From: Thomas Gleixner <tglx@linutronix.de>
To: Prarit Bhargava <prarit@redhat.com>
Cc: linux-kernel@vger.kernel.org,
John Stultz <john.stultz@linaro.org>,
x86@kernel.org
Subject: Re: [PATCH] x86, clocksource, fix !CONFIG_CLOCKSOURCE_WATCHDOG compile
Date: Mon, 27 May 2013 17:29:49 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.02.1305271729170.4220@ionos> (raw)
In-Reply-To: <51A36FB3.9050607@redhat.com>
On Mon, 27 May 2013, Prarit Bhargava wrote:
>
>
> On 05/27/2013 06:00 AM, Thomas Gleixner wrote:
> > On Fri, 22 Feb 2013, Prarit Bhargava wrote:
> >
> >> If I explicitly disable the clocksource watchdog in the x86 Kconfig,
> >
> > And why do you want to do that?
>
> Hey Thomas, I was debugging something and stumbled across this.
>
> IIRC the issue was that there some weirdness on a series of new AMD systems and
> unfortunately the watchdog would fire and switch clocksources on me :( That
> resulted in me not being able to debug the HW because the clocksource I wanted
> was no longer available.
tsc=reliable on the kernel command line kills the watchdog
requirement.
Thanks,
tglx
next prev parent reply other threads:[~2013-05-27 15:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 20:08 [PATCH] x86, clocksource, fix !CONFIG_CLOCKSOURCE_WATCHDOG compile Prarit Bhargava
2013-02-22 20:14 ` Thomas Gleixner
2013-02-24 17:04 ` Prarit Bhargava
2013-02-25 14:21 ` Prarit Bhargava
2013-02-25 15:01 ` Prarit Bhargava
2013-05-27 10:00 ` Thomas Gleixner
2013-05-27 14:37 ` Prarit Bhargava
2013-05-27 15:29 ` Thomas Gleixner [this message]
2013-07-22 23:01 ` John Stultz
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