[Bug 1666063] Re: GNU GRUB locks up loading kernel/initrd on SuperMicro MBD-X11SAE-M

[Launchpad Bug Tracker]

[Expired for grub2 (Ubuntu) because there has been no activity for 60
days.]

** Changed in: grub2 (Ubuntu)
       Status: Incomplete => Expired

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Title:
  GNU GRUB locks up loading kernel/initrd on SuperMicro MBD-X11SAE-M

Status in grub2 package in Ubuntu:
  Expired

Bug description:
  The Problem
  -----------

  Using a SuperMicro MBD-X11SAE-M motherboard, (which uses the Intel
  C236 chipset,) running firmware version 1.0b 03/24/2016 - latest at
  time of filing this bug, the machine locks-up - no disk activity, no
  caps lock response, black screen -- upon invocation of the 'linux'
  command in grub.

  
  Work-Around
  -----------

  Editing the boot script to replace the 'linux' and 'initrd' commands
  with 'linux16' and 'initrd16' allows the boot to complete.

  This behaviour and work-around have been tested under the following
  problem scenarios:

  
  Problem Scenarios
  -----------------

  1.  Ubuntu 16.10 Server installer running from USB 3.0 stick booted in EFI mode
  [Grub version 2.02~beta2-36ubuntu11]

  2.  Ubuntu 17.04 Alpha 1 installer running from a different model USB 3.0 stick booted in EFI mode
  [Grub version 2.02~beta3-3ubuntu2]

  3.  Ubuntu 16.04 LTS LiveUSB running from a a different model USB 3.0 stick booted in EFI mode
  [Grub version 2.02~beta2-36ubuntu3]

  4.  Installed Ubuntu 17.04 Alpha 1, running in BIOS(non-UEFI mode)
  installed to a RAID-1 located on a pair of Corsair Voyager Vega 16GB
  USB 3.0 sticks.

  
  Additional Notes
  ----------------

  1.  All three Server Installer and LiveUSB sticks have been verified
  to boot properly in EFI-mode on a Toshiba laptop when plugged into its
  USB 3.0 port.

  2.  Installer sticks were created by dd'ing the ISOs to the memory
  sticks.

  3.  Brands/models of USB sticks used for testing:
  Kingston HyperX 64GB
  Kingston DataTraveler G4 8GB
  Kingston DataTraveler 100 G3 8GB

  4.  All installer and LiveUSB tests where tried using both the USB 3.0
  and USB 3.1 ports on the SuperMicro motherboard.

  5.  The Linux kernel booted in UEFI mode also has an incompatibility
  with this motherboard.  This ticket only addresses the Grub issue.

  
  Hardware
  --------

  Motherboard: SuperMicro MBD-X11SAE-M Motherboard
  Processor: Intel Xeon E3-1225 v5 SkyLake 3.3 GHz
  RAM: 2x Kingston ValueRAM 16GB (1 x 16G) DDR4 2133 Server Memory ECC DIMM
  SSDs: 2 Samsung 960 EVO M.2 500GB NVMe SSDs (One installed into motherboard socket, one installed into SYBA M.2 PCI-e To PCI-e 3.0 x4 Card)

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