linux-kernel - Re: lockup when C1E and high-resolution timers enabled

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Date:	Sat, 13 Jun 2015 22:19:36 +0200
From:	Heinz Diehl <htd+ml@...tha.org>
To:	Christoph Fritz <chf.fritz@...glemail.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: lockup when C1E and high-resolution timers enabled

On 13.06.2015, Christoph Fritz wrote: 

>  - add kernel parameter "idle=halt" -> system runs fine
>  - disable CONFIG_HIGH_RES_TIMERS -> system runs fine
>  - change motherboard and disable C1E -> system runs fine
>  - change CPU to AMD Phenom II X6 Processor -> system runs fine

I encountered quite some C1E related problems with different Gigabyte
mainboards in the last few years. Try booting with
acpi_skip_timer_override, it fixed most of those problems for me.

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