[bug #66200] Booting EFI shell from GRUB using "chainloader" in Qemu with UEFI boot shows video artifacts if we have all_video

Askar Safin <[email protected]> Tue, 10 Sep 2024 07:13:58 -0400 (EDT)

Newsgroups	gmane.comp.boot-loaders.grub.bugs
Message-ID	<[email protected]>

URL:
  <https://savannah.gnu.org/bugs/?66200>

                 Summary: Booting EFI shell from GRUB using "chainloader" in
Qemu with UEFI boot shows video artifacts if we have all_video
                   Group: GNU GRUB
               Submitter: safinaskar
               Submitted: Tue 10 Sep 2024 11:13:53 AM UTC
                Category: Booting
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: other
                 Release: 
         Reproducibility: Every Time
         Planned Release: None


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Follow-up Comments:


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Date: Tue 10 Sep 2024 11:13:53 AM UTC By: Askar Safin <safinaskar>
In UEFI boot mode command "insmod all_video" should load "efi_gop" only, and
should not load any other video drivers. Here are explanation why we should do
this, i. e. description of the bug, caused by current behavior:
https://gitlab.com/qemu-project/qemu/-/issues/2562 .

Qemu project said this is not their bug, so I forward it here







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