https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251276
Bug ID: 251276
Summary: [boot] Legacy BIOS boot hangs indefinitely with
post-12.0-RELEASE loader
Product: Base System
Version: 12.2-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: misc
Assignee: b...@freebsd.org
Reporter: ncoll...@xes-inc.com
Created attachment 219835
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=219835&action=edit
screenshot of the step where booting hangs
With 12.1-RELEASE, 12.2-RELEASE, and 13.0-CURRENT's /boot/loader, my server
prints "BIOS drive X: is diskXX" lines, spins the cursor for a bit, and hangs
indefinitely. Removing all non-OS drives does not resolve the issue. I can
replace /boot/loader with the version from 12.0-RELEASE and boot fine, so this
seems like a regression.
This is likely hardware-specific; the server is a Supermicro SuperStorage
6049P-E1CR36L with a mirrored zpool as the root. It was initially installed
with 12.0-RELEASE, freebsd-update'd to 12.1-RELEASE, where this issue first
occurred (was worked around via UEFI, see below), then freebsd-update'd to
12.2-RELEASE, which didn't resolve the issue. I then tested 13.0-CURRENT's
loader and reverted to 12.0-RELEASE's loader.
UEFI boot has other problems - it hangs at the "Consoles: EFI" line and will
only boot normally if two drives are removed (all drive bays are usually
populated). The behavior is the same with 12.0-RELEASE's /boot/loader.efi, so
while it's an issue, it's probably unrelated and not a regression from
12.0-RELEASE.
This is potentially related to bug #241118, but the fix in base r356003
released in 12.2-RELEASE/13.0-CURRENT has not resolved the problem.
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