Re: [Xen-devel] kernel log flooded with: xen_balloon: reserve_additional_memory: add_memory() failed: -17

[James Dingwall <james-xen@xxxxxxxxxxxxxx>]

On 2012-12-20 14:50, Jacek Konieczny wrote:
> On Wed, Dec 19, 2012 at 08:47:22AM +0000, James Dingwall wrote:
> > Hi,
> >
> > I have encountered an apparently benign error on two systems where 
> > the
> > dom0 kernel log is flooded with messages like:
> >
> > [52482.163855] System RAM resource [mem 0x1b8000000-0x1bfffffff] 
> > cannot
> > be added
> > [52482.163860] xen_balloon: reserve_additional_memory: add_memory()
> > failed: -17
> I have seen this bug too (under Xen 4.2.0).
>
> I am using the following workaround to stop those messages:
>
> cat /sys/devices/system/xen_memory/xen_memory0/info/current_kb > \
>         /sys/devices/system/xen_memory/xen_memory0/target_kb
>
> I have not verified yet if Xen 4.2.1 is also affected.
Thanks for the cat tip, that works for me too.  The issue is still 
present in Xen 4.2.1 with kernel. 3.7.1.
James

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