esd leaking file descriptors
green at freebsd.org
Mon Jun 7 19:29:20 GMT 2004
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
I see a lot of accept(2) there... I think it's a good possibility
Robert accidentally broke accept()'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 at FreeBSD.org \ The Power to Serve! \
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