Dear list,
I have a new install of Debian Squeeze.
I have followed the hints from the ParaVirtOps wiki page to grab
Jeremy's kernel sources from kernel.org and compiled a 2.6.31.x (and
2.6.33.x) kernel.
I have yet to install any significant software other than package
"xen-hypervisor-3.4-amd64".
The machine is a Core i7 920 with 8GB RAM.
If I boot the plain kernel (without xen-3.4.gz) I get ~65MB ram usage
shown in free -m.
If I boot with full xen, bear in mind I have no domU's yet, I get the
following:
> free -m
total used free shared buffers cached
Mem: 7948 1412 6535 0 9 107
-/+ buffers/cache: 1295 6652
Swap: 0 0 0
> xm info
host : oracle
release : 2.6.33.2-amd64-xen
version : #1 SMP Sun Apr 4 00:21:54 BST 2010
machine : x86_64
nr_cpus : 8
nr_nodes : 1
cores_per_socket : 4
threads_per_core : 2
cpu_mhz : 2660
hw_caps :
bfebfbff:28100800:00000000:00000340:0098e3bd:00000000:00000001:00000000
virt_caps : hvm
total_memory : 8183
free_memory : 2174
node_to_cpu : node0:0-7
node_to_memory : node0:2174
xen_major : 3
xen_minor : 4
xen_extra :
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
cc_compiler : gcc version 4.4.3 (Debian 4.4.3-2)
cc_compile_by : waldi
cc_compile_domain : debian.org
cc_compile_date : Mon Mar 1 21:16:18 UTC 2010
xend_config_format : 4
> xm top
xentop - 03:33:21 Xen 3.4
1 domains: 1 running, 0 blocked, 0 paused, 0 crashed, 0 dying, 0
shutdown
Mem: 8379516k total, 6152576k used, 2226940k free CPUs: 8 @ 2660MHz
(free -m): Over 1GB used inside dom0 already?
(xm info): Only 2GB available for guests?
(xm top): Over 6GB used?
The only processes running outside of bare minimum are xinetd, sendmail,
mdadm and ssh.
I can stop xend and xendomains from starting, and I still have 1GB used
at startup.
The same setup on a lesser spec'd machine is working fine with ~140Mb
used at boot. I've spent a few hours on this and am at a loss.
Some info can be found at the following sources:
http://www.nooblet.org/other/xen-users/lspci.txt
http://www.nooblet.org/other/xen-users/lspci-vv.txt
http://www.nooblet.org/other/xen-users/cpuinfo.txt
http://www.nooblet.org/other/xen-users/grub.txt
http://www.nooblet.org/other/xen-users/dmesg.txt
http://www.nooblet.org/other/xen-users/meminfo.txt
http://www.nooblet.org/other/xen-users/ps-awwux.txt
Someone show me the light!
Regards,
Steve.
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