Missing /dev/null after few min

Hello,

I'm running freebsd for couple of years now and never had
really big
problems but this one I can't solve on my own. Running
releng 7 for 6 months
now but recently after running X for like 10min the systems
is missing
/dev/null. So you can imaging that most programs start
complaining about it.
Right now I recreate it with mknod /dev/null c 1 3 but
that's not a real
solution because it starts to disappear again after few
minutes.
I'm for 99% sure it's not freebsd problem but more a
application problem but
I wonder if anyone ran into the same trouble after upgrading
xyz port? Or
even better has a solution for it?


Regards
Matthias
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"Matthias Gamsjäger" <mgamsjagergmail.com> writes:

> I'm running freebsd for couple of years now and never
had really big
> problems but this one I can't solve on my own. Running
releng 7 for 6 months
> now but recently after running X for like 10min the
systems is missing
> /dev/null. So you can imaging that most programs start
complaining about it.
> Right now I recreate it with mknod /dev/null c 1 3 but
that's not a real
> solution because it starts to disappear again after few
minutes.
> I'm for 99% sure it's not freebsd problem but more a
application problem but
> I wonder if anyone ran into the same trouble after
upgrading xyz port? Or
> even better has a solution for it?

Yep, something is deleting it.
Something with permissions to delete it, which shouldn't be
many
things. First make sure that it has the correct permissions,
then
check what's running as root.

You might be able to find a process that has a file handle
open on
/dev/null or even on /dev itself, but I'd consider that a
long shot.
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The guilty package seems the be gnash.

On Thu, Mar 20, 2008 at 5:32 PM, Lowell Gilbert <
freebsd-questions-localbe-well.ilk.org> wrote:

> "Matthias Gamsjäger" <mgamsjagergmail.com> writes:
>
> > I'm running freebsd for couple of years now and
never had really big
> > problems but this one I can't solve on my own.
Running releng 7 for 6
> months
> > now but recently after running X for like 10min
the systems is missing
> > /dev/null. So you can imaging that most programs
start complaining about
> it.
> > Right now I recreate it with mknod /dev/null c 1 3
but that's not a real
> > solution because it starts to disappear again
after few minutes.
> > I'm for 99% sure it's not freebsd problem but more
a application problem
> but
> > I wonder if anyone ran into the same trouble after
upgrading xyz port?
> Or
> > even better has a solution for it?
>
> Yep, something is deleting it.
> Something with permissions to delete it, which
shouldn't be many
> things. First make sure that it has the correct
permissions, then
> check what's running as root.
>
> You might be able to find a process that has a file
handle open on
> /dev/null or even on /dev itself, but I'd consider that
a long shot.
>
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