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[Bug 1363151] [NEW] After booting from live-cd, choosing "Try Ubuntu" and using the system for some time, the system freezes

 

Public bug reported:

After booting an Ubuntu 14.04.01 CD (happened in previous versions too), choosing to "Try Ubuntu without installing", and using the system for a few minutes\hours, the system freezes (including the mouse pointer), and I have no choise but to hard-reboot it.
Happens in Ubuntu 14.04.1, Lubuntu 14.04, and other linux distributions as well.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-34-generic 3.13.0-34.60
ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
Uname: Linux 3.13.0-34-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  shoham     2659 F.... pulseaudio
 /dev/snd/controlC0:  shoham     2659 F.... pulseaudio
 /dev/snd/pcmC0D0p:   shoham     2659 F...m pulseaudio
CurrentDesktop: Unity
Date: Fri Aug 29 18:56:35 2014
HibernationDevice: RESUME=UUID=2896b77a-365a-4ff0-a5ed-bd9ea0444593
InstallationDate: Installed on 2013-10-17 (315 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: Gigabyte Technology Co., Ltd. H55M-UD2H
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=4e27bbfa-da03-4843-a97f-810ba01f22d2 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-34-generic N/A
 linux-backports-modules-3.13.0-34-generic  N/A
 linux-firmware                             1.127.5
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-04-18 (133 days ago)
dmi.bios.date: 02/12/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F8
dmi.board.name: H55M-UD2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8:bd02/12/2010:svnGigabyteTechnologyCo.,Ltd.:pnH55M-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH55M-UD2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: H55M-UD2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1363151

Title:
  After booting from live-cd, choosing "Try Ubuntu" and using the system
  for some time, the system freezes

Status in “linux” package in Ubuntu:
  New

Bug description:
  After booting an Ubuntu 14.04.01 CD (happened in previous versions too), choosing to "Try Ubuntu without installing", and using the system for a few minutes\hours, the system freezes (including the mouse pointer), and I have no choise but to hard-reboot it.
  Happens in Ubuntu 14.04.1, Lubuntu 14.04, and other linux distributions as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-34-generic 3.13.0-34.60
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  shoham     2659 F.... pulseaudio
   /dev/snd/controlC0:  shoham     2659 F.... pulseaudio
   /dev/snd/pcmC0D0p:   shoham     2659 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Fri Aug 29 18:56:35 2014
  HibernationDevice: RESUME=UUID=2896b77a-365a-4ff0-a5ed-bd9ea0444593
  InstallationDate: Installed on 2013-10-17 (315 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Gigabyte Technology Co., Ltd. H55M-UD2H
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=4e27bbfa-da03-4843-a97f-810ba01f22d2 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-18 (133 days ago)
  dmi.bios.date: 02/12/2010
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F8
  dmi.board.name: H55M-UD2H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8:bd02/12/2010:svnGigabyteTechnologyCo.,Ltd.:pnH55M-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH55M-UD2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: H55M-UD2H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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References