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Date:      Mon, 21 Feb 2022 18:56:05 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 256594] AMD Ryzen CPU stutter (responsiveness lag)
Message-ID:  <bug-256594-227-k6D0FmAAON@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-256594-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-256594-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256594

Bob Frazier <bobf@mrp3.com> changed:

           What    |Removed                     |Added
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                 CC|                            |bobf@mrp3.com

--- Comment #6 from Bob Frazier <bobf@mrp3.com> ---
I reported what seems to be a similar bug on 12.2-STABLE

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260898

Workaround:
sysctl kern.eventtimer.timer=3DHPET
sysctl machdep.idle=3Dmwait

(if necessary disable powerd also)

If this works, it's probably the same bug

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