[Xen-users] "Memory squeeze in netback driver"

["Marlier, Ian" <ian.marlier@xxxxxxxxxxxxxxxxxxx>]

Hey, all --

Earlier this afternoon, we started experiencing slowness accessing DomU
machines from Dom0, via the network.

Network access to Dom0 is unaffected, and console access to DomU
machines is fine.

/var/log/messages on DomU shows this:
Sep 22 14:43:15 devxen0 kernel: printk: 4 messages suppressed.
Sep 22 14:43:15 devxen0 kernel: xen_net: Memory squeeze in netback
driver.
Sep 22 14:43:20 devxen0 kernel: printk: 4 messages suppressed.
Sep 22 14:43:20 devxen0 kernel: xen_net: Memory squeeze in netback
driver.

Anyone have suggestions for how to relieve the squeeze?

Machine/version info:
devxen0:~ # uname -a
Linux devxen0 2.6.16.13-4-xen #1 SMP Wed May 3 04:53:23 UTC 2006 x86_64
x86_64 x86_64 GNU/Linux
devxen0:~ # rpm -qa | grep xen-3
xen-3.0.2_09656-4


(I know that there isn't much info here, but I don't know what to
provide, I'm afraid...)

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