linux-kernel - Re: 4.7-rc6: NMI in intel

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Message-ID: <alpine.LRH.2.20.1607121525060.2088@math.ut.ee>
Date:	Tue, 12 Jul 2016 15:27:19 +0300 (EEST)
From:	Meelis Roos <mroos@...ux.ee>
To:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-pm@...r.kernel.org, Len Brown <lenb@...nel.org>
Subject: Re: 4.7-rc6: NMI in intel_idle on HP Proliant G6

> On HP Proliant DL360 G6, Debian unstable 4.6 kernel runs fine but 
> selfcompiled 4.7-rc6 and 4.7-rc7 sometimes crash with NMI from 
> intel_idle. Sometimes it boots fine. With intel_idle disabled, it has 
> booted successful so far in 2 tries, one with rc6 and one with rc7.

More testing shows it can NMI on acpi_idle too, not just intel_idle.

> Screenshot with some backtrace: 
> http://kodu.ut.ee/~mroos/intel-idle-NMI.png

http://kodu.ut.ee/~mroos/acpi-idle-NMI.png

-- 
Meelis Roos (mroos@...ux.ee)