Re: [Xen-devel] Re: switchroot mount failed

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Does teh kernel boot output indicate that the SCSI module has loaded  
and actually detected any discs (sda in particular)? This doesn't look  
like a Xen-specific problem.
 -- Keir


On 14 Jun 2006, at 20:38, vineet chadha wrote:

> Hi,
>  
> I am attaching lpci and lsmod for Xen boot problem mentioned below.  
> Any clues ?
>  
> -Vineet
>  
> On 6/13/06, vineet chadha <virtual.chadha@xxxxxxxxx> wrote: Hi,
> >  
> > Can xen developers kindly post relevant solution to this problem. I  
> > have seen many times on xen list-  not a simple answer. It has come  
> > to the point of frustration. I can provide any information needed.
> >  
> > Regards,
> > Vineet
> >
> > ---------- Forwarded message ----------
> > From: vineet chadha <virtual.chadha@xxxxxxxxx>
> > Date: Jun 13, 2006 8:42 AM
> > Subject: switchroot mount failed
> > To: xen-users@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
> >
> >  
> > All,
> > I am running xen3.0.2  and xen unstable on RHEL 4, and get this error  
> > when trying to boot Xen kernel(domain0)
> >  ......
> > Creating root device
> > Mounting root filesystem
> > mount: error 6 mounting ext3
> > mount: error 2 mounting none
> > Switching to new root
> > switchroot: mount failed: 22
> > umount /initrd/dev failed: 2
> > Kernel panic - not syncing: Attempting to kill init!
> > Then system reboot.In grub.conf,I have change  d the root=LABEL=/ to  
> > the actual device
> > (root=/dev/sda  3),and make the same change in /etc/fstab,  but I got  
> > same error.
> > My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux
> >
> > my installation steps as below, 
> > # pwd
> > /home/vineet/xen-3.0.2
> > # make world
> > # make install
> >        
> >  # cd /boot
> > # depmod 2.6.16-xen
> >  # mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
> > Creating initramfs
> > Looking for deps of module scsi_mod
> > Looking for deps of module sd_mod        scsi_mod
> >  Looking for deps of module scsi_mod
> > Looking for deps of module unknown
> > Looking for deps of module mptbase
> > Looking for deps of module mptscsih      mptbase scsi_mod
> > Looking for deps of module mptbase
> > Looking for deps of module scsi_mod
> > Looking for deps of module ide-disk
> > Looking for deps of module dm-mod
> > Looking for deps of module ext3  jbd
> >  Looking for deps of module jbd
> > Using modules:  ./kernel/drivers/scsi/scsi_mod.ko  
> > ./kernel/drivers/scsi/sd_mod.ko  
> > ./kernel/drivers/message/fusion/mptbase.ko  
> > ./kernel/drivers/message/fusion/mptscsih.ko ./kernel/drivers/md/dm-  
> > mod.ko ./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
> > /sbin/nash -> /tmp/initrd.L28813/bin/nash
> > /sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
> > /sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
> > /etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
> > copy from  
> > /lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386)  
> > to /tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
> > copy from  
> > /lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386)  
> > to /tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
> > copy from  
> > /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/ 
> > mptbase.ko(elf32-i386) to  
> > /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
> > copy from  
> > /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/ 
> > mptscsih.ko(elf32-i386) to  
> > /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
> > copy from  
> > /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386) to  
> > /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
> > copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386)  
> > to /tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
> >  copy from  
> > /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to  
> > /tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
> > Loading module scsi_mod
> > Loading module sd_mod
> > Loading module mptbase
> >  Loading module mptscsih
> > Loading module dm-mod
> > Loading module jbd
> > Loading module ext3
> > #
> > My grub.conf file:
> > default=0
> > timeout=5
> > splashimage=(hd0,0)/grub/splash.xpm.gz
> > hiddenmenu
> > title Red Hat enterprise linux (2.6.9-22.ELsmp)
> >         root (hd0,0)
> >         kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
> >          initrd /initrd-2.6.9-22.ELsmp.img
> > title Red Hat enterprise linux (2.6.9-22.EL)
> >          root (hd0,0)
> >         kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
> >         initrd /initrd- 2.6.9-22.EL.img
> > title Xen 3.0 / XenLinux 2.6
> >         root (hd0,0)
> >         kernel /xen-3.0.gz
> >         module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
> >          module /initrd-2.6.16-xen.img
> > I have tried giving different options to creation of mkinitrd command  
> > but it doesnot work. I have tried "builtin" and "with" options and it  
> > doesnot worl. In addition, I have tried to make hyperthreading  
> > disabled,it doesnot work for me.
> > I have seen many such messages but no concrete solution to this  
> > problem. Please help.
> >  
> >  
> > -Vineet<lspci.out><lsmod.out>_________________________________________ 
> > ______
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

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