Mail Archives: cygwin/2008/05/15/13:07:31
Hello,
A while back I posted a problem with regard to performance issue with sshd and cygrunsrv: http://cygwin.com/ml/cygwin/2008-03/msg00306.html No luck, and re-starting my investigation.
Larry's last suggestion (thank you, Larry) was to try running my service as a local user, not a domain user. However in this case it is not possible, as I'm running Windows Small Business Server 2003, which *must* be a domain controller and therefore all accounts are domain account (apparently). Is running as a domain user a known performance issue?
I have some new information that might help:
Since this problem happens even when running 'date', i compiled a version of date with debug symbols and ran it through gdb. Seems that the line of code that it ultimately hangs up on (for 7 seconds, at 100% cpu) is in gettime.c (line 36):
...snip...
if (clock_gettime (CLOCK_REALTIME, ts) == 0)
...snip...
Which it seems is exported from cygwin1.dll. Since this problem affects just about all programs (not just 'date'), i suspect the same is true in other cases --hangs up when callling anything in cygwin1.dll.
Note that this doesn't happen in all cases -- only when logged in via ssh, or when cron is running something. probably something related to the context under which the parent process is running.
Any ideas on how I can further troubleshoot, considering using a non-domain user is not an option?
Regards,
Steve
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