I have a CentOS DomU that is hanging every 24-120 hours. There''s
nothing in the logs that would indicate why. The xm console for the DomU
becomes nonresponsive, the DomU status goes to ''b'', and an xm
destroy/xm create is required to bring it back to life.
http://216.243.10.44/nathan/load.png
http://216.243.10.44/nathan/ram-cache.png
http://216.243.10.44/nathan/ram-free.png
http://216.243.10.44/nathan/swap-free.png
http://216.243.10.44/nathan/tmp-space.png
===DomU==
root@domu-xxx:~# uname -a
Linux domu-xxx 2.6.26-bpo.1-xen-amd64 #1 SMP Mon Nov 10 11:06:41 UTC 2008 x86_64
x86_64 x86_64 GNU/Linux
root@domu-xxx:~# cat /etc/redhat-release
CentOS release 5.4 (Final)
===Dom0==
root@dom0-xxx:~# cat /etc/debian_version
5.0.4
root@dom0-xxx:~# uname -a
Linux dom0-xxx 2.6.26-bpo.1-xen-amd64 #1 SMP Mon Nov 10 11:06:41 UTC 2008 x86_64
GNU/Linux
root@dom0-xxx:~# cat /etc/xen/xxx.cfg
#
# Configuration file for the Xen instance xxx, created
# by xen-tools 3.9 on Thu Apr 16 11:46:46 2009.
#
#
# Kernel + memory size
#
kernel = ''/boot/vmlinuz-2.6.26-bpo.1-xen-amd64''
ramdisk = ''/boot/initrd.img-2.6.26-bpo.1-xen-amd64''
memory = ''3000''
vcpus = ''3''
cpus="^0"
extra = ''xencons=tty''
#
# Disk device(s).
#
root = ''/dev/sda2 ro''
disk = [
''phy:/dev/vg00/xxx-swap,sda1,w'',
''phy:/dev/vg00/xxx-disk,sda2,w'',
]
#
# Hostname
#
name = ''xxx''
#
# Networking
#
vif = [ ''ip=xxx,mac=xxx'' ]
#
# Behaviour
#
on_poweroff = ''destroy''
on_reboot = ''restart''
on_crash = ''restart''
extra = ''console=hvc0 xencons=tty''
Nathan Eisenberg
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