From: bugzilla-daemon@bugzilla.kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 120561] powernow_k8 causes kernel panic during block device write access
Date: Tue, 02 Jul 2019 22:21:56 +0000 [thread overview]
Message-ID: <bug-120561-137361-0AcZvXB5la@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-120561-137361@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=120561
kr@sognnes.no changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
--- Comment #3 from kr@sognnes.no ---
It seems this bug was caused by the kernel misidentifying the number of
available PowerNow states on certain AMD CPUs, and was thus very CPU-specific.
As of right now, none of the currently supported kernels (4.4.184, 4.9.184,
4.14.131, 4.19.56, and 5.1.15) have any issues with the particular AMD CPU on
the system that originally exhibited the problem.
The newer kernels all report significantly fewer power states, and the ondemand
governor can now be enabled without issue.
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prev parent reply other threads:[~2019-07-03 0:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-120561-137361@https.bugzilla.kernel.org/>
2016-06-20 3:35 ` [Bug 120561] powernow_k8 causes kernel panic during block device write access bugzilla-daemon
2019-07-02 22:21 ` bugzilla-daemon [this message]
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