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Date:	Thu, 14 Nov 2024 00:40:51 +0900
To:	cygwin AT cygwin DOT com
Subject:	Re: stress-ng --lockmix 1 crashes with *** fatal error -
	NtCreateEvent(lock): 0xC0000035
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From:	Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Tue, 12 Nov 2024 15:28:41 +0100
Sebastian Feld  wrote:
> stress-ng --lockmix 1 crashes on CYGWIN_NT-10.0-19045
> 3.6.0-0.229.g87cd4f3fbd06.x86_64
> 
> $ stress-ng --lockmix 1
> stress-ng: info:  [174] defaulting to a 1 day run per stressor
> stress-ng: info:  [174] dispatching hogs: 1 lockmix
> stress-ng: info:  [175] lockmix: exercising file lock types: flock locka lockf
>       0 [main] stress-ng 175 C:\cygwin64\bin\stress-ng.exe: *** fatal
> error - NtCreateEvent(lock): 0xC0000035
>                              stress-ng: warn:  [174] metrics-check:
> all bogo-op counters are zero, data may be incorrect
> stress-ng: info:  [174] skipped: 0
> stress-ng: info:  [174] passed: 1: lockmix (1)
> stress-ng: info:  [174] failed: 0
> stress-ng: info:  [174] metrics untrustworthy: 0
> stress-ng: info:  [174] unsuccessful run completed in 1.28 sec
> $ stress-ng: fail:  [176] lockmix: fcntl F_SETLK failed, errno=14 (Bad address)

Thanks for the report. I could reproduce the problem with head of
git repo. I looked into this problem, and might have found the cause.

After enough testing, I'll submit a patch for this issue ASAP.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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