Re: Troubleshooting chronic forked process errors

[Achim Gratz]

Keith Christian writes:
> Still seeing the following errors on stderr while running various
> commands and scripts.
>
> Usually these errors do not seem to impact anything, but occasionally
> they do, such as when data fails to be written to files created during
> script runs.
>
>
>   0 [main] -bash 8296 fork: child -1 - forked process 6560 died
> unexpectedly, retry 0, exit code 0xC005, errno 11
[…]
>
>   0 [main] mandb 7060 fork: child -1 - forked process 6560 died
> unexpectedly, retry 0, exit code 0xC005, errno 11
> mandb: fork failed: Resource temporarily unavailable

It's odd that the process number it tries to fork to would be the same in
both cases.  Are these verbatim pasted or did you edit the messages?

In any case, the error is the Windows equivalent of a SEGV, so
something's seriously gone wrong with the memory map in the forked
process (BLODA?).  The Windows event log might have some more
information.

> Anyone else seeing these?

It seems you are the second person to report such errors.  Since the
first reporter didn't follow up, we don't know if his problems have gone
away and what the reason might have been.  One suggestion was to reduce
the number of entries in $PATH to just the minimum (or set
CYGWIN_NOWINPATH before starting Cygwin if you use bash).


Regards,
Achim.
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Re: Troubleshooting chronic forked process errors

[Larry Hall (Cygwin)]

On 05/13/2015 03:06 PM, Keith Christian wrote:

Hello Cygwin Users,


I am running an up to date Cygwin installation on Windows 7:

Kernel version:Windows 7 Enterprise, Multiprocessor Free
Product type:  Professional
Product version:   6.1
Service pack:  0
Kernel build number:   7601

CYGWIN_NT-6.1-WOW MYCOMPUTER 2.0.2(0.287/5/3) 2015-05-08 17:03 i686 Cygwin




Still seeing the following errors on stderr while running various
commands and scripts.

Usually these errors do not seem to impact anything, but occasionally
they do, such as when data fails to be written to files created during
script runs.


   0 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes
4306814 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes
31914464 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes
99374829 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes
116312955 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes
166575171 [main] -bash 8296 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
-bash: fork: retry: No child processes


   0 [main] mandb 7060 fork: child -1 - forked process 6560 died
unexpectedly, retry 0, exit code 0xC005, errno 11
mandb: fork failed: Resource temporarily unavailable


Anyone else seeing these?


Do you have a test case and cygcheck output (see link below for details if
you need them)?


Problem reports:   http://cygwin.com/problems.html



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