Linux kernel reboots on execution from Server Install CD in CSM/BIOS mode using SuperMicro MBD-X11SAE-M imotherboard
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu |
Invalid
|
Undecided
|
Unassigned |
Bug Description
The Problem
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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, when booted in BIOS/CSM mode, the machine locks-up - no disk activity, no caps lock response, black screen -- upon selecting "Install Ubuntu Server" due to the vga=788 kernel command-line option.
This problem does not occur with the LiveUSB/LiveCD version, as it does not by default invoke the Linux kernel with the "vga=788" option.
Work-Around
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Remove the "vga=788" kernel command-line option to enable the installer to work normally.
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 BIOS (non-EFI) mode
2. Ubuntu 17.04 Alpha 1 Server installer running from a different model USB 3.0 stick booted in BIOS (non-EFI) mode
3. Ubuntu 17.04 Alpha 1 Server installer running from a USB 2.0 Asus Blu-Ray drive booted in BIOS (non-EFI) mode
Additional Notes
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1. Installer sticks were created by dd'ing the ISOs to the memory sticks.
2. Brands/models of USB sticks used for testing:
Kingston HyperX 64GB
Kingston DataTraveler G4 8GB
4. All installer and LiveUSB tests where tried using both the USB 3.0 and USB 3.1 ports on the SuperMicro motherboard.
Hardware
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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)
Booting the installer in bios mode uses LILO rather than GRUB, but this isn't a problem with LILO either... it's just a default setting on the cd image.