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[Bug 1323423] Re: function keys cause machine to freeze

 

slumbergod, thank you for reporting this and helping make Ubuntu better. Could you please test the latest upstream kernel available (3.16-rc7) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-3.15-rc6

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: regression-release

** Summary changed:

- function keys cause machine to freeze
+ [Samsung NP350E5C-A02AU] function keys cause machine to freeze

** Description changed:

- Samsung notebook: NP350E5C-A02AU
- 
  FN+F6 (Mute), FN+F7 (Volume Down), and FN+F7 (Volume Up) cause the
  machine to become highly unstable requiring a power off holding the
- power button in.
- 
- This did NOT happen in Ubuntu 13.04 so I conclude that it is a hardware
- issue under newer kernels (one of many issues, all being reported
- individually).
+ power button in. This did not happen in Ubuntu 13.04.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  slumbergod   2252 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  slumbergod   2252 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Tue May 27 09:23:11 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-18 (38 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140414)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 350V5C/351V5C/3540VC/3440VC
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic.efi.signed root=UUID=7ef0aef5-c4f9-45fb-b729-95b463a492d6 ro quiet splash acpi_backlight=vendor vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-27-generic N/A
-  linux-backports-modules-3.13.0-27-generic  N/A
-  linux-firmware                             1.127.2
+  linux-restricted-modules-3.13.0-27-generic N/A
+  linux-backports-modules-3.13.0-27-generic  N/A
+  linux-firmware                             1.127.2
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/04/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P09ABE
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: NP350E5C-A02AU
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: BOARD REVISION 00
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP09ABE:bd07/04/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn350V5C/351V5C/3540VC/3440VC:pvrP09ABE.012.CP:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP350E5C-A02AU:rvrBOARDREVISION00:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 350V5C/351V5C/3540VC/3440VC
  dmi.product.version: P09ABE.012.CP
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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

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

-- 
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https://bugs.launchpad.net/bugs/1323423

Title:
  [Samsung NP350E5C-A02AU] function keys cause machine to freeze

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  FN+F6 (Mute), FN+F7 (Volume Down), and FN+F7 (Volume Up) cause the
  machine to become highly unstable requiring a power off holding the
  power button in. This did not happen in Ubuntu 13.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  slumbergod   2252 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Tue May 27 09:23:11 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-18 (38 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140414)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 350V5C/351V5C/3540VC/3440VC
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic.efi.signed root=UUID=7ef0aef5-c4f9-45fb-b729-95b463a492d6 ro quiet splash acpi_backlight=vendor vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/04/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P09ABE
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: NP350E5C-A02AU
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: BOARD REVISION 00
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP09ABE:bd07/04/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn350V5C/351V5C/3540VC/3440VC:pvrP09ABE.012.CP:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP350E5C-A02AU:rvrBOARDREVISION00:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 350V5C/351V5C/3540VC/3440VC
  dmi.product.version: P09ABE.012.CP
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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