Re: [Xen-devel] xen problem with save/restore

[Brian Wolfe <brianw@xxxxxxxxxxxx>]

I had attempted to enforce gcc 3.2 on compiling these packages. Not
certain that I suceeded though... Any tips would be usefull and
appreciated. :)

On Fri, 2004-12-03 at 18:48 +0100, Jérôme Petazzoni wrote:
> Paul Larson wrote:
>
> >I think I've seen something similar to this posted recently, but I can't
> >find the message to reply to.  I build xen-2.0-testing from source
> >yesterday.  I have debian sarge running on all my domains right now.  I
> >was trying the save/restore feature out, and got this after restoring
> >and consoling into a session:
> >
> >************ REMOTE CONSOLE: CTRL-] TO QUIT ********
> >Unable to handle kernel NULL pointer dereference at virtual address
> >00000007
> > printing eip:
> >c030e587
> >*pde = ma 00000000 pa 55555000
> > [<c0109f80>] __do_suspend+0x19f/0x1e0
> >
> >
> [...]
>
> I had exactly this problem with exactly the same setup (xen-2.0-testing
> on sarge).
>
> Ian told that he would be interested with the vmlinux* files (not the
> vmlinuz ; those with the debug symbols, if I understood correctly).
>
> I couldn't yet reproduce this bug (I recompiled the kernels with
> iptables support, and now the domain crashes on restoring without any
> message ; and I will get physical access to the machines this week-end
> only - and then apply the patch to show all kernel messages from all
> domains on the console, to guess what's happening).
>
> I don't think Debian is at the source of the problem :-) ... but the
> precise version of gcc could be. FYI, I was using gcc-3.3.5 (I compiled
> my kernels on my "fast" sid box, not on the xen box). Which gcc are you
> using ?
>
>
>
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