Re: [Xen-users] supported distributions

[James Bulpin <james@xxxxxxxxxxxxx>]

You probably need an initrd (even if the block device driver is compiled
in).

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

James

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
>         >
>         >
>         >
>         
> >------------------------------------------------------------------------
>         >
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>         >http://lists.xensource.com/xen-users
>         >
> 
> 
> 
> ______________________________________________________________________
> 
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