Re: [Xen-devel] xen ballon errors in kernel logs even if I disabled it after kernel upgrade from 3.2 to 3.14

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 26/09/14 12:46, Fabio Fantoni wrote:
> Il 26/09/2014 12:22, David Vrabel ha scritto:
>> On 26/09/14 09:54, Fabio Fantoni wrote:
>>> Yesterday I updated wheezy kernel (3.2) to 3.14 from wheezy-backports to
>>> solves one critical network problem with new windows pv driver.
>>> Today I saw the kernel logs full of this error:
>>> xen:balloon: reserve_additional_memory: add_memory() failed: -17
>> Fixed by:
>>
>> 3dcf63677d4eb7fdfc13290c8558c301d2588fe8 (xen/balloon: cancel ballooning
>> if adding new memory failed)
>>
>> Ballooned memory is required by backends which is why you're seeing it
>> even with auto-ballooning disabled.
>>
>> David
>>
> 
> Thanks for your reply.
> Is correct that show it also if dom0 have fixed memory size and xl.conf
> have balloning disabled?

Yes.

> Can this problem cause a crash or other important aftermath?

No. It's harmless.

> Can you apply or request the backport of this fix to stable branchs?

No. A fix for a harmless log message is not critical enough for stable.

David

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