Date: 14 Oct 2003 11:22:11 +0100 From: Anton Ivanov <aivanov@sigsegv.cx> To: freebsd-stable@freebsd.org Subject: Netgraph initialization race? Message-ID: <1066126961.1306.11.camel@via800-1>
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Hi list, I think I found a race condition somewhere in the netgraph subsystem It can be reproduced around 80% of the time on any 4.8 through 4.9-RC to 5.1-RELENG, possibly earlier. 4.7 IFIRC did not have the problem. If you start two mpd processes immediately one after another listening on different IPs with different interface ranges (ng1-ng32) and (ng33-ng64) you get a hang. Currently running processes continue to run. New processes cannot be created. mpd instances cannot be killed. I have also noticed that if you start and stop an mpd now you get a ng0 interface left after mpd exits. Brgds, A.
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