[clug] What causes an unkillable process?

[Stephen Rothwell]

Hi Jason,

On Sun, 23 Nov 2008 13:20:43 +0100 Martijn van Oosterhout <kleptog at svana.org> wrote:
>
> On Sun, Nov 23, 2008 at 04:11:27AM -0800, Jason Stokes wrote:
> > The following process: 
> > 
> > > 10685 jason     20   0  143m 8500 8492 D 64.9  1.6 937:50.21 totem              
> > 
> > Won't die with kill -9, not even as root.  Sure, I can just reboot, but I'm wondering what on earth causes such a thing.
> 
> D state is unkillable. It means it's stuck in the kernel somewhere. I
> thought there was a way to find out exactly where, but I can't remember
> how. One of the sysrq commands?

Try "ps -p<pid> -o wchan"

-- 
Cheers,
Stephen Rothwell                    sfr at canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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