All, I'm running 5.99.13 and Firefox 3. I can start Firefox once without a problem. If I try to start Firefox again, it states that a previous instance is running, but not responding. There is no other instance. The problem is that the file .parentlock. It is an empty file that Firefox creates to indicate that an instance is running. If I delete the file, I can restart the program. Looking at the ktruss output, Firefox opens and locks .parentlock, but I don't see where the lock is ever removed. I've tested and confirmed that NetBSD is removing locks upon program exit. It looks like file descriptor 6 is begin reassigned as a socket. This could be the problem. The ktruss output is attached. Aran
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