> > >Hi, > > > >Recently we hit a problem with one of our file > systems where 2 kernel threads were killed holding > a kmutex. Due to this all the applications which use > the fs blocked waiting for the kmutex. > > > >I am wondering why there is no synchronization type > equivalent to USYNC_PROCESS_ROBUST (which esse > ntially releases the pthread_mutex if the owner dies) > for kmutex. > >I am sure many must have had this kind of problem, > will there be any issue if the mutex held by a > dead thread be released after some time? > > kthreads don't die; if a mutex is held forever, > there's a bug. > > > You need to break out mdb/kmdb and find out who holds > the lock. >
Its actually the user thread that got killed but the corresponding kthread held the mutex for ever. Ramana -- This message posted from opensolaris.org _______________________________________________ opensolaris-code mailing list opensolaris-code@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/opensolaris-code
