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Re: [Xen-users] Xen reboots



Thanks Seneca


still get error:

mdadm: error opening /devfs/md/1: No such file or directory
mdadm: error opening /devfs/md/2: No such file or directory
mount: devfs: not mounted
mount: unknown filesystem type "devfs"
ivot_root: No such file or directory
sbin/init: 428: cannot open dev/console: No such file
kernel panic: bla bla bla.....

regards

Am Sonntag, den 09.04.2006, 23:39 +0200 schrieb Seneca:

Hello Tulasi,

I think the problem is not the SATA driver, but that you are running
on a RAID (md2). As seen in your non-Xen booting, you are using a
initrd, so you also need to create and use one for your xen boot.

For Xen 3.0.2 it works this way:

depmod 2.6.16-xen
mkinitrd -o /boot/initrd.img-2.6.16.xen 2.6.16-xen

In menu.lst:

title           Xen 3.0.2 / XenLinux 2.6.16
root            (hd0,0)
kernel          /boot/xen-3.0.2.gz dom0_mem=262144
module          /boot/vmlinuz-2.6.16-xen root=/dev/md2 ro console=tty0
module          /boot/initrd.img-2.6.16-xen
savedefault
boot

Seneca

T> non of the kernels seems to understand my nVidia Sata controller:

T> Cannot open root device "md2" or unknown block(0,0)
T> please append a correct "root=" boot option
T> kernel panic - not syncing: VFS: Unable to mount root fs on
T> unknown-block(0,0)

T> here is my grub conf.

T> title           Ubuntu, kernel 2.6.12-9-386
T> root            (hd0,0)
T> kernel          /vmlinuz-2.6.12-9-386 root=/dev/md2 ro quiet splash
T> initrd          /initrd.img-2.6.12-9-386
T> savedefault
T> boot

T> title Xen 3.0 / XenLinux 2.6
T> kernel          /xen-3.0.1.gz noreboot
T> module          /vmlinuz-2.6.12.6-xen root=/dev/md2 ro console=tty0

T> title Xen 3.0 / XenLinux 2.6
T> kernel          /xen-3.0.2.gz noreboot
T> module          /vmlinuz-2.6.16-xen root=/dev/md2 ro console=tty0

T> strange Ubuntu 5.10 does recognize the harddrives not so the the
latest
T> Ubuntu Dapper, same with Fedora4 and the latest Fedora5

T> should i get just two IDE Harddisk?

T> thanks

T> Am Sonntag, den 09.04.2006, 15:29 +0200 schrieb Peter Fokkinga:
>> Quoting Tulasi <kuzum@xxxxxxxxxx>:
>> > I made a install of XEN but after booting into xen, it reboots
>> > sometime later, without an information.
>> >
>> > does anyone know what to do.
>> >
>> Add 'noreboot' (without quotes) to the Xen commandline in your
>> grub or lilo configuration. Now Xen will just halt when something
>> goes wrong instead of immediately rebooting, thus allowing you
>> to see what went wrong. See section 10.3 in the Xen users manual,
>> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html
>> 
>> It's quite possible that the 2.6.12 kernel does not support your
>> nVidia SATA controller. I would recommend you try Xen 3.0.2 that
>> was released a few days ago (it uses kernel 2.6.16). It can be
>> found at http://www.cl.cam.ac.uk/Research/SRG/netos/xen/downloads
>> 
>> Cheers, Peter
>> 
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users


T> _______________________________________________
T> Xen-users mailing list
T> Xen-users@xxxxxxxxxxxxxxxxxxx
T> http://lists.xensource.com/xen-users


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