Xen users - Jun 2009 - Re: Has my Xen guest domain been started? (Donglai Zhang)

Hi,

Just run :

[root@red dlzhang]# xm uptime ExampleDomain01
Name                                ID Uptime
ExampleDomain01                      4  0:22:35

That means the machine has been running successfully, is it?
Run
[root@red dlzhang]# xm console ExampleDomain01

Nothing happening...  Any idea?


Thanks,


Donglai

On Tue, Jun 9, 2009 at 3:01 PM,
<xen-users-request@lists.xensource.com>wrote:
>
> ------------------------------
>
> Message: 5
> Date: Tue, 9 Jun 2009 14:13:00 +0930
> From: Donglai Zhang <dlzhangster@gmail.com>
> Subject: [Xen-users] Has my Xen guest domain been started?
> To: xen-users@lists.xensource.com
> Message-ID:
>        <c0f408a30906082143r43d00504ja9cc1bb13a8df42d@mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> 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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Donglai Zhang wrote:
> [root@red dlzhang]# xm uptime ExampleDomain01
> Name                                ID Uptime
> ExampleDomain01                      4  0:22:35
> 
> That means the machine has been running successfully, is it?
Yes
> [root@red dlzhang]# xm console ExampleDomain01
> 
> Nothing happening...  Any idea?
Maybe a stupid question but did you press Enter within the console?

ROOT xen1:~> xm console n38
<This shows nothing for me until I hit Enter. After Enter I get the
prompt.>


NetBSD/i386 (n38) (console)

login:



Martti

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On Tue, 9 Jun 2009, Martti Kuparinen wrote:
> Maybe a stupid question but did you press Enter within the console?
>
> ROOT xen1:~> xm console n38
> <This shows nothing for me until I hit Enter. After Enter I get the
prompt.>
>
>
> NetBSD/i386 (n38) (console)
>
> login:
And maybe he needs an

extra="xencons=tty"

line in his domain.conf...?

--
Zsolt

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