Date: Sun, 18 Jun 1995 20:01:21 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: msmith@atrad.adelaide.edu.au (Michael Smith) Cc: bugs@ns1.win.net, hackers@freebsd.org Subject: Re: too many open files Message-ID: <199506181031.UAA17942@genesis.atrad.adelaide.edu.au> In-Reply-To: <199506180146.LAA17170@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Jun 18, 95 11:16:23 am
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Michael Smith stands accused of saying: > > Mark Hittinger stands accused of saying: > > I still wonder if some other parameter is being consumed other that > > file descriptors. It would be nice if we could get some sort of "lsof" > > port or some system call to spew a list of open file descriptors out > > in a readable dump file. > > This actually sounds awfully familiar; I blew up a 2.0 box using ncftp (as > a user) attempting to mput a fairly large directory (the 2.0.5 src > distribution, actually 8) in passive mode to an FTP server that doesn't > support passive mode. ncftp not being overly bright tried & failed once > for each file; the first many just gave 'passive mode refused' errrors, > but then there were some errors being reported by socket() (no free file > handles or similar), followed by a trap 12. I've just tested & verified that this was a 2.0 problem. Old ncftp's (1.8.3 in this case) had a FD leak under this situation; running under 2.0.5 fails to kill the system, and the newer ncftp doesn't have the problem at all (it swaps to non-passive mode after the first failure) -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] My car has "demand start" - Terry Lambert [[
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