Re: [uml-devel] SKAS mode not working, x86_64 SMP host, x86_64 guest, problems with noprocmm

[Nikola Ciprich <nikola.ciprich@linuxbox.cz>]

Hi Jeff,
thanks for reply!
yup, skas0 seems to be working quite OK, but do You have an idea where 
could be problem with shutting down? (this Virtual timer expired cycling?)
and regarding /proc/mm, shouldn't this mm64 file be used? or what's it 
used for?
nik

Jeff Dike wrote:
> On Sat, Sep 30, 2006 at 07:30:35PM +0300, Nikola Ciprich wrote:
>   
>> I've been trying to get x86_64 guest UMLs working on SMP x86_64 host 
>> machine for quite long time, during today and yesterday I've also 
>> checked 2.6.18 (+ both skas & skas-fremap v9pre9), but it's still not 
>> working as good as 32bit/32bit was working for me for last few years ;). 
>>     
>
> skas0 works fine (as well as on i386) afaik.
>
> Putting a stock kernel on the host or "noprocmm" on the UML command line
> will put you in skas0 mode.
>
>   
>> I've noticed on some other discussions that SKAS mode is still not fully 
>> working on x86_64, so I'd like to ask, what are remaining issues, and 
>> maybe could I somehow try helping in fixing them? 
>>     
>
> Well, the -EINVAL return from writing /proc/mm would be a good place
> to start looking to fix things :-)
>
> 				Jeff
>
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