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Date:      Mon, 30 Dec 2024 11:36:35 +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-LdZlkI214r@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 #342 from Andriy Gapon <avg@FreeBSD.org> ---
Also, this is strange:
> kernel trap 22 with interrupts disabled
Trap 22 is T_DNA "FPU device not available".
It can happen when kernel executes floating-point (or some extended
instruction) without enabling FPU mode first.

Perhaps, try modifying trap() in sys/amd64/amd64/trap.c to unconditionally
panic for kernel-side T_DNA.

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