Re: [Xen-users] SuperMicro IPMI + Nehalem CPU

[Peter Braun <xenware@xxxxxxxxx>]

Recreating dom0 kernel config from sratch - and now its working OK!

Now still fighting with unixbench - why is there so huge difference
between non-xen and xenified kernel? 350 vs 830 points?

Br

Peter

2009/10/21 Robert Dunkley <Robert@xxxxxxxxx>:
> Oh,
>
> Maybe it is some sort of missing compile option or bug but unfortunately I 
> don't know the answer. When I have used IPMI in the past it was console=tty0 
> I used.
>
> Rob
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Peter Braun
> Sent: 21 October 2009 08:37
> Cc: Xen List
> Subject: Re: [Xen-users] SuperMicro IPMI + Nehalem CPU
>
> Hi,
>
> check Baud rate, Bios etc....
> But when running non-xen bios everythings is working correct!
>
> Peter
>
>
> 2009/10/21 Robert Dunkley <Robert@xxxxxxxxx>:
>> Hi Peter,
>>
>>
>> I would check that the Baud rate in your Bios, IPMI Firmware (May be
>> applicable if you are using Ipmiutil or IPMITool) and grub.conf all
>> match. I have seen this sort of issue in cases where they don't.
>>
>> I'm afraid I have no idea about the Unixbench prob.
>>
>>
>> Rob
>>
>> -----Original Message-----
>> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
>> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Peter Braun
>> Sent: 21 October 2009 08:29
>> To: Xen List
>> Subject: [Xen-users] SuperMicro IPMI + Nehalem CPU
>>
>> Hi,
>>
>> I just installed Debian 5.0 64bit + Xen 3.4.1 from sources + 2.6.31
>> aka Susexenified kernel on
>> new SuperMicro server with single Nehalem Xeon E5520.
>>
>>
>> 2.6.31 kernel is working w/o problem, even onboard Intel gigabit NICs
>> are ok with igb driver compiled in.
>>
>>
>> Problems:
>>
>> 1) when booted to xen kernel I can't access console over IPMI "remote
>> control".
>>    I can see console but cannot type anything
>>    I tried console=vga, console=tty0, console=hvc, console=xvc in
>> dom0 grub config but nothing works
>>
>>
>> 2) unixbench
>>    When I run unixbench tool on pure debian kernel 2.6.26 the final
>> score on single CPU E5520 is around 830 points
>>    When I run same tool on xen dom0 with 2.6.31 kernel than the score
>> is aroun 370 points only
>>    I was suspecting hypethreading but disabling it in bios doesnt
>> make big difference.
>>
>> Any help greatly appreciated.
>>
>>
>> Br
>>
>> Peter Braun
>>
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>
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