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Re: [Xen-users] supported distributions

To: Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] supported distributions
From: Arijit Ganguly <aganguly@xxxxxxxxx>
Date: Wed, 8 Jun 2005 11:14:34 -0700
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Reply-to: Arijit Ganguly <aganguly@xxxxxxxxx>
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I guess the reason why it is failing is the lack of driver support for dual drive bus existing  on dell pe1800.

Besides, I have also been trying to recompile the kernel but end up getting an error in some driver.c file.

I did the following:
Inside: xen-2.0
make world
cd linux-2.6.10-xen0
make ARCH=xen menuconfig
//selected my drivers and modules
I get error in balloon.c, in function balloon_process
line 210: phys_to_machine_mapping undeclared
line 210: INVALID_P2M_ENTRY undeclared.

any clues

On 08 Jun 2005 10:26:22 +0100, James Bulpin <james@xxxxxxxxxxxxx> wrote:
You probably need an initrd (even if the block device driver is compiled

mkinitrd /boot/initrd-2.6.10-xen0.img 2.6.10-xen0

and add the corresponding line to grub

module initrd-2.6.10-xen0.img


On Wed, 2005-06-08 at 01:42, Arijit Ganguly wrote:
> I rebuilt my custom kernel, with extensive support for RAID.
> I am still not able to boot XenLinux.
> These are the last few lines that I see before the system reboots.
> md: autodetecting RAID arrays
> md: autorun DONE
> Root-NFS: No NFS server available
> VFS: unable to mount rootsfs via NFS, trying floppy
> VFS: insert root floppy and press enter
> Cannot open root=sda5 or unknown block(2,0)
> One another note my boot device is /dev/sda5, just to make sure that
> Xen may have issues with extended and primary partitions.
> any clues.
> Arijit
> Arijit
> On 6/7/05, Mark Porter <mark@xxxxxxxxxxxxxxxx> wrote:
>         If  you used the xen installer, it installed a kernel with
>         very limited
>         support for block devices. It looks like you are using at
>         least a SCSI
>         HBA or maybe even a RAID controller. The driver for this
>         interface is
>         probably not in the default kernel. Most distributions either
>         install a
>         kernel with the driver for your hardware built-in or  an
>         initial ram
>         disk image with the driver.
>         The easiest solution is to
>             download the source, and expand the xen-2.0 directory
>             cd to the xen-2.0 directory and run "make world"
>             cd into the linux-2.6.11-xen0 directory and run "make
>         ARCH=xen
>         xconfig" (or menuconfig if you don't have X)
>             build whatever drivers you need  for the hard drives into
>         the
>         kernel, make modules for everything else (usb support, other
>         filesystems, network cards, etc)
>             cd ../ to the xen-2.0 directory
>             run "make install"
>         That should build and install your custom kernel.
>         Good luck,
>         Mark
>         Arijit Ganguly wrote:
>         >All,
>         >
>         >I was wondering what distributions of linux are supported
>         inside Xen. I
>         >built the Xen kernel image on my Red Hat Enterprise 3
>         machine, and then
>         >specify the menu.conf entry as:
>         >title Xen
>         >kernel xen.gz dom0_mem=128000
>         >module vmlinuz-2.6.10-xen0 root=/dev/sda6 ro console=tty0
>         >
>         >When I boot this image, I get an error like
>         >unable to mount root sda6
>         >
>         >Ithe Red Hat Enterprise3 image however mounts it perfectly
>         fine.
>         >
>         >My machine is dell pe1800 dual processor (server class). i
>         hope Xen is not
>         >just confined to desktops, because it wrked fine on a debian
>         desktop.
>         >
>         >Arijit
>         >
>         >
>         >
>         >------------------------------------------------------------------------
>         >
>         >_______________________________________________
>         >Xen-users mailing list
>         >Xen-users@xxxxxxxxxxxxxxxxxxx
>         >http://lists.xensource.com/xen-users
>         >
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