[Pkg-xen-devel] Bug#760563: Bug#760563: xen-hypervisor-4.4-amd64: Xen >=4.1 not booting on IBM HS20

[Trenta sis]

Solved with mmcfg=0

Thanks for all

2014-09-08 14:51 GMT+02:00 Trenta sis <trenta.sis at gmail.com>:
> Hi,
>
> First of all, thanks for your help.
> I have made some test with this results
> debian testing with xen 4.4 can run if we add mmcfg=0 as boot options
> to kernel boot parameters !!! Remember that with xen kernel <=4.0
> works perfect without to add mmcfg=0
>
> I have tried to install citrix xenserver 5.6 and works perfect
> (remember that this is xen 3 branch)
> Also we have tried to install xenserver 6.2 but during boot install using:
> menu.c32 and add boot parameter mmcfg=0
> and after to install  boot we have added mmcfg=0 in extlinux and
> executed extlinux -i /boot to update bootloader
>
>
> With this seems to work, and it could be a possible workaround?
>
> My questions are:
> - mmcfg: I'm not sure where is used and what happen if we use xen
> without mmcfg. Why with xen <=4.0 is not needed anb for xen >4.0 is a
> requirements for this hardware. Will be solved?
> - Can I use for production environment this configuration?
>
>
> Thanks
>
>
> 2014-09-05 15:56 GMT+02:00 Ian Campbell <ijc at hellion.org.uk>:
>> On Fri, 2014-09-05 at 13:39 +0200, trenta wrote:
>>> Additional information:
>>> http://lists.xen.org/archives/html/xen-devel/2013-09/msg00584.html
>>
>> This thread suggests that mmconfig might be the issue, in which case
>> does adding "mmcfg=0" to your hypervisor command line help?
>>
>> I'd recommend continuing to pursue this upstream, there are far more
>> experts on the low level aspect of things there.
>>
>> Ian.
>>