From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal Fiala <fiala@mfiala.net>
Subject: Re: Xen 4.2.1, linux kernel 3.7.5 crashed while reboot
Date: Tue, 26 Feb 2013 17:40:33 +0100
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To: Jan Beulich <JBeulich@suse.com>
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On 02/26/2013 05:33 PM, Jan Beulich wrote:
>>>> On 26.02.13 at 17:28, Michal Fiala <fiala@mfiala.net> wrote:
> 
> Please don't top post.
> 
>> The kernel command line from grub.conf
>>
>> kernel /xen.gz dom0_mem=4G,max:4G dom0_max_vcpus=4 dom0_vcpus_pin
>> console=com2,vga com2=115200,8n1
>> module /linux-3.7.5-hardened root=/dev/sda6 console=tty0 console=hvc0
>>
>> I have not modified reboot type.
> 
> And did you check your full boot log for an info-level message like
> 
> "%s series board detected. Selecting %s-method for reboot.\n"

I have only checked normal boot log, see attachment in my first mail.
How can I enable info-level message?

> 
> Jan
> 
>> On 02/26/2013 05:05 PM, Jan Beulich wrote:
>>>>>> On 26.02.13 at 15:32, Michal Fiala <fiala@mfiala.net> wrote:
>>>> I have updated system to xen 4.2.1, linux kernel 3.7.5. System boots
>>>> without problem. When I run reboot or shutdown -r now, system correctly
>>>> shutdowns all runlevels and then system crashed, see crash_output.txt.
>>>> I have the same problem with kernel linux 3.2.37. When I shudown system
>>>> (halt), then it is without problem. I have tested kernel 3.7.5 without
>>>> xen hypervisor, it was without problems. Required debug informations
>>>> (http://wiki.xen.org/wiki/XenParavirtOpsHelp) in attachment.
>>>> Could you please help me with this problem?
>>>
>>> It's apparently going the triple fault path, and load_idt() under Xen
>>> doesn't do what the code here expects (i.e. that reboot method
>>> just can't work under Xen). Are you overriding the reboot type on
>>> the kernel command line?
>>>
>>> Jan
>>>
> 
> 
> 
> 
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