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

[Andrew Morton]

Ralf Hildebrandt <Ralf.Hildebrandt@xxxxxxxxxx> wrote:
>
> * Andrew Morton <akpm@xxxxxxxx>:
> 
> > > 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.
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