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Re: [virt-tools-list] setting memory at runtime fails?



On 08/08/2010 02:57 AM, Thomas Fjellstrom wrote:
> Hi,
> 
> I've tried on several occasions to use the virt-manager to set memory in a 
> guest at run time, but all it seems to do is set memory in the guest to a 
> very small amount regardless of what number I actually chose (trying to use 
> a number in KB doesn't work, the gui seems to have issues with it. it'll set 
> the max mem, but trying to set mem to anything that large will just make it 
> go back to the previous allocation).
> 
> I just tried it again with virt-manager, memory was set to 256M, I told it 
> to increase to 512MB, and it instantly dropped to 70MB and the guest 
> OOMKilled every process. Then I forced the guest off, then tried to restart 
> it and virt-manager decided to say it was going to set the memory to 1024MB, 
> then crash. Though it did start the guest, but only with the 512MB I 
> increased it to in the last step.
> 
> virsh seems to work fine to reduce the memory in a vm. I did notice that 
> virsh takes KB and virt-manager takes MB. Is it possible that virt-manager 
> isn't doing the necessary conversion to KB when calling into libvirt?
> 

More info is really required here: versions for virt-manager, virtinst,
libvirt, and qemu or xen depending on what you are using. If you can
provide the output of virt-manager --debug when reproducing this series
of events it would help track down the issue.

Thanks,
Cole


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