Re: 2.6.17-mm one process gets stuck in infinite loop in the kernel.

Andrew Morton
2006-06-29T20:57:09Z

Ralf Hildebrandt <Ralf.Hildebrandt@charite.de> wrote:
>
> * Andrew Morton <akpm@osdl.org>:
>
> > > I have seen this both with mm2, m33 and mm4.
> > > Suddenly, the load meter jumps.
> > > Using ps & top, I see one process using 100% cpu.
> > > This is always a process that was exiting, this tend to happen
> > > when I close applications, or doing debian upgrades which
> > > runs lots of short-lived processes.
> > >
> > > I believe it is running in the kernel, ps lists it with stat "RN"
> > > and it cannot be killed, not even with kill -9 from root.
>
> I see exactly the same here.
>
> > Please generate a kernel profile when it happens so we can see
> > where it got stuck.
>
> Do I need to compile the kernel with profiling for this:>

Nope.

> > <boot with profile=1>
> to work? And is "profile=1" a boot parameter?

Yes, profile=1 is a boot parameter.