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

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

Hi, all

I'm getting the following in my /var/log/messages file on Dom0:
Oct 18 11:00:36 devxen0 kernel: printk: 4 messages suppressed.
Oct 18 11:00:36 devxen0 kernel: xen_net: Memory squeeze in netback
driver.

Which would make sense to me if there were a memory crunch on the box,
or in Dom0 alone...but Dom0 has about 12GB of memory availble:
devxen0:~ # xm list
Name                              ID Mem(MiB) VCPUs State  Time(s)
Build5-8-0-km                      2      448     1 -b----  6307.1
Build5-8-0-km-DealsFilter         10      448     1 -b----    33.6
Build5-8-0-km-GDS                  4      448     1 -b----   372.6
Build5-8-2-zj                      8      448     1 -b----  1696.0
Build5-8-2-zj-gds                  9      448     1 r----- 24591.1
Dale-GDS                           7      448     1 -b----  1759.5
Dale-Web                           6      448     1 -b----  2135.7
Domain-0                           0    12849     4 r-----  5269.6
mail                               1      128     1 -b----   294.2

Any thoughts/suggestions on what I can do to convince the netback driver
to be a little happier with its life?

Xen version is 3.0.2_09656-4, running on SUSE Linux 10.1.  Kernel is
2.6.16.13-4-xen, stock from the SUSE 10.1 install.

Additionally, I've got "dom0_mem=1024M" specified on the kernel command
line at boot time.  (I'm not sure if that parameter actually does
anything, but it doesn't seem to be hurting anything, so...)

Thanks!

- Ian

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