Re: [Xen-devel] Xen 4.2.1, linux kernel 3.7.5 crashed while reboot

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.02.13 at 17:40, Michal Fiala <fiala@xxxxxxxxxx> wrote:
> On 02/26/2013 05:33 PM, Jan Beulich wrote:
>>>>> On 26.02.13 at 17:28, Michal Fiala <fiala@xxxxxxxxxx> 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?

Looks like this has info level messages enabled, and I can't see any
such message there. So I guess you'll have to add a few printk()-s
to arch/x86/kernel/reboot.c:native_machine_emergency_restart().

Jan


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