Date: Mon, 7 Jun 2004 15:29:18 -0400 From: Brian Feldman <green@freebsd.org> To: Stefan Ehmann <shoesoft@gmx.net> Cc: current@freebsd.org Subject: Re: esd leaking file descriptors Message-ID: <20040607192918.GA20308@green.homeunix.org> In-Reply-To: <1086633425.1020.15.camel@taxman> References: <1086511629.1509.13.camel@taxman> <20040607172431.GA19790@green.homeunix.org> <1086633425.1020.15.camel@taxman>
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On Mon, Jun 07, 2004 at 08:37:05PM +0200, Stefan Ehmann wrote: > On Mon, 2004-06-07 at 19:24, Brian Feldman wrote: > > On Sun, Jun 06, 2004 at 10:47:09AM +0200, Stefan Ehmann wrote: > > > When i run mpg321 -o esd foo.mp3 (or any other player that uses esd as > > > output) lsof shows an increasing number of open files. It increases at a > > > rate of about 50 files per second. System will run out of file > > > descriptor eventually. > > > > > Check if esd is encountering exceptional conditions with the ktrace > > facility. You will wnat to run esd with ktrace(1) and then use > > kdump(1) to view the log of system calls. The other PC probably > > also doesn't have the same hardware, so it's not so easy to see if > > it's just a bug in -CURRENT. > > I just tried a kernel from June, 1st: esd doesn't leak any file > descriptors. So it's definitely a CURRENT problem. > > I couldn't spot anything suspicous using ktrace (That is no notable > difference compared to the other machine). > > Here are two excerpts from kdump output that basically repeat all the > time: I see a lot of accept(2) there... I think it's a good possibility Robert accidentally broke accept[1]()'s error cleanup. It seems that the file is dropped but the fd is left sitting around in a half-allocated state. Many of those 'goto done;'s should be 'goto noconnection;'s, I believe. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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