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Date:      Sat, 06 Dec 2025 16:16:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 290098] bhyve crashes when trying to boot or run a 9front VM and other OSes
Message-ID:  <bug-290098-27103-5QDl642LDw@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-290098-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-290098-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290098

--- Comment #21 from Mark Peek <mp@FreeBSD.org> ---
(In reply to Bakul Shah from comment #20)

1. openbsd 7.8 can not be installed from downloaded
>From what I can tell NetBSD did not support UEFI until 8.0.

2. netbsd 10.1 crashes every time on 15. Running the same VM on 14 works
Interesting, I was able to boot 10.1 to the installer on FreeBSD 16.0-CURRENT
#0 main-n282278-639e65144aa7. Were you seeing the same abort from this bug
report? Did it occur at initial boot the same as 9front?


For 9front, I was able to get past the abort on 16-current and 15.0 by
reverting this commit and recompiling bhyve.

commit fb51ddb20d57a43d666508e600af1bc7ac85c4e8
bhyve: increase fbuf display resolution limit
https://github.com/freebsd/freebsd-src/commit/fb51ddb20d57a43d666508e600af1bc7ac85c4e8

This changes the PCI frame buffer memory configuration back to what was used in
FreeBSD 14 and as such does not overlap with another device to cause the abort.
This is just a workaround as I think there is fundamentally a different issue
causing the overlap/abort.

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