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Date:      Thu, 10 Dec 2020 18:05:11 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 251736] [panic] memcpy_erms general protection fault on AMD Zen 3 (Ryzen 5000 series)
Message-ID:  <bug-251736-227-a5r7h80JQr@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-251736-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-251736-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251736

--- Comment #1 from Mateusz Guzik <mjg@FreeBSD.org> ---
The panicking instruction is rep movsb %ds:(%rsi),%es:(%rdi)

So to be clear, there are no issues if you disable the extension? This will
give a way forward.

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