Re: Netscape and wait_on_page

Andrej Presern (andrejp@luz.fe.uni-lj.si)
Sat, 20 Dec 1997 22:33:45 +0100


Bill Hawes wrote:
>
> Andrej Presern wrote:
>
> > I'm experiencing similar problems, only that it's not a netscape process
> > and it's not in wait_on_page:
> > 100 0 1 0 0 0 752 412 do_page_fau D ? 0:03
> > init [5]
> >
> > The result seems to be that I'm unable to reboot/halt the machine (which
> > seems to happen quite often, usually when diald's redialing constantly
> > (busy line) or when the screenblanker activates - after that, problems)
> > and sometimes I couldn't 'su' (it would block forever).
>
> This sounds like a different problem, and would probably be caused by a
> page fault while the mm semaphore is being held for the process. Do you
> know if the stuck process is a cloned task?

The process that got stuck has so far always been a process that
required
special privileges (su, halt, diald) and wasn't cloned afaict.

Andrej