Re: Xen4CentOS installation strangeness

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On 3/4/2014 8:45 PM, Pasi Kärkkäinen wrote:
> On Tue, Mar 04, 2014 at 02:50:40PM +0200, Peter Peltonen wrote:
>>     Hi,
>>     I have a server with Supermicro X7DVL-3 (P9) motherboard, 16G ECC RAM and
>>     LSI SAS 1068e RAID controller. I installed CentOS 6.5 64bit on the machine
>>     without any problems, but after following the Xen setup steps at
>>     [1]http://wiki.centos.org/HowTos/Xen/Xen4QuickStart
>>     which installed me the kernel 3.10.32-11.el6.centos.alt.x86_64, I
>>     encountered a problem: After "Starting certmonger [OK]" the screen went
>>     black and the system became unresponsive: keyboard was not working
>>     (NumLock did not respond) and SSH was not responding either. After first
>>     lockup I increased dom0 max mem to 2G, but rebooting after that produced
>>     the same result. The strange thing is, that after a third reboot
>>     everything worked ok: screen went black for a moment after "Staring
>>     certmonger [OK]" but after that the graphical login screen appeared and I
>>     could use the system normally. The fourth reboot went ok as well.
>>     Any ideas what could cause this kind of behaviour?
>>
> No idea really.. but what you should do is to enable/configure a serial console,
> probably by using the IPMI SOL, so you can capture and log all the Xen and dom0 kernel
> boot messages..
>
> So we can hopefully *see* what the issue is, and not have to guess :)
>
> -- Pasi
>
>>     Regards,
>>     Peter
>>

Also, are you sure your hardware is stable? It sounds a lot like a 
hardware issue... Try to run memtest for a while.

Z.
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