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Date:      Sat, 13 Jul 2024 01:50:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 279887] 9pfs kernel page fault on shutdown on a bhyveload(8) or UEFI-booted FreeBSD VM
Message-ID:  <bug-279887-27103-uE9GARREur@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-279887-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-279887-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279887

--- Comment #4 from Michael Dexter <editor@callfortesting.org> ---
(In reply to Danilo Egea Gondolfo from comment #3)
File to patch: /usr/src/sys/fs/p9fs/p9fs_vnops.c
Patching file /usr/src/sys/fs/p9fs/p9fs_vnops.c using Plan A...
Hunk #1 succeeded at 125.
done

(buildkernel/installkernel)
(boot)

root@freebsd:~ # uname -a
FreeBSD freebsd 15.0-CURRENT FreeBSD 15.0-CURRENT #0: Sat Jul 13 01:43:28 U=
TC
2024     root
@t14:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
root@freebsd:~ # reboot
Jul 13 01:46:23 freebsd syslogd: exiting on signal 15
Waiting (max 60 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 0 0 done
All buffers synced.
Uptime: 54s
root@t14:~/imagine-work # sh: turning off NDELAY mode

Yes! No page fault on shutdown!

Hopefully that's it. Good work!

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