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[pramathesh ambasta <pramathesh.ambasta@xxxxxxxxx>]

Thanks a lot Christopher M. Penalver, especially for the really prompt
response

I upgraded the BIOS like you said. And I think it has worked!

After upgrade, I booted up system as normal, plugged in the 4-port USB
hub and plugged in the Seagate expansion drive into the hub. I then
started backintime for a backup and started doing my work.

It has been nearly 20 minutes since then. Backup has completed without a
problem. The system is still alive and kicking.

Thanks once again. Huge relief

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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/1443764

Title:
  Black screen of death: system suddenly stopped working soon after
  upgrade to kernel 3.16.0.34-generic

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I update the kernel images from update-manager this morning on my
  Ubuntu 14.10 system running on my laptop.

  I had started backintime-gnome to take a backup of my home directory
  on an external seagate drive connected to a 4 port USB hub. This is
  something I do almost daily

  I was editing a desktop shortcut on nano when suddenly I saw a black
  screen with a lot of dumps and messages from the kernel (or what
  seemed like the kernel). The screen was frozen - no mouse movement or
  keyboard movement would restore it. I had to force a restart using the
  power button.

  This is the first time I have encountered something like this.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-34-generic 3.16.0-34.47
  ProcVersionSignature: Ubuntu 3.16.0-34.47-generic 3.16.7-ckt8
  Uname: Linux 3.16.0-34-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  pramathesh   2166 F.... pulseaudio
   /dev/snd/controlC0:  pramathesh   2166 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Apr 14 10:58:03 2015
  HibernationDevice: RESUME=UUID=857060c8-98ed-40ca-8d9e-a1887edd968c
  MachineType: Hewlett-Packard HP ProBook 430 G2
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-34-generic root=/dev/mapper/ubuntu--vg-root ro priority=low quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-34-generic N/A
   linux-backports-modules-3.16.0-34-generic  N/A
   linux-firmware                             1.138.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/07/2014
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: M74 Ver. 01.03
  dmi.board.name: 2246
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 67.22
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvrM74Ver.01.03:bd07/07/2014:svnHewlett-Packard:pnHPProBook430G2:pvrA3008CD10003:rvnHewlett-Packard:rn2246:rvrKBCVersion67.22:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP ProBook 430 G2
  dmi.product.version: A3008CD10003
  dmi.sys.vendor: Hewlett-Packard

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