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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

I found a way to reproduce this bug and am currently bisecting it.

15.04 can be installed using the "Fast Installer".  This will work
without causing a panic on install.

I then installed the intel-gpu-tools test package.  Using the following
test from intel-gpu-tools will cause the panic:

kms_pipe_crc_basic --run-subtest hang-read-crc-pipe-B

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https://bugs.launchpad.net/bugs/1438853

Title:
  [Anders-2]Ubuntu 15.04: Kernel panic seen during installation

Status in linux package in Ubuntu:
  In Progress
Status in maas package in Ubuntu:
  New
Status in linux source package in Vivid:
  In Progress
Status in maas source package in Vivid:
  New

Bug description:
  Ubuntu 15.04 fails with Kernel Panic.

  Installer used is latest dated 24-March 2015

  http://archive.ubuntu.com/ubuntu/dists/vivid/main/installer-
  amd64/current/images/netboot/ubuntu-installer/amd64/

  Below is the kernel panic message seen during the installation.

    ┌───────────────────────────┤ Configuring apt ├───────────────────────────┐
    │ │
    │ 35% │
    │ │
    │ Scanning local repositories... │
    │ │
    │ <[ 529.902606] Kernel panic - not syncing: Timeout synchronizing machine check over CPUs │
  [ 531.075045] Shutting down cpus with NMI──────────────────────────────────┘
  [ 531.131326] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
  [ 531.305965] Rebooting in 30 seconds..
  [ 561.537340] ACPI MEMORY or I/O RESET_REG.

  Below is the firmware on the cartridge

  Firmware Revisions:
    c24: #Cartridge 24
      Product Name: ProLiant m720 Server Cartridge
      Cartridge Satellite Firmware: 03/13/2015
      Cartridge System ROM Firmware: H06 02/26/2015
      Cartridge Data: 02/23/2015
      Cartridge Programmable Logic Device: 08
      Cartridge Mellanox ConnectX3Pro Firmware: 2.32.5210

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