Re: [Xen-users] Weird xl mem-set behavior

["Ian Tobin" <itobin@xxxxxxxxxxxxx>]

Hi,

Same here, are u using grub? 

 
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On 18 May 2011, at 16:52, "Iain Kay" <spam@xxxxxxxxxxx> wrote:

> Hi Claudiu,
> 
> Xen 4.1.0 stable from the tar archive running on CentOS 5.6 with Jeremy's 
> 2.6.32.x kernel seems rock solid for me.
> 
> I boot with dom0_mem=512M and get domain 0 with bang on 512MB of ram 
> allocated.
> 
> Just tried ammending the line to 1024M and have domain-0 booted with 1024MB 
> of ram.
> 
>    Name                                        ID   Mem VCPUs      State   
> Time(s)
>    Domain-0                                     0  1024     2     r-----     
> 15.9
> 
> Iain
> 
> On 18 May 2011, at 16:22, Claudiu CurcÄ wrote:
> 
>> Hello,
>> 
>> I'm struggling to handle the amount of memory that dom0 gets on some system.
>> 
>> It's a system with 8GB of RAM, running 2.6.38-6 with pv_ops and Xen 4.1
>> If I want to set the amount of memory for dom0, I get very bogus
>> results. See here: http://pastebin.com/gRgY9ERN If I use the M
>> notation (xl mem-set 0 4096M) the outcome is similarily unpredictable,
>> and sometimes I get the memory set to something like 200-300MB and in
>> rare cases a kernel panic.
>> 
>> Also, if I set the "dom0_mem=X" kernel parameter, the amount of memory
>> Xen gives to dom0 is fairly random... sometimes 2GB, sometimes 6GB,
>> sometimes ~500MB, regrardless of what value I use or the unit I use (M
>> or no unit, for the default KB).
>> 
>> Anyone else has experienced this in Xen 4.1? Thanks!
>> 
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
> 
> 
> _______________________________________________
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> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 

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