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



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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