On Tue, 18 Mar 2014 01:42:42 -0500 Mike South <[email protected]> wrote: > I recently had a problem come up with my D1 app. I have the app > writing the PID to the database at start and stop of a particular > route, and I have two runs that never completed. > > I did an strace on the worker and it looked like this: > > [root@host ~]# strace -p 26508 > Process 26508 attached - interrupt to quit > flock(10, LOCK_EX > > lsof on that process gave me > > starman 26508 apps 10wW REG 8,22 0 > 24 /tmp/3j6mXZXwWM (deleted) > > (not sure, but I think the 10 in the flock call and the 10 in the > 10wW mean that we're talking about the same file?).
yeah, that'll be the same file descriptor - and yeah, looks like it's waiting to get an exclusive lock on it, but presumably another process already has that lock and hasn't released it - possibly as it's waiting on a lock on something the process you looked at has locked, leading to a deadlock situation? Do you use File::Temp within your process to acquire temporary files? > After a little more digging I found that every starman worker had > that file open (except with 10w instead of 10wW for all but the one > above and stracing a few of the other workers showed the same output > ( "flock(10, LOCK_EX" ) as above. That same exact filename? If so, odd. _______________________________________________ dancer-users mailing list [email protected] http://lists.preshweb.co.uk/mailman/listinfo/dancer-users
