Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-10 Thread David Vrabel
On 10/01/14 12:17, Johnny Hughes wrote: > On 01/08/2014 08:05 AM, David Vrabel wrote: >> On 08/01/14 13:59, Chris Elliott wrote: >>> At the moment we are using dom0_mem=3G,max:3G for example (where >>> dom0 mem and max values are the same). So we just need to allow a slightly >>> higher max value t

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-10 Thread Johnny Hughes
On 01/08/2014 08:05 AM, David Vrabel wrote: > On 08/01/14 13:59, Chris Elliott wrote: >> At the moment we are using dom0_mem=3G,max:3G for example (where >> dom0 mem and max values are the same). So we just need to allow a slightly >> higher max value to leave some ballooned pages? > Yes. > >> The

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-08 Thread David Vrabel
On 08/01/14 13:59, Chris Elliott wrote: > At the moment we are using dom0_mem=3G,max:3G for example (where > dom0 mem and max values are the same). So we just need to allow a slightly > higher max value to leave some ballooned pages? Yes. > The Xen4centos documentation also says to use the same v

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-08 Thread Chris Elliott
_ From: David Vrabel [david.vra...@citrix.com] Sent: 08 January 2014 13:12 To: Discussion about the virtualization on CentOS Cc: Chris Elliott Subject: Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors On 03/01/14 19:58, Chris

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-08 Thread David Vrabel
On 03/01/14 19:58, Chris Elliott wrote: > Hi All > > > > Back in August there was a report of these errors popping up in dmesg, > and as far as I can tell it’s still unresolved even in the latest kernel. > > System RAM resource [mem 0xc800-0xcfff] cannot be added > xen_balloon: reserve

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-06 Thread David Vrabel
On 03/01/14 19:58, Chris Elliott wrote: > Hi All > > > > Back in August there was a report of these errors popping up in dmesg, > and as far as I can tell it’s still unresolved even in the latest kernel. > > System RAM resource [mem 0xc800-0xcfff] cannot be added > xen_balloon: reserve

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-05 Thread Stefano Stabellini
On Fri, 3 Jan 2014, Chris Elliott wrote: > Hi All > > Back in August there was a report of these errors popping up in dmesg, and as > far as I can tell it’s still unresolved even in the > latest kernel. >   > > System RAM resource [mem 0xc800-0xcfff] cannot be added > > xen_balloon: res

[CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-03 Thread Chris Elliott
Hi All Back in August there was a report of these errors popping up in dmesg, and as far as I can tell it's still unresolved even in the latest kernel. System RAM resource [mem 0xc800-0xcfff] cannot be added xen_balloon: reserve_additional_memory: add_memory() failed: -17 On this exampl