[kernel-xen] balloon messages from latest kernel-xen

Steven Haigh netwiz at crc.id.au
Tue Mar 19 21:50:39 EST 2013


On 19/03/13 16:18, Glenn Enright wrote:
> HI there,
>
> I'm seeing messages like the following in dmesg using the latest 3.8 kernel
>
> System RAM resource [mem 0x28000000-0x2fffffff] cannot be added
> xen_balloon: reserve_additional_memory: add_memory() failed: -17
>
> This is on an older Core2 intel MB with only 4G RAM. Everything appears
> to be working normally otherwise. I also see some notes about a similar
> case at http://lists.xen.org/archives/html/xen-devel/2012-12/msg01606.html
>
> I have autoballoon=0 in xl.conf per
> http://wiki.xen.org/wiki/Xen_4.2_Release_Notes and the grub line
> includes dom0_mem, eg
>
>         kernel /xen.gz dom0_mem=max:600M dom0_max_vcpus=1 dom0_vcpus_pin

You've turned ballooning off, but you've got it on in the hypervisor.

Use this instead:
	kernel /xen.gz dom0_mem=600M dom0_max_vcpus=1 dom0_vcpus_pin

-- 
Steven Haigh

Email: netwiz at crc.id.au
Web: https://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
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