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Date:   Thu, 26 Apr 2018 14:33:11 -0700
From:   John Stultz <john.stultz@...aro.org>
To:     Jeffrin Thalakkottoor <jeffrin@...agiritech.edu.in>
Cc:     Shuah Khan <shuah@...nel.org>, Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>, sboyd@...nel.org,
        linux-kselftest@...r.kernel.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: possible BUG: selftest about raw_skew failed

On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor
<jeffrin@...agiritech.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

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