Since upgrading to the latest version of Cygwin a few weeks ago on a server I
manage, I've been experiencing an issue with fork errors. The Cygwin
installation had not been updated for almost a year before that.
The issue happens every time a script is invoked that purges files from some
temporary directories, but never in the same place in the script. The script
uses multiple calls to find -exec to remove files over 10 days old from the
directories. Here is a typical error. Sometime the issue will assert after
just a few tens of files deleted, sometimes after hundreds or thousands of
files have been deleted:
removed '/cygdrive/d/.../obfuscated.datedata.txt'
1 [main] find 20066 dofork: child -1 - forked process 4068 died
unexpectedly, retry 0, exit code 0xC0000142, errno 11
find: cannot fork: Resource temporarily unavailable
It also happens randomly at other times. I've seen the bash shell itself
fail on the invocation of a mintty. I've seen it happen on all sorts of
interactive commands entered from bash.
Today, as a test, I updated all the installed Cygwin components. One of the
post installation scripts failed, so I re-exec'd it:
$ ./postinstall/0p_update-info-dir.dash
Rebuilding info directory
2 [main] dash 2059 dofork: child -1 - forked process 7676 died
unexpectedly, retry 0, exit code 0xC0000142, errno 11
./postinstall/0p_update-info-dir.dash: 22: Cannot fork
A second re-exec then worked fine.
I've tried reinstalling all the components, and I've tried rebaseall.
Is there anything else I can try, or troubleshooting steps to take?
Best Regards,
Dale
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