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Re: [Xen-users] Xend stopped unexpectedly

To: Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xend stopped unexpectedly
From: Tapio Salonsaari <take@xxxxxxx>
Date: Wed, 10 Jun 2009 20:22:55 +0300
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Tapio Salonsaari wrote:
> I'll try to debug the situation more, but if anyone has any ideas I'll
> be glad to hear about them. After all my goal is (suprisingly) an stable

Sorry to spam the list, but here's some more information about what I
discovered:

# xm list
Name                                        ID   Mem VCPUs      State
Domain-0                                     0   619     2     r-----
LocalServer                                  1   128     1     -b----
pubservices                                  2   256     1     -b----

# head /proc/meminfo
MemTotal:       633856 kB
MemFree:         16704 kB
Buffers:          2884 kB

# cat /proc/swaps
Filename                                Type            Size    Used
/dev/sdc1                               partition       979924  204
/dev/sdd1                               partition       979924  0

There's a little difference if LocalServer is running rsync at full
speed or that the domU's are idle. But that's IMO quite logical that
network traffic and disk I/O increases load on dom0 as well.

However that consumption feels quite high, based on the feeling I got
from reading this list, documentation etc. There's no other services on
dom0 besides the "normal" things (exim4, sshd etc).


I started to suspect about the hardware itself as well, but sensors,
hddtemp and others doesn't show anything special and memory is ECC
enabled and tested prior dom0 installation.

That said, the system hasn't crashed so far with dom0-min-mem 512
- -option, but the system has ran only an hour with that setting without
any significant load, except the rsync -session.

- --
Tapio Salonsaari

My public GPG key is available
at http://take.nerd.fi
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