[Xen-devel] Re: kernel BUG at arch/x86/xen/multicalls.c:204!

[Rambaldi <rambaldi@xxxxxxxxx>]

Rambaldi wrote:
> Jeremy Fitzhardinge wrote:
>> Rambaldi wrote:
>>> Hi,
>>>
>>> while booting the 2.6.29-gentoo-r5 kernel as xen domU guest I got the
>>> following kernel BUG.
>>>
>>> I have not tried a vanilla 2.6.29 kernel, but can if requested,
>>> .config is also available on reguest.
>>>   
>> That would be useful, particularly if you enable the various debugging
>> options:
>> CONFIG_DEBUG_KERNEL
>> CONFIG_FRAME_POINTER
>>
>> It's not clear to me what's failing.  Are there any messages on the Xen
>> concole (xm dmesg)?
>>
>>    J
>>
> Hi Jeremy,
> 
> thanks for looking at it.
> 
> I tried with a vanilla 2.6.29.4 kernel. I added CONFIG_FRAME_POINTER. 
> CONFIG_DEBUG_KERNEL was already set.
> I got the same result as with the gentoo kernel and in both cases not a 
> single line in the xen console.
> 
> Any other options or kernels I can try?
> 
> tia
> 
> R
> 

Hi Again,

it has been a while, but I finally found the setting that caused this issue.
by removing:
        Configure Maximum number of SMP Processors and NUMA Nodes

I can boot my sytem again without the kernel BUG.

hope this helps

regards.

R.








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