Re: Re[6]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's

Hi Sander

I tried the find command in the grubdom prompt. Here are the results.

    GNU GRUB version 0.97 (2097152K lower / 0K upper memory)

       [ Minimal BASH-like line editing is supported.   For
         the   first   word, TAB lists possible command
         completions. Anywhere else TAB lists the possible
         completions of a device/filename. ]

grubdom>

grubdom> find /boot/gr
Error 21: Selected disk does not exist

grubdom> find /boot/grub/menu.lst

Error 15: File not found

grubdom> find /boot/vmlinuz
Error 21: Selected disk does not exist

grubdom> find /boot/vmlinuz*

Error 15: File not found

grubdom>

My domU config is

name="ga-nfs-Centos-4.7-Paravirtualized"
memory=2048
disk = ['file:/home/enming/ga-nfs.img,xvda,w' ]
vif = [ 'bridge=eth0' ]
vfb = [ 'type=vnc']
vcpus=2
kernel = '/usr/lib/xen/boot/pv-grub-x86_32.gz'
extra = '(hd0,0)/boot/grub/menu.lst'

Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)

Technical Support Engineer

Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541

Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx

-----Original Message-----
From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, jeremy.fitzhardinge@xxxxxxxxxx
Date: Thu, 23 Jul 2009 19:45:05 +0200
Subject: Re[6]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS Kernel

Hmm hard to say if things are correct, since i can't see if and how thing
are partitioned in the .img file.
Could be the hd(0,0) is not correct.

You could try to find out if things are correct by using the "find" option
from the grubdom prompt and try to find the "menu.lst" and or the
vmlinuz........ file.
It should return the right hd(?,?) to use.

Thursday, July 23, 2009, 7:17:35 PM, you wrote:

> Nope, just a grubdom prompt.

> PV-grub config for domU is:

> name="ga-nfs-Centos-4.7-Paravirtualized"
> memory=2048
> disk = ['file:/home/enming/ga-nfs.img,xvda,w' ]
> vif = [ 'bridge=eth0' ]
> vfb = [ 'type=vnc']
> vcpus=2
> kernel = '/usr/lib/xen/boot/pv-grub-x86_32.gz'
> extra = '(hd0,0)/boot/grub/menu.lst'
> #bootloader = "/usr/bin/pygrub"

> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering)

> Technical Support Engineer

> Information Technology Department
>
> Asiasoft Online Pte Ltd
>
> Tampines Central 1 #04-01 Tampines Plaza
>
> Singapore 529541

> Republic of Singapore
>
> Mobile Phone: +65-9648-9798
>
> MSN: teoenming@xxxxxxxxxxx

> -----Original Message-----

> From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>

> To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>

> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, jeremy.fitzhardinge@xxxxxxxxxx

> Date: Thu, 23 Jul 2009 19:23:41 +0200

> Subject: Re[4]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS
> Kernel

> No errors/messages from grub ?

> What is in your domU config file ?

> Thursday, July 23, 2009, 7:06:30 PM, you wrote:

>> I switched to using PV-Grub and used xm create -c to start the guest
> domain.

>> However, all I get is a grubdom prompt.

>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)

>> BEng(Hons)(Mechanical Engineering)

>> Technical Support Engineer

>> Information Technology Department

>>

>> Asiasoft Online Pte Ltd

>>

>> Tampines Central 1 #04-01 Tampines Plaza

>>

>> Singapore 529541

>> Republic of Singapore

>>

>> Mobile Phone: +65-9648-9798

>>

>> MSN: teoenming@xxxxxxxxxxx

>> -----Original Message-----

>> From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>

>> To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>, "Sander Eikelenboom"

>> <linux@xxxxxxxxxxxxxx>

>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, jeremy.fitzhardinge@xxxxxxxxxx

>> Date: Fri, 24 Jul 2009 01:03:35 +0800

>> Subject: Re: Re[2]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's

>> PVOPS Kernel

>> Hi Sander

>> I added boot to kernel and initrd in the grub config of the centos 4.7

>> pv guest but it still doesn't work.

>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)

>> BEng(Hons)(Mechanical Engineering)

>> Technical Support Engineer

>> Information Technology Department

>>

>> Asiasoft Online Pte Ltd

>>

>> Tampines Central 1 #04-01 Tampines Plaza

>>

>> Singapore 529541

>> Republic of Singapore

>>

>> Mobile Phone: +65-9648-9798

>>

>> MSN: teoenming@xxxxxxxxxxx

>> -----Original

>> Message-----

>>

>> From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>

>>

>> To: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>

>>

>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, jeremy.fitzhardinge@xxxxxxxxxx

>>

>> Date: Fri, 24 Jul 2009 00:44:58 +0800

>>

>> Subject: Re: Re[2]: [Xen-devel] Unable to Configure Xen Dom 0 in

>> Jeremy's PVOPS Kernel

>>

>>

>> Hi Sander,

>>

>>

>> The grub config in the centos 4.7 pv guest was automatically added by

>> centos installer.

>>

>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)

>> BEng(Hons)(Mechanical Engineering)

>>

>> Technical Support Engineer

>>

>> Information Technology Department

>>

>> Asiasoft Online Pte Ltd

>>

>> Tampines Central 1 #04-01 Tampines Plaza

>>

>> Singapore 529541

>>

>> Republic of Singapore

>>

>> Mobile Phone: +65-9648-9798

>>

>> MSN: teoenming@xxxxxxxxxxx

>>

>>

>> -----Original

>> Message-----

>>

>> From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>

>>

>> To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>

>>

>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, jeremy.fitzhardinge@xxxxxxxxxx

>>

>> Date: Thu, 23 Jul 2009 18:40:48 +0200

>>

>> Subject: Re[2]: [Xen-devel] Unable to Configure Xen Dom 0 in

>> Jeremy's PVOPS Kernel

>>

>>

>>

>> Hello Teo,

>>

>>

>> Are you sure the path in your grub menu is correct ?

>>

>> Shouldn't you add /boot infront of vmlinuz and initrd ?

>>

>>

>> Regards,

>>

>>

>> Sander

>>

>>

>> Thursday, July 23, 2009, 6:13:02 PM, you wrote:

>>

>>

>>> Hi!!!

>>

>>

>>> I have managed to install CentOS 4.7 paravirtualized guest

>> on Xen Dom 0

>>

>>> Jeremy Fitzhardinge's pv_ops kernel successfully. Please

>> see screenshots

>>

>>> here:

>>

>>>

>>
> http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/07/creating-centos-47-32-bit.html
> [ http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/07/creating-centos-47-32-bit.html ]

>>
> [ http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/07/creating-centos-47-32-bit.html
> [ http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/07/creating-centos-47-32-bit.html ]]

>>

>>

>>> However, after installation of CentOS 4.7 PV, I can't

>> start the guest

>>

>>> domain.

>>

>>

>>> I have tried to mount/access the CentOS 4.7 guest disk

>> image file and found

>>

>>> out that xenU (xen-aware) kernel and initial ramdisk

>> images were installed.

>>

>>> PV Guest GRUB was also configured to boot the xenU kernel.

>> Please see

>>

>>> screenshot:

>>

>>>

>>
> http://1.bp.blogspot.com/_zzjv8MCM2sk/SmiMcYsFzAI/AAAAAAAAACk/rYxOFDHuD00/s1600-h/xen18.jpeg
> [ http://1.bp.blogspot.com/_zzjv8MCM2sk/SmiMcYsFzAI/AAAAAAAAACk/rYxOFDHuD00/s1600-h/xen18.jpeg ]

>>
> [ http://1.bp.blogspot.com/_zzjv8MCM2sk/SmiMcYsFzAI/AAAAAAAAACk/rYxOFDHuD00/s1600-h/xen18.jpeg
> [ http://1.bp.blogspot.com/_zzjv8MCM2sk/SmiMcYsFzAI/AAAAAAAAACk/rYxOFDHuD00/s1600-h/xen18.jpeg ]]

>>

>>

>>> My CentOS 4.7 PV guest domain configuration is as follows:

>>

>>

>>>

>>
> http://3.bp.blogspot.com/_zzjv8MCM2sk/SmiMcrnOfEI/AAAAAAAAACs/s-xguFnf25U/s1600-h/xen19.jpeg
> [ http://3.bp.blogspot.com/_zzjv8MCM2sk/SmiMcrnOfEI/AAAAAAAAACs/s-xguFnf25U/s1600-h/xen19.jpeg ]

>>
> [ http://3.bp.blogspot.com/_zzjv8MCM2sk/SmiMcrnOfEI/AAAAAAAAACs/s-xguFnf25U/s1600-h/xen19.jpeg
> [ http://3.bp.blogspot.com/_zzjv8MCM2sk/SmiMcrnOfEI/AAAAAAAAACs/s-xguFnf25U/s1600-h/xen19.jpeg ]]

>>

>>

>>> Any idea why I can't start the CentOS 4.7 PV guest after

>> installation? Is

>>

>>> the guest domain configuration correct/sufficient? Please

>> advise.

>>

>>

>>> Thank you!!!

>>

>>

>>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics

>> Engineering)

>>

>>> BEng(Hons)(Mechanical Engineering)

>>

>>

>>> Technical Support Engineer

>>

>>

>>> Information Technology Department

>>

>>>

>>

>>> Asiasoft Online Pte Ltd

>>

>>>

>>

>>> Tampines Central 1 #04-01 Tampines Plaza

>>

>>>

>>

>>> Singapore 529541

>>

>>

>>> Republic of Singapore

>>

>>>

>>

>>> Mobile Phone: +65-9648-9798

>>

>>>

>>

>>> MSN: teoenming@xxxxxxxxxxx

>>

>>

>>

>>> -----Original Message-----

>>

>>

>>> From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>

>>

>>

>>> To: "Pasi Kärkkäinen" <pasik@xxxxxx>

>>

>>

>>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx,

>> jeremy.fitzhardinge@xxxxxxxxxx

>>

>>

>>> Date: Thu, 23 Jul 2009 19:52:23 +0800

>>

>>

>>> Subject: Re: [Xen-devel] Unable to Configure Xen Dom 0 in

>> Jeremy's PVOPS

>>

>>> Kernel

>>

>>

>>

>>

>>

>>> Dear Pasi,

>>

>>

>>

>>

>>> Thank you!!!

>>

>>

>>

>>

>>> I am now creating a virtual harddisk for my Xen virtual

>> machine.

>>

>>> Creating a 146 GB virtual harddisk:

>>

>>

>>

>>

>>> # dd if=/dev/zero of=/home/enming/ga-nfs.img bs=1M

>> count=149504

>>

>>

>>

>>

>>> I am going to run CentOS 4.7 32-bit linux on it!

>>

>>

>>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics

>> Engineering)

>>

>>> BEng(Hons)(Mechanical Engineering)

>>

>>

>>> Technical Support Engineer

>>

>>

>>> Information Technology Department

>>

>>>

>>

>>> Asiasoft Online Pte Ltd

>>

>>>

>>

>>> Tampines Central 1 #04-01 Tampines Plaza

>>

>>>

>>

>>> Singapore 529541

>>

>>

>>> Republic of Singapore

>>

>>>

>>

>>> Mobile Phone: +65-9648-9798

>>

>>>

>>

>>> MSN: teoenming@xxxxxxxxxxx

>>

>>

>>

>>

>>> -----Original

>>

>>> Message-----

>>

>>>

>>

>>> From: Pasi Kärkkäinen <pasik@xxxxxx>

>>

>>>

>>

>>> To: Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>

>>

>>>

>>

>>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx,

>> jeremy.fitzhardinge@xxxxxxxxxx

>>

>>>

>>

>>> Date: Thu, 23 Jul 2009 13:41:28 +0300

>>

>>>

>>

>>> Subject: Re: [Xen-devel] Unable to Configure Xen Dom

>> 0 in Jeremy's

>>

>>> PVOPS Kernel

>>

>>>

>>

>>

>>>

>>

>>

>>>

>>

>>> On Thu, Jul 23,

>>

>>> 2009 at 06:25:33PM +0800, Teo En Ming wrote:

>>

>>>

>>

>>>> Dear Pasi,

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> I ran "mount /proc/xen" manually *after* the

>> system booted

>>

>>> up, it read

>>

>>>

>>

>>>> /etc/fstab, and mounted /proc/xen

>> successfully!!!

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> Please see the last line of the following

>> "mount" output:

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> /dev/sda2 on / type ext3 (rw,acl,user_xattr)

>>

>>>

>>

>>>> /proc on /proc type proc (rw)

>>

>>>

>>

>>>> sysfs on /sys type sysfs (rw)

>>

>>>

>>

>>>> debugfs on /sys/kernel/debug type debugfs (rw)

>>

>>>

>>

>>>> udev on /dev type tmpfs (rw)

>>

>>>

>>

>>>> devpts on /dev/pts type devpts

>> (rw,mode=0620,gid=5)

>>

>>>

>>

>>>> /dev/sda3 on /home type ext3 (rw,acl,user_xattr)

>>

>>>

>>

>>>> fusectl on /sys/fs/fuse/connections type fusectl

>> (rw)

>>

>>>

>>

>>>> none on /proc/sys/fs/binfmt_misc type

>> binfmt_misc (rw)

>>

>>>

>>

>>>> gvfs-fuse-daemon on /home/enming/.gvfs type

>>

>>> fuse.gvfs-fuse-daemon

>>

>>>

>>

>>>> (rw,nosuid,nodev,user=enming)

>>

>>>

>>

>>>> none on /proc/xen type xenfs (rw)

>>

>>>

>>

>>>>

>>

>>>

>>

>>

>>>

>>

>>> Yep, now it's mounted :)

>>

>>>

>>

>>

>>>

>>

>>>> It is very strange that the system did not mount

>> /proc/xen

>>

>>> automatically as

>>

>>>

>>

>>>> indicated in /etc/fstab during bootup.

>>

>>>

>>

>>>>

>>

>>>

>>

>>

>>>

>>

>>> Indeed.

>>

>>>

>>

>>

>>>

>>

>>>> Now I am able to start xend daemon. Please see

>>

>>>

>>

>>>>

>>

>>>

>>
> http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg ]

>>
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg ]]

>>

>>>

>>
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg ]

>>
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg
> [ http://2.bp.blogspot.com/_zzjv8MCM2sk/Smg7pKoH_JI/AAAAAAAAABU/TVkqEEyLzYQ/s1600-h/xen08.jpeg ]]

>> ]

>>

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> And I can see domain 0 using the "xm list"

>> command already!

>>

>>>

>>

>>>>

>>

>>>

>>

>>

>>>

>>

>>> Congrats! :)

>>

>>>

>>

>>

>>>

>>

>>>> Any ideas how to make /proc/xen automatically

>> mounted while

>>

>>> booting? I

>>

>>>

>>

>>>> thought I already have the xenfs entry in

>> /etc/fstab.

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> /dev/disk/by-id/ata-ST3320620AS_9QF97Q42-part1

>> swap

>>

>>> swap

>>

>>

>>>

>>

>>>> defaults

>>

>>

>>> 0 0

>>

>>>

>>

>>>> /dev/disk/by-id/ata-ST3320620AS_9QF97Q42-part2 /

>>

>>

>>>

>> ext3

>>

>>>

>>

>>>

>>

>>>> acl,user_xattr

>> 1 1

>>

>>>

>>

>>>> /dev/disk/by-id/ata-ST3320620AS_9QF97Q42-part3

>> /home

>>

>>> ext3

>>

>>

>>>

>>

>>>> acl,user_xattr

>> 1 2

>>

>>>

>>

>>>> proc

>>

>>

>>> /proc

>> proc

>>

>>> defaults

>> 0

>>

>>>

>>

>>>> 0

>>

>>>

>>

>>>> sysfs

>>

>>

>>> /sys

>> sysfs

>>

>>> noauto

>>

>>

>>> 0

>>

>>>

>>

>>>> 0

>>

>>>

>>

>>>> debugfs

>>

>>

>>> /sys/kernel/debug debugfs

>> noauto

>>

>>> 0

>>

>>>

>>

>>>> 0

>>

>>>

>>

>>>> devpts

>>

>>

>>> /dev/pts devpts

>>

>>

>>> mode=0620,gid=5 0

>>

>>>

>>

>>>> 0

>>

>>>

>>

>>>> none

>>

>>

>>> /proc/xen xenfs

>>

>>

>>> defaults

>> 0

>>

>>>

>>

>>>> 0

>>

>>>

>>

>>>>

>>

>>>

>>

>>>> Seems the initscripts did not attempt to mount

>> /proc/xen

>>

>>> during system

>>

>>>

>>

>>>> startup.

>>

>>>

>>

>>>>

>>

>>>

>>

>>

>>>

>>

>>> That's weird.. it should be mounted automatically

>> when it's in

>>

>>> fstab.

>>

>>>

>>

>>> Maybe it's because sysfs /sys is 'noauto'? Try to

>> change that to

>>

>>> 'defaults'.

>>

>>>

>>

>>

>>>

>>

>>>> Or should I put "mount /proc/xen" in

>> /etc/rc.local?

>>

>>>

>>

>>>>

>>

>>>

>>

>>

>>>

>>

>>> That shouldn't be necessary.

>>

>>>

>>

>>

>>>

>>

>>> -- Pasi

>>

>>>

>>

>>

>>>

>>

>>> _______________________________________________

>>

>>>

>>

>>> Xen-devel mailing list

>>

>>>

>>

>>> Xen-devel@xxxxxxxxxxxxxxxxxxx

>>

>>>

>>

>>> http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]

>> [http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]]

>>

>>> [ http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]

>> [http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]]]

>>

>>

>>

>>

>> --

>>

>> Best regards,

>>

>> Sander

>> mailto:linux@xxxxxxxxxxxxxx

>>

>>

>>

>> _______________________________________________

>>

>> Xen-devel mailing list

>>

>> Xen-devel@xxxxxxxxxxxxxxxxxxx

>>

>> http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]

>> [http://lists.xensource.com/xen-devel
> [http://lists.xensource.com/xen-devel]]

--
Best regards,
Sander mailto:linux@xxxxxxxxxxxxxx

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Re: Re[6]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS K