From: Borislav Petkov <bp@alien8.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>, x86-ml <x86@kernel.org>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large:
Date: Wed, 29 Jun 2016 19:16:19 +0200 [thread overview]
Message-ID: <20160629171619.GA3691@pd.tnic> (raw)
In-Reply-To: <20160627200631.GA3678@pd.tnic>
On Mon, Jun 27, 2016 at 10:06:31PM +0200, Borislav Petkov wrote:
> Hey Thomas,
>
> Just started seeing this now during testing of Rafael's s/r fix:
>
> [ 24.973955] clocksource: timekeeping watchdog on CPU3: Marking clocksource 'tsc' as unstable because the skew is too large:
> [ 24.987744] clocksource: 'acpi_pm' wd_now: 2df835 wd_last: a6bb64 mask: ffffff
> [ 24.999587] clocksource: 'tsc' cs_now: 2bbe793d1e cs_last: 296e28763c mask: ffffffffffffffff
> [ 25.013400] clocksource: Switched to clocksource acpi_pm
>
> In the previous boot it was CPU1.
And here it is again:
...
[ 15.720833] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 32.883077] clocksource: timekeeping watchdog on CPU1: Marking clocksource 'tsc' as unstable because the skew is too large:
[ 32.896986] clocksource: 'acpi_pm' wd_now: 8e147 wd_last: 531b43 mask: ffffff
[ 32.908834] clocksource: 'tsc' cs_now: 385f4b6d1e cs_last: 354328bcea mask: ffffffffffffffff
[ 32.922293] clocksource: Switched to clocksource acpi_pm
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
next prev parent reply other threads:[~2016-06-29 17:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-27 20:06 Borislav Petkov
2016-06-29 17:16 ` Borislav Petkov [this message]
2016-06-30 7:57 ` Mike Galbraith
2016-06-30 8:41 ` Thomas Gleixner
2016-06-30 9:15 ` Mike Galbraith
2016-06-30 9:42 ` Thomas Gleixner
2016-06-30 9:49 ` Mike Galbraith
2016-06-30 10:24 ` Thomas Gleixner
2016-06-30 13:39 ` Mike Galbraith
2016-06-30 13:43 ` Thomas Gleixner
2016-06-30 14:27 ` Borislav Petkov
2016-06-30 14:29 ` Mike Galbraith
2016-06-30 20:11 ` Richard Cochran
2016-06-30 10:29 ` Mike Galbraith
2016-06-30 10:31 ` Thomas Gleixner
2016-06-30 8:40 ` Thomas Gleixner
2016-06-30 9:49 ` Borislav Petkov
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