On Thu, Mar 08, 2012 at 10:55:35AM +0100, Corinna Vinschen wrote: >On Mar 8 09:50, Denis Excoffier wrote: >> On Wed, Mar 07, 2012 at 06:47:49PM +0100, Corinna Vinschen wrote: >> >> Hi Denis, >> >> >> >> can you please test this again using the latest developer snapshot or >> >> the current from CVS if you build Cygwin by yourself? It provides a bit >> >> more information to find the reason for the permission denied error in >> >> _pinfo::dup_proc_pipe. >> Thank you cgf (the committer and snapshot maker at least). >> >> >> >> In theory, the user should have permissions to duplicate handles into >> >> every own process, if the handle has been opened with these permissions, >> >> so it's quite interesting to find the reason. >> >> >> >> After about 3 hours of exercising the new snapshot (and shaking it a >> little), i met the "something failed" instance only twice: >> >> 1 [main] tcsh 7648! _pinfo::dup_proc_pipe: (child_info_spawn::worker) >> process synchronization failed for pid 7648/0x754, wr_proc_pipe 0x0 vs. >> 0x764: DuplicateHandle winerr 5, WFSO returned 258, Win32 error 5 >> 503 [main] tcsh 6148! _pinfo::dup_proc_pipe: (child_info_spawn::worker) >> process synchronization failed for pid 6148/0x758, wr_proc_pipe 0x0 vs. >> 0x768: DuplicateHandle winerr 5, WFSO returned 258, Win32 error 5 >> >> I continue, of course. > >Thanks, I don't think it's necessary to try further. What this shows is >that the process handle returned by the call to CreateProcess sometimes, >for some reason, does not allow handle duplication. That's weird.
I have a vague idea about why this is happening. I'll look into it within the next 48 hours. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
