linux emulation file descriptor leakage -current?

[Yuri Pankov]

On Mon, 2006-05-15 at 22:37 +0400, Vladimir Grebenschikov wrote:
> В пн, 15/05/2006 в 09:50 -0700, Bakul Shah пишет:
> > This is what happens when I start skype (NOTE: this is *not*
> > limited to skype -- I see the same problem with a thunderbird
> > linux binary but linux-firefox & linux-opera work fine).
> 
> same problem with skype here (fresh 7.0-CURRENT + fresh gnome)
> I was forced to increase kern.maxfiles to make my system alive.

I think your issue is described in /usr/ports/devel/gamin/pkg-message,
which is used by GNOME.

> 
> > $ skype &
> > $ sudo sh -c " while sleep 3; do lsof |grep skype|wc; done"
> >     4126   38134  495635
> >     4196   38959  499830
> >     4226   39229  502965
> >     4266   39589  507145
> >     4296   39859  510280
> >     4336   40219  514460
> >     4366   40489  517595
> >     4406   40849  521775
> >     4436   41119  524910
> >     4476   41479  529090
> >     4516   41839  533270
> >     4546   42109  536405
> >     4586   42469  540585
> > ^C
> > 
> > Is this a known problem or am I in an alternate universe?
> > 
> > I am running -current as of yesterday, with a freshly
> > installed linux_base-8 and skype.  But this has been
> > happening for atleast a couple weeks and may be more.
> > 
> > Looking at the lsof output, about a third opens are for a
> > directory, two thirds are files.  It seems to open over a
> > hundred directories (all of them multiple times)!  It opens
> > over 400 files (all multiple times).  Many of these files
> > have nothing to do with skype!
> > 
> > Doing a truss shows a lot of linux_ioctl() and gettimeofday()
> > on one skype_bin process and linux_times() and linux_time()
> > on another process.  Doung ktrace on these processes shows
> > something totally different (all sorts of syscalls).
> > 
> > Thanks for any help or hints on how to debug this....
> > 
> > -- bakul

Yuri