From: bugzilla-daemon@bugzilla.kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 103351] Machine check exception on Broadwell quad-core with SpeedStep enabled
Date: Mon, 24 Aug 2015 12:22:01 +0000 [thread overview]
Message-ID: <bug-103351-137361-LXxsDjBxGE@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-103351-137361@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=103351
Kristóf Marussy <kris7topher@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|cpufreq |intel_idle
--- Comment #1 from Kristóf Marussy <kris7topher@gmail.com> ---
I managed to get a stable system by booting with the processor.max_cstate=0
intel_idle.max_cstate=0 idle=poll and SpeedStep enabled. However, if I set
idle=halt or idle=nomwait instead, the MCEs remain.
In Windows, the Performance monitor displays that the system utilizes C-states
that are claimed to be C1, C2 and C3; so it is quite odd that C1 halt in Linux
triggers an MCE...
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next prev parent reply other threads:[~2015-08-24 12:22 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-23 13:45 [Bug 103351] New: Machine check exception on Broadwell quad-core with SpeedStep enabled bugzilla-daemon
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