I met similar problems and solved it.
if your grub.conf is OK, you can try to edit a option of your .config.
CONFIG_SYSFS_DEPRECATED_V2=y
2010/5/14 ccmail111 <ccmail111@xxxxxxxxx>
>
> Thanks Pasi/Todd,
>
> I did:
> # mkinitrd -v -f --builtin=ehci-hcd --builtin=ohci-hcd --builtin=uhci-hcd
> --builtin=ahci --builtin=aacraid --builtin=aacraid --builtin=sd_mod
> --builtin=scsi_mod /boot/initrd.img-2.6.31.13 2.6.31.13
>
>
> Now
> I see during boot: kernel panic:
>
> Mounting root filesystem.
> mount: could not find filesystem '/dev/root'
> setting up other filesystems
> setting up new root fs
> setuproot: moving /dev failed No such file or directory
> setuproot: error mounting /proc: No such file or directory
> setuproot: error mounting /sys: No such file or directory
> switchroot: mount failed: No such file or directory
> kernel panic - not syncing : Attempted to kill init !
>
>
>
>
> --- On Thu, 5/13/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>
> From: Pasi Kärkkäinen <pasik@xxxxxx>
> Subject: Re: [Xen-devel] initrd Xen 4.0
> To: "ccmail111" <ccmail111@xxxxxxxxx>
> Cc: deshantm@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
> Date: Thursday, May 13, 2010, 4:27 PM
>
> On Thu, May 13, 2010 at 01:08:36PM -0700, ccmail111 wrote:
> > The #5 of README is not clear in details.
> > which directory to run depmod and mkinitrd from ?
> >
>
> It doesn't matter.
>
> > I see:
> >
> > # depmod xen-4.0.0
> > WARNING: Couldn't find symtab and strtab in module xen-4.0.0
> >
>
> Wrong. You need to run depmod for the *kernel*, not for xen.
>
> So like this:
> depmod -a 2.6.32.12
>
> Or whatever is your kernel version.
>
> -- Pasi
>
> > # ls -l
> > total 1356
> > -rw-r--r-- 1 root root 1380620 May 13 13:05 xen-4.0.0
> >
> > Any suggestions ?
> >
> > --- On Wed, 5/12/10, Todd Deshane <deshantm@xxxxxxxxx> wrote:
> >
> > From: Todd Deshane <deshantm@xxxxxxxxx>
> > Subject: Re: [Xen-devel] initrd Xen 4.0
> > To: "ccmail111" <ccmail111@xxxxxxxxx>
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> > Date: Wednesday, May 12, 2010, 9:46 PM
> >
> > Hi,
> >
> > See inline.
> >
> > On Wed, May 12, 2010 at 12:25 PM, ccmail111 <[1]ccmail111@xxxxxxxxx>
> > wrote:
> > >
> > > Hi,
> > >
> > > I downloaded Xen 4.0 and did:
> > > make install
> > > I donot see initrd (ramdisk) being created at all.
> > >
> > > Any suggestions ?
> > >
> >
> > Step 5 of the README
> > Depending on your config, you may need to use 'mkinitrd' to create
> > an initial ram disk, just like a native system e.g.
> > # depmod 2.6.18-xen
> > # mkinitrd -v -f --with=aacraid --with=sd_mod --with=scsi_mod
> > initrd-2.6.18-xen.img 2.6.18-xen
> > Other systems may requires the use of 'mkinitramfs' to create the
> > ram disk.
> > # depmod 2.6.18-xen
> > # mkinitramfs -o initrd-2.6.18-xen.img 2.6.18-xen
> >
> > You may need to change the kernel version based on what you built.
> > Also some distros use different commands to build initrd files.
> >
> > I actually forgot about this step for a second too.
> >
> > Thanks,
> > Todd
> >
> > --
> > Todd Deshane
> > [2]http://todddeshane.net
> > [3]http://runningxen.com
> >
> > References
> >
> > Visible links
> > 1. file:///mc/compose?to=ccmail111@xxxxxxxxx
> > 2. http://todddeshane.net/
> > 3. http://runningxen.com/
>
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
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