On Fri, 11 Jun 2004, jreif wrote: > I have bash processes that hang sometimes and have been investigating > with gdb. I have gathered the output from gdb about an offending > process and included below. I am running 1.5.9 of the cygwin dll, I > have searched through other postings and in google. Have seen some > references to hanging in bash but mostly occurring with rsync or ssh. > This is very reproducable for me. Any help is appreciated.
Ok, time for a new acronym: <http://cygwin.com/acronyms/#PCYMTWLL>. :-) > (gdb) attach 7804 > Attaching to process 7804 > ---Type <return> to continue, or q <return> to quit--- > [Switching to thread 7804.0x18fc] > (gdb) bt > #0 0x77fa144c in ntdll!DbgUiConnectToDbg () from > /cygdrive/c/WINNT/system32/ntdll.dll > #1 0x7c57feb4 in KERNEL32!DebugActiveProcess () from > /cygdrive/c/WINNT/system32/KERNEL32.DLL > #2 0x61003e24 in getprogname () from /usr/bin/cygwin1.dll > #3 0x61003dda in getprogname () from /usr/bin/cygwin1.dll > (gdb) thread 3 > [Switching to thread 3 (thread 7804.0x14d8)]#0 0x77f9323e in > ntdll!ZwWaitForMultipleObjects () from /cygdrive/c/WINNT/system32/ntdll.dll > (gdb) bt > #0 0x77f9323e in ntdll!ZwWaitForMultipleObjects () from > /cygdrive/c/WINNT/system32/ntdll.dll > #1 0x7c59a059 in WaitForMultipleObjectsEx () from > /cygdrive/c/WINNT/system32/KERNEL32.DLL > #2 0x7c599f6c in WaitForMultipleObjects () from > /cygdrive/c/WINNT/system32/KERNEL32.DLL > #3 0x61003e24 in getprogname () from /usr/bin/cygwin1.dll > #4 0x61003dda in getprogname () from /usr/bin/cygwin1.dll > (gdb) Doesn't look too out-of-order to me... It's normal to have one or two threads waiting in WaitForMultipleObjects (on signal handling and such). What are the other threads doing? (Hint: 'info threads'). Igor P.S. If *all* of the threads are in that method, _then_ something's wrong. -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ [EMAIL PROTECTED] ZZZzz /,`.-'`' -. ;-;;,_ [EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "I have since come to realize that being between your mentor and his route to the bathroom is a major career booster." -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
