-311-C37D does not work with kernel >
  3.14.39-031439.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I upgraded my (l)ubuntu to 15.04, which resulted in a non-detected
  touchpad, i.e., xinput does not list it.  I then tried various
  mainline kernels, with the following results.

  With the following kernels, the touchpad works:

  Linux Martin-Laptop 3.13.0-49-generic #83-Ubuntu SMP Fri Apr 10 20:11:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
  Linux Martin-Laptop 3.14.39-031439-generic #201504211206 SMP Tue Apr 21 11:09:35 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  With the following kernels, it doesn't:

  Linux Martin-Laptop 3.15.0-031500-generic #201406131105 SMP Fri Jun 13 15:06:46 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  Linux Martin-Laptop 3.15.10-031510-generic #201408132333 SMP Thu Aug 14 03:35:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  Linux Martin-Laptop 3.16.0-34-generic #47-Ubuntu SMP Fri Apr 10 18:02:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
  Linux Martin-Laptop 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  4.0.0-040000-generic did not work either.

  On the other hand, 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16
  23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux appears to be the
  first kernel with which screen brightness control works...

  With all kernels, I have a problem with shutting down the computer:
  when shutting down, at some (random?) point, the computer "freezes"
  and the screen remains on (with the lubuntu logo which is displayed
  during the shutdown process.)

  Thanks for providing ubuntu!

  Martin

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  martin     1909 F.... pulseaudio
  CurrentDesktop: LXDE
  Date: Mon Apr 27 22:21:38 2015
  HibernationDevice: RESUME=UUID=1b425cd9-2680-4489-9729-1e9bbc024f85
  InstallationDate: Installed on 2015-02-11 (75 days ago)
  InstallationMedia:
   
  MachineType: Acer Aspire ES1-311
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic root=UUID=980e7810-c6a4-4211-b478-cc8152085b9a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-04-27 (0 days ago)
  dmi.bios.date: 10/24/2014
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.10
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Aspire ES1-311
  dmi.board.vendor: Acer
  dmi.board.version: V1.10
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.10
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.10:bd10/24/2014:svnAcer:pnAspireES1-311:pvrV1.10:rvnAcer:rnAspireES1-311:rvrV1.10:cvnAcer:ct10:cvrV1.10:
  dmi.product.name: Aspire ES1-311
  dmi.product.version: V1.10
  dmi.sys.vendor: Acer

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