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Date:      Wed, 17 May 2023 23:26:52 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko
Message-ID:  <bug-267028-3630-Etykjc8NeL@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-267028-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-267028-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D267028

--- Comment #175 from Graham Perrin <grahamperrin@freebsd.org> ---
(In reply to George Mitchell from comment #174)

> =E2=80=A6 crashes during single user mode, but regrettably they leave no =
trace=20
> =E2=80=A6 the root partition is still mounted read-only. =E2=80=A6

Hint (whilst in single-user mode):=20

mount -uw / && zfs mount -a


sysrc dumpdev

=E2=80=93 you'll probably find a different device, typically the swap parti=
tion.=20


sysrc dumpdir

=E2=80=93 you'll probably find /var/crash.


service dumpon describe

=E2=80=93 if you boot in single user mode after a kernel panic, then /var/c=
rash will
not yet include information about the panic.


service savecore describe

--=20
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