[Xen-Users] System reboots after "Scrubbing free RAM" Xen 4.0.1 linux 2.6.37-rc3

["Marek Kaszycki" <marek@xxxxxxxxxxx>]

Hi Everyone

I have sorted out the initial issues I've had and decided to give Xen  
another go.
I'm trying to run Xen using kernel 2.6.37-rc3 (previous attempt with rc1  
failed, and when I gave it a second go, rc3 was already out).
As previously, 2.6.37-rc3 boots fine natively. 2.6.32 boots natively and  
under Xen as dom0, but I have reservations against running 2.6.32, please  
bear with me.
Booting 2.6.37-rc3 under Xen (4.0.1-1, squeeze) causes a reboot right  
after "Scrubbing free RAM" appears -- I believe some tables appear just to  
blink on the screen right afterwards, but I am unable to confirm just what  
exactly is there -- I don't have a serial console attached -- so I am  
unable to capture the output from Xen or dom0.
I am at a loss as to what causes this. I have compiled the kernel myself,  
following the advice on http://wiki.xen.org/xenwiki/XenParavirtOps
Since there are additional lines after the error message, I believe the  
hypervisor completes its init and the reboot happens just when the  
hypervisor wants to boot dom0.
I have checked the threads:
http://lists.xensource.com/archives/html/xen-users/2010-11/msg00420.html
http://lists.xensource.com/archives/html/xen-devel/2010-04/msg01227.html
My system has just 8 GB of RAM and just one CPU. Following the advice, I  
have added 'noreboot' to Xen entry in grub.cfg, but even though Xen  
doesn't reboot the system now, it's worse because right after "Scrubbing  
free RAM", the screen goes blank, no cursor or anything, and just stays  
this way.
I have uploaded the grub.cfg and kernel .config to the following locations:
http://www.kaszycki.pl/xen/grub.cfg
http://www.kaszycki.pl/xen/kconfig

Thanks in advance for all your help.

Regards,
Marek

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