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From: Joerg Vehlow <lkml@jv-coder.de>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	Miroslav Lichvar <mlichvar@redhat.com>,
	linux-stable <stable@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	lkft-triage@lists.linaro.org
Subject: Re: [4.14] Failing selftest timer/adjtick
Date: Thu, 11 Feb 2021 11:34:58 +0100	[thread overview]
Message-ID: <4fa3c57d-23ea-2f8c-72fe-d23f3146f571@jv-coder.de> (raw)
In-Reply-To: <CA+G9fYuQL9=gJJtWp7wHRzY1dc4q-Be4XjrZJUmYTJUbDEN=dA@mail.gmail.com>

Hi,

On 2/10/2021 7:59 PM, Naresh Kamboju wrote:
> I have tested adjtick on arm64 juno-r2 device and it got pass
> and here is the test output on Linux version 4.14.221-rc1.
Interesting. Is this vanilla 4.14.221 or are there some o-e patches applied?
I just tried again on qemu arm with 4.14.222 from kernel.org stable tree 
and still have failures like the one below every time I try. The failing 
test step differs, but it always fails.

Each iteration takes about 15 seconds
Estimating tick (act: 9000 usec, -100000 ppm): 9000 usec, -100000 ppm    
[OK]
Estimating tick (act: 9250 usec, -75000 ppm): 9250 usec, -75001 ppm    [OK]
Estimating tick (act: 9500 usec, -50000 ppm): 9501 usec, -49995 ppm    [OK]
Estimating tick (act: 9750 usec, -25000 ppm): 9750 usec, -25003 ppm    [OK]
Estimating tick (act: 10000 usec, 0 ppm): 9996 usec, -463 ppm [FAILED]
Bail out!
Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0
1..0


Joerg

  reply	other threads:[~2021-02-11 10:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10 12:43 [4.14] Failing selftest timer/adjtick Joerg Vehlow
2021-02-10 13:00 ` Greg KH
2021-02-10 13:07   ` Joerg Vehlow
2021-02-10 13:19     ` Miroslav Lichvar
2021-02-10 18:59       ` Naresh Kamboju
2021-02-11 10:34         ` Joerg Vehlow [this message]
2021-02-11 10:33       ` Joerg Vehlow
2021-02-11 10:45         ` Greg KH
2021-02-11 10:59         ` Miroslav Lichvar
2021-02-18  7:05           ` Joerg Vehlow
2021-03-01  7:04           ` Joerg Vehlow

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