Re: 4.7-rc6: NMI in intel_idle on HP Proliant G6

From: Meelis Roos
Date: Tue Jul 12 2016 - 08:25:27 EST


> 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@xxxxxxxx)