Will do. Should I leave in Philippes patch? I will assume no for now...

On Friday, 15 October, 2010 2:51pm, "Gilles Chanteperdrix" <gilles.chanteperdrix@xenomai.org> said:

> edward.robbins@domain.hid wrote:
> > I am also finding that tasks are frequently hanging, causing
> > ipipetraces with "INFO: task xxx:xxx blocked for more than 120
> > seconds". Ihave just had this with apt-get update, and was previously
> > getting itwith grub-install. Could this be related?
>
> Yes. There is obviously an issue in your patched kernel, we need to find
> this first before we draw any conclusion from any other behaviour.
>
> From the trace you sent, it looks like it happens in the MTRR code, but
> it could also be an SMI, or some other bug. For debugging purposes,
> could you try disabling MTRRs in the kernel configuration?
>
> --
> Gilles.
>