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[Xen-users] xend hangs if out of memory

from [Pim van Riezen]

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Subject:	[Xen-users] xend hangs if out of memory
From:	Pim van Riezen <pi@xxxxxxxxxxxxx>
Date:	Wed, 2 Feb 2011 10:28:43 +0100
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Good day,

we recently migrated to Xen4.0.1 on one of our clusters. It solves a lot of 
problem, but it also adds one. Whenever we try to xm create a guest that 
oversteps the total amount of memory, xend completely hangs itself up and stops 
responding to any rpc calls..

The last lines in xend.log are:

[2011-02-02 10:00:22 8199] DEBUG (balloon:172) Balloon: tmem relinquished -1 
KiB of 20100116 KiB requested.
[2011-02-02 10:00:22 8199] DEBUG (balloon:226) Balloon: 13454316 KiB free; 0 to 
scrub; need 33554432; retries: 115.
[2011-02-02 10:00:22 8199] DEBUG (balloon:226) Balloon: 13454316 KiB free; 0 to 
scrub; need 33554432; retries: 210.

is there a way to recover from this?

Cheers,
Pim van Riezen


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