[Bug 288900] loader.efi: System won't boot without kvm or console=comconsole in loader.conf
Date: Thu, 24 Sep 2026 07:24:24 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288900
--- Comment #11 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=b5f0e7f36afc20bf17e9e955454b445d686cda06
commit b5f0e7f36afc20bf17e9e955454b445d686cda06
Author: Warner Losh <imp@FreeBSD.org>
AuthorDate: 2026-09-24 07:22:16 +0000
Commit: Warner Losh <imp@FreeBSD.org>
CommitDate: 2026-09-24 07:22:25 +0000
loader.efi: Be cautious about using GOPs
When we're searching for the EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID (GOPs) to
use, skip any whose Mode or Mode->Info pointers are NULL. The spec
requires these to be non-null, however, some firmwares seem to fail to
populate the Info when, for example, a monitor is not present. Work
around these bugs by skipping any GOPs with bad pointers.
PR: 288900
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D59830
stand/efi/loader/framebuffer.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
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