Bug#905094: Grub2 boot card dead

[Felix Zielcke]

On Fri, 3 Aug 2018 18:11:20 +0800 binnan hao <haobinnan at gmail.com>
wrote:
> More info on the issue:
> 
> The display is connected to motherboard via mDP cable. The memory
contains
> two 16gb memory sticks.
> I don't know whether the issue has something to do with the
resolution. The
> resolution of Grub2 is 1920*1080 when Secure Boot is enabled, and it
is
> 1024*768 when Secure Boot is disabled.
> This patch still does not work:
>
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1785033/+attachment/5170756/+files/0001-i386-linux-Add-support-for-ext_lfb_base.patch
> 
> Hope this info helps a bit to fix the issue.
> 

Does a recent grub2 version now works for you?