On Fri, 25 Jun 2004, Conrad J. Sabatier wrote: > I tried switching to wget, using "FETCH_CMD=wget -v -c" in > /etc/make.conf, and got the most bizarre behavior, something I've never > seen before. wget would fail each time, complaining about "invalid > option --". Very strange. It might be interesting to look at the following: - Use sockstat/netstat to identify the fetch socket, and see whether either the send of the receive queue contains some amount of persistent, un-processed data. This would suggest if the application was stalling and not reading, or that TCP was stalling and not sending. - Use DDB to generate a stack trace of the fetch process in-kernel, perhaps a few to see whether it's stuck in one place, and if so, where. This would tell us what it's stuck doing. - Use ktrace to generate a trace of fetch and "see what it's doing" when it appears to hang -- is it looping waiting for I/O, just blocked in kernel, etc. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert_at_fledge.watson.org Principal Research Scientist, McAfee ResearchReceived on Fri Jun 25 2004 - 12:04:05 UTC
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