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From: John Stultz <john.stultz@linaro.org>
To: Jeffrin Thalakkottoor <jeffrin@rajagiritech.edu.in>
Cc: Shuah Khan <shuah@kernel.org>, Kees Cook <keescook@chromium.org>,
	Anton Vorontsov <anton@enomsg.org>,
	Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	sboyd@kernel.org, linux-kselftest@vger.kernel.org,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: possible BUG: selftest about raw_skew failed
Date: Thu, 26 Apr 2018 14:33:11 -0700	[thread overview]
Message-ID: <CALAqxLWphJvPe=v2T2ksjHnQP1Vu7+gZernEgFVXcx5kB+efsQ@mail.gmail.com> (raw)
In-Reply-To: <CAG=yYwmQb-zuq3V9muu=xXsRGa3s1A=fFgz-XJchCiFd+GYUYQ@mail.gmail.com>

On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor
<jeffrin@rajagiritech.edu.in> wrote:
> hello,
>
> failure of a test in selftest:timers
>
> selftests: raw_skew
> ========================================
> WARNING: ADJ_OFFSET in progress, this will cause inaccurate results
> Estimating clock drift: 17.910(est) 16.820(act) [FAILED]

So you're ignoring the warning above. If an ADJ_OFFSET operation is
going on, ntpd (or something similar) is changing the clock, which
will kill the estimated drift calculation.

-john

  parent reply	other threads:[~2018-04-26 21:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-21 14:47 Jeffrin Thalakkottoor
2018-04-26 21:28 ` Thomas Gleixner
2018-04-27  7:41   ` Miroslav Lichvar
2018-04-27 15:28     ` Jeffrin Thalakkottoor
2018-04-26 21:33 ` John Stultz [this message]
2018-04-27 15:27   ` Jeffrin Thalakkottoor

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