[Bug 50989] New: ntdll:time: New intermittent QpcSystemTimeIncrement failure

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50989

            Bug ID: 50989
           Summary: ntdll:time: New intermittent QpcSystemTimeIncrement
                    failure
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com
      Distribution: ---

ntdll:time has the following intermittent failure:

time.c:179: Test failed: unexpected QpcSystemTimeIncrement 800000d6bf963e2f,
expected 1<<63

See: https://test.winehq.org/data/tests/ntdll:time.html

So far this failure has only happened when running the 64-bit test on the
following TestBot VMs:
 w10pro64_ar (3 times)
 w10pro64_he (1 time)
 w10pro64_ja (2 times)
 w10pro64_zh_CN (2 times)

>From the time this test was introduced to now there have been 8 failures out of
68 WineTest runs on the impacted VMs, that is at most an 11.7% failure rate.

It is strange that it has not happened on the other configurations like
w10pro64, w10pro64_fr, w10pro64_ko, etc. Given the low failure rate this may
just be a matter of time though.


This check was introduced in the following commit:

commit d9d478e277bcf60e47803d00d1897e8aa649027c
Author: Rémi Bernon <rbernon at codeweavers.com>
Date:   Thu Mar 18 17:22:06 2021 +0100

    ntdll/tests: Add RtlQueryPerformanceCounter tests.

    Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
    Signed-off-by: Jacek Caban <jacek at codeweavers.com>
    Signed-off-by: Alexandre Julliard <julliard at winehq.org>

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