[Xen-users] Has my Xen guest domain been started?

[Donglai Zhang <dlzhangster@xxxxxxxxx>]

Hi, 

I have installed Xen 3.4 (2.6.18.8-xen) on my (Fedora 7) linux box. And started with the Xen 3.4 kernel. I also installed a Ubuntu 9.0.4 guest system on /dev/sda7. 

Start the machine and log in to Fedora. 


uname -r 
2.6.18.8-xen

Then I started xend.  
 xend start
 Every is fine.

Start my first guest on xen: 
xm create -c xm01dlzhang vimid=1              //xm01dlzhang is the config file 


*****Content of  the config file********************
kernel = "/boot/vmlinuz-2.6.18.8-xen"
memory = 256
name = "ExampleDomain01"
vif = [ '' ]
disk = [ 'phy:sda7,sda7,w' ]


root = "/dev/sda7 ro"
extra = "5"
*************Other contents are all commented out**********
//Following are the output from the console.

Using config file "./xm01dlzhang".


Started domain ExampleDomain01 (id=4)
Linux version 2.6.18.8-xen (dlzhang@red) (gcc version 4.1.2 20070925 (Red Hat 4.1.2-27)) #1 SMP Thu Jun 4 12:19:55 CST 2009
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000010800000 (usable)


0MB HIGHMEM available.
264MB LOWMEM available.
NX (Execute Disable) protection: active
ACPI in unprivileged domain disabled
Allocating PCI resources starting at 20000000 (gap: 10800000:ef800000)
Detected 2135.115 MHz processor.


Built 1 zonelists.  Total pages: 67584
Kernel command line: root=/dev/sda7 ro 5

//Some other information here


md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT2-fs warning (device sda7): ext2_fill_super: mounting ext3 filesystem as ext2


VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 196k freed
  
  ***************************************************************
  ***************************************************************


  ** WARNING: Currently emulating unsupported memory accesses  **
  **          in /lib/tls glibc libraries. The emulation is    **
  **          slow. To ensure full performance you should      **
  **          install a 'xen-friendly' (nosegneg) version of   **


  **          the library, or disable tls support by executing **
  **          the following as root:                           **
  **          mv /lib/tls /lib/tls.disabled                    **
  ** Offending process: init (pid=717)                         **


  ***************************************************************
  ***************************************************************
  
Continuing...


Then it stops here, seems not dead though.  After a while , I checked the status of xen with


xm list 
[root@red boot]# xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0   510     2     r-----    850.3
ExampleDomain01                              4   254     1     -b----     21.9



It seems the guest domain has been blocked (as shown b), but I am not sure what's going on there? Has guest domain been started or not? Or it is just blocked, if so, how can I unblock it?  If you can pointing me to a tutorial that will be good too. 


Thanks in advance!
-- 
Donglai Zhang
 
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