Xen users - Nov 2010 - xen4 kernel crash 2.6.32-5-xen-amd64 poweredge R710 w/ s

Hi list!

First of all sorry for breaking the thread, but I wasn''t subscribed
when
the orignal messages were posted.

I''m continuing this message
http://lists.xensource.com/archives/html/xen-users/2010-11/msg00166.html

I''m 100% sure that a fresh install of Squeeze (as of last week) with
Xen
4.0.1 and Debian''s -xen-amd64 kernel results in an early reboot on a
Dell R710. I haven''t captured any logs about the crash so I''m
not sure
if it has something to do with this. I''m hoping to do this tomorrow.
> On Sun, Nov 07, 2010 at 12:07:53PM +0100, Alexander Bienzeisler wrote:
> >    Hey Oliver,
> > 
> >    booting without the memory option crashes earlier without info
> > 
> 
> This sounds like you need a dom0 kernel with this fix:
>
http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=fa9bb82fe5b971cdbea301b76c9be709c4c34b29
> 
> It fixes a crash that happens with a buggy e820 memory map (buggy BIOS),
> it has been noticed on some Dell R310 servers.
I''ve just cloned Jeremy''s stable-2.6.32.x and I will try with
it and report back.

-- 
Sebastián Cruz
default50@gmail.com
GPG FP: 5D35 54C4 ABA7 DED9 133F 5272 04F7 13E3 B03D 64C4


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On Fri, 2010-11-12 at 16:01 -0300, Sebastián Cruz wrote:
> Hi list!
> 
> First of all sorry for breaking the thread, but I wasn''t
subscribed when
> the orignal messages were posted.
> 
> I''m continuing this message
> http://lists.xensource.com/archives/html/xen-users/2010-11/msg00166.html
> 
> I''m 100% sure that a fresh install of Squeeze (as of last week)
with Xen
> 4.0.1 and Debian''s -xen-amd64 kernel results in an early reboot on
a
> Dell R710. I haven''t captured any logs about the crash so
I''m not sure
> if it has something to do with this. I''m hoping to do this
tomorrow.
> 
> > On Sun, Nov 07, 2010 at 12:07:53PM +0100, Alexander Bienzeisler wrote:
> > >    Hey Oliver,
> > > 
> > >    booting without the memory option crashes earlier without info
> > > 
> > 
> > This sounds like you need a dom0 kernel with this fix:
> >
http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=fa9bb82fe5b971cdbea301b76c9be709c4c34b29
> > 
> > It fixes a crash that happens with a buggy e820 memory map (buggy
BIOS),
> > it has been noticed on some Dell R310 servers.
> 
> I''ve just cloned Jeremy''s stable-2.6.32.x and I will try
with it and report back.
It''s working now! I just compiled the kernel with Jeremy''s
stable branch
as of yesterday. I used the config-2.6.32-5-xen-amd64 from Debian and
built a kernel package the Debian way and voila! Everything else (but
the kernel) is a stock Debian Squeeze.

As a side note I''m using dom0_mem boot parameter and the BIOS firmware
is the latest for this Dell server.

I was hoping to get the patch merged in Debian''s Xen kernel. Is there
anyone around here able to do that or should I just file a bug?

Thanks!

-- 
Sebastián Cruz
default50@gmail.com
GPG FP: 5D35 54C4 ABA7 DED9 133F 5272 04F7 13E3 B03D 64C4


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