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[Shoham Peller <shoham_peller@xxxxxxxxx>]

Thank you Christopher for your help. I have a full Ubuntu installation
of course, but every time I show my friend how cool is Ubuntu with a
liveCd on their computers, it freezes, and kills their excitement.
That's why I want to help get it fixed.

I've updated my bios, but it didn't help.
What happened is same as always, I've rebooted to an Ubuntu 14.04.01 LTS CD, in the welcome screen I've chosen "Try Ubuntu", my system booted up and everything seemed to work, but after leaving my computer for a few hours, I came back to a black screen with a freezed mouse pointer, and nothing I could do except hard rebooting my computer.

The commands you asked for:
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
F11
08/20/2010

I don't know why you've decided it has anything to do with the bios, but this happened in every computer I've ever tried Ubuntu on, including several laptops and desktops from different manufacturers. I don't believe they all had the same bios.
If you'd like, I can try and restore this behavior on other computers, so you'll see it happens on a lot of computers from different manufacturers. What information would you want from those computers?

Thank you again

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

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

Title:
  [Gigabyte H55M-UD2H] After booting from live-cd, choosing "Try Ubuntu"
  and using the system for some time, the system freezes

Status in “linux” package in Ubuntu:
  Confirmed

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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