Re: kcomd

Florian,
   It is now.  It's for 2.6.16. Tomorrow I'll start patching for 2.6.17
and then breaking the patch up.

http://osource.org/openmosix/patches/om-2.6-full-20060822.patch.bz2

As for the big known bug, the problem lies in hpc/migrecv.c,
mig_do_receive_page(), in the way it allocates space for the process
page.  What I don't understand is why it just segfaults on system calls?
What's special about system calls as far as addressing?  If you run a
simple loop it'll migrate and run fine, until exit, then it'll SIG_SEGV,
and the deputy won't exit.  It doesn't even get to the remote_do_syscall
function.

Matt


On Tue, 2006-08-22 at 13:59 +0000, Florian Delizy  wrote:
> Vincent Hanquez wrote:
> > On Fri, Aug 18, 2006 at 04:21:14PM -0600, Matt Dew wrote:
> >   
> >> Next week, I'll start submitting those patches for review.  This
whole
> >> last week I've spent trying to track down a bug.  Segmentation
faults on
> >> the remote node when the process tries to do a system call.  It's
> >> intermittent. Have you ever ran into this or have any ideas?
> >>     
> >
> > no idea, but I didn't saw the code. You have to see why the segfault
> > happen at the _kernel_ level. more than likely you kernel code is
doing
> > something wrong, and the kernel is fortunate enough to recover by
just
> > killing the process.
> >
> >   
> 
> Is the patch on your page still the last one for kcomd ?
> 
>
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