[cygcheck] produces repeated output - 6 times!

Thrall, Bryan bryan.thrall@flightsafety.com
Mon May 4 15:55:00 GMT 2009

Christopher Faylor wrote on Monday, May 04, 2009 10:44 AM:
> On Mon, May 04, 2009 at 10:35:46AM -0500, Thrall, Bryan wrote:
>> Christopher Faylor wrote on Monday, May 04, 2009 10:18 AM:
>>> On Mon, May 04, 2009 at 03:11:02PM +0000, Greg Chicares wrote:
>>>> On 2009-05-04 14:44Z, Thrall, Bryan wrote:
>>>>> Corinna Vinschen wrote on Monday, May 04, 2009 3:25 AM:
>>>>>> On Apr 28 11:47, Julio Costa wrote:
>>>>>>> Bug in cygcheck? Or bug in user? :)
>>>>>> Bug in user as far as the position of the -v option is concerned.
>>>>> I can reproduce it; some more details:
>>>>> - 'cygcheck /bin/ash.exe -v' returns 127
>>>>> - it doesn't happen if run from cmd.exe
>>>>> - '/bin/ash.exe -v' from inside bash works just fine
>>>>> Isn't there a feature of Cygwin where it tries 5 or 6 times to
>>>>> Windows apps (such as cygcheck) if they fail in a certain way?
>>>>> could explain the repeated output (i.e. cygcheck is trying to do
>>>>> documented 'cygcheck [PROGRAM] -v' thing but there's a bug), but
>>>>> search fu wasn't able to bring up any results.
>>>> Search for 'proc_retry' in the User's Guide.
>>>> Try setting
>>>>  CYGWIN=proc_retry:1
>>>> to see whether that's what's happening in this case.
>> Thanks, Greg, for the pointer!
>>> If it is, then cygcheck would be exiting with a bad status and bash
>>> would be causing cygcheck to restart.  You wouldn't see the problem
>>> from the windows command line.
>> Aren't those the exact symptoms I described?
> The "exact symptoms"?  No, in fact it was not.  I was clarifying what
> look for but I guess I should have said "Please try this from the
> windows command line".

Sorry, I did say:
>>>>> - 'cygcheck /bin/ash.exe -v' returns 127
>>>>> - it doesn't happen if run from cmd.exe

But I can be more exact:

If I run 'cygcheck /bin/ash.exe -v' from inside cmd.exe, I only get one
copy of the output.
I didn't think to check this before, but %ERRORLEVEL% after running that
is -1073741819 (I think that's the normal way to check return values in

Bryan Thrall
FlightSafety International

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