@Zhanglei Could you try these 2 patches?
https://patchwork.freedesktop.org/patch/246810/ https://patchwork.freedesktop.org/patch/246811/ I think these 2 patches will fix the issue that dual GPU install on UEFI boot mode. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762940 Title: Ubuntu 18.04 d-i install screen becomes blurry on Huawei server in EFI boot mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1762940/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs