Re: [Xen-devel] failed to start centos 5 domU with maxmem=30000

[Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>]

Ð ÐÑÐ, 12/08/2010 Ð 14:37 +0300, Pasi KÃrkkÃinen ÐÐÑÐÑ:
> On Thu, Aug 12, 2010 at 02:24:05PM +0400, Vasiliy G Tolstov wrote:
> > Hello. I'm try to start centos domU pvm under sles 11 sp1 xen kernel
> > with memory=512 and maxmem=30000. Centos doing boot and freeze.
> > If i'm try to use maxmem=15000 all works.
> > 
> > Can You tell me what's wrong?
> > 
> 
> Is the centos PV domU 32bit or 64bit ?
> 
> -- Pasi

64 bit kernel-xen.

I found this in xen sources:

/* Simple continuous piecewiese linear function:
         *  max MiB -> min MiB  gradient
         *       0         0
         *      16        16
         *      32        24
         *     128        72    (1/2)
         *     512       168    (1/4)
         *    2048       360    (1/8)
         *    8192       552    (1/32)
         *   32768      1320
         *  131072      4392
         */

Why this is not provided in documentation or on web site?


-- 
Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>
Selfip.Ru


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