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[Xen-users] remus error: suspend event channel unavailable, falling back to slow xenstore signalling

  • To: "xen-users" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "350608693" <350608693@xxxxxx>
  • Date: Thu, 1 Sep 2011 14:43:16 +0800
  • Delivery-date: Wed, 31 Aug 2011 23:45:08 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

i install xen-4.2-unstable and kernel on centos 5.5 x86_64(http://remusha.wikidot.com/)
but i met some problem.
1)create domU using xen-tools(i install rpmstrap prevously).
[root@server02 pvm]# xen-create-image --host SystemHA --ip --dir /home/xen --force
General Information
Hostname       :  SystemHA
Distribution   :  centos-5
Mirror         :  http://mirrors.163.com/centos/5.6/os/x86_64/
Partitions     :  swap            1Gb   (swap)
                  /               4Gb   (ext3)
Image type     :  sparse
Memory size    :  512Mb
Kernel path    :  /boot/vmlinuz-
Initrd path    :  /boot/initrd.img-
Networking Information
IP Address 1   : [MAC: 00:16:3E:13:B7:66]
Netmask        :
Broadcast      :
Gateway        :
Loopback module not loaded and you're using loopback images
Run the following to load the module:
modprobe loop max_loop=255

Creating partition image: /home/xen/domains/SystemHA/swap.img
Creating swap on /home/xen/domains/SystemHA/swap.img
Creating partition image: /home/xen/domains/SystemHA/disk.img
Creating ext3 filesystem on /home/xen/domains/SystemHA/disk.img
Installation method: rpmstrap
System installation failed.  Aborting
/tmp/Y8mXDEdAPQ/etc/ssh/ssh_host_rsa_key.pub: No such file or directory
Running command 'umount /tmp/Y8mXDEdAPQ/proc 2>&1' failed with exit code 256.
See /var/log/xen-tools/SystemHA.log for details
Can't remove directory /tmp/Y8mXDEdAPQ: Device or resource busy at /usr/lib/perl5/5.8.8/File/Temp.pm line 898
(see the configure file /etc/xen-tools/xen-tools)
[root@server02 pvm]# cat /etc/xen-tools/xen-tools.conf
install-method = rpmstrap
size   = 4Gb      # Disk image size.
memory = 512Mb    # Memory size
swap   = 1Gb    # Swap size
fs     = ext3     # use the EXT3 filesystem for the disk image.
dist   = centos-5 # Default distribution to install.
image  = sparse   # Specify sparse vs. full disk images.
gateway    =
netmask    =
broadcast  =
kernel = /boot/vmlinuz-
initrd = /boot/initrd-
mirror = http://mirrors.163.com/centos/5.6/os/x86_64/
ext3_options     = noatime,nodiratime,errors=remount-ro
ext2_options     = noatime,nodiratime,errors=remount-ro
xfs_options      = defaults
reiserfs_options = defaults
btrfs_options    = defaults
2)i create centos 5.5(x86_64) domU according to website http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU
and the domU configure is as follows:
name = "centos5.4"
memory = "1024"
disk = [ 'tap2:aio:/home/xen/tpl/pvm/vmdisk.img,xvda,w', ]
root = "/dev/xvda ro"
vif = [ 'bridge=xenbr0', ]

in domU do:
[root@localhost ~]# ls /boot/
config-2.6.18-194.el5xen      System.map-2.6.18-194.el5xen
grub         vmlinuz-2.6.18-194.el5xen
initrd-2.6.18-194.el5xen.img  xen.gz-2.6.18-194.el5
message         xen-syms-2.6.18-194.el5
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-194.el5xen #1 SMP Fri Apr 2 15:34:40 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
but when i run command in dom0 :remus centos5.4,error message is as follows:
[root@server02 ~]# remus centos5.4
Disk is not replicated: tap:aio:/home/xen/tpl/pvm/vmdisk.img,xvda,w
WARNING: suspend event channel unavailable, falling back to slow xenstore signalling
PROF: suspending at 1314859043.422012
installing buffer on ifb0...  done.
PROF: resumed at 1314859043.454169
PROF: flushed memory at 1314859043.456038
PROF: suspending at 1314859043.633453
domain 1 not shut down
xc: error: Suspend request failed: Internal error
xc: error: Domain appears not to have suspended: Internal error
PROF: resumed at 1314859043.653831
i have no idea about what is the problem.Could anybody thell me how to address this problem in details?
Best regards~
yunjie du
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