On Fri, 3 Aug 2018 18:11:20 +0800 binnan hao <haobin...@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?
