[This is a continuation of my last message, I accidentally mashed the send key]
On Thu, 12 Jun 2008, Jeremy Chadwick wrote: > > I tried truss and it seemed to be taking a long time (5-10 minutes) > > and generating a lot of seemingly identical logging :( > > Okay, let's backtrack here. > > The OP states that he can induce a segfault of httpd when doing > "apachectl graceful". Is that the exact problem you're seeing, or > are you seeing problems where PHP/Apache segfaults during operation? > I just want to be clear. No, I don't see a problem with 'apachectl graceful' - it doesn't get that far. > If the latter, then truss "generating lots of seemingly identical > logging" is probably expected. I'm guessing it's select() or poll() > or something related to kqueue/kevent, as it'd be waiting for I/O on > the HTTP socket. You'd have to submit the HTTP request to the PHP > script to get it to crash. I get a crash when Apache starts up. I wasn't sure if it was related to OPs problem or not, I should have been clearer though. > In either case, you may have to resort to using ktrace + kdump, which > may or may not help narrow this down. > > Use "ktrace -i -t+ httpd -X" (I hope that'll work; I'm not sure if > ktrace allows you to pass arguments to a command), which will start Yes ktrace does allow that. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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