Re: [Xen-users] Re: [Xen-devel] How does pvops create loop device for initrd to support Xen live image?

[Martinx - ジェームズ <thiagocmartinsc@xxxxxxxxx>]

For sure, that's your problem, you must correct the kernel modules version...

On 17 June 2010 07:02, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

On 06/17/2010 02:07 AM, Wang, Shane wrote:
> Hi,
>
> I want to create a Xen live image based on fedora project (http://fedoraproject.org/wiki/FedoraLiveCD/USBHowTo).
> Since the root fs is packed as a squashfs image, initrd will have script to mount it and switch root into it.
> But now I get the errors after booting up xen and pvops. (see log attached)
> It complains pvops is not aware of any loop device. I compile pvops with BLK_DEV_LOOP=y.
>
> ...
> losetup: Could not find any loop device. Maybe this kernel does not know
>        about the loop device? (If so, recompile or `modprobe loop'.)
> loop: can't get info on device /osmin.img: Inappropriate ioctl for device
> Usage: mount -V                 : print version
>        mount -h                 : print this help
>        mount                    : list mounted filesystems
>        mount -l                 : idem, including volume labels
> So far the informational part. Next the mounting.
> The command is `mount [-t fstype] something somewhere'.
> ...
>

I think your problems are earlier:

[    4.866595] ehci_hcd: version magic '2.6.31.12 SMP mod_unload ' should be '2.
6.30-rc3-tip SMP mod_unload '
[    4.870773] ohci_hcd: version magic '2.6.31.12 SMP mod_unload ' should be '2.
6.30-rc3-tip SMP mod_unload '
[    4.875282] uhci_hcd: version magic '2.6.31.12 SMP mod_unload ' should be '2.
6.30-rc3-tip SMP mod_unload '
[    4.892417] scsi_mod: version magic '2.6.31.12 SMP mod_unload ' should be '2.
6.30-rc3-tip SMP mod_unload '
[    4.896594] sd_mod: version magic '2.6.31.12 SMP mod_unload ' should be '2.6.
30-rc3-tip SMP mod_unload '
[    4.902025] libata: version magic '2.6.31.12 SMP mod_unload ' should be '2.6.
30-rc3-tip SMP mod_unload '
[    4.907591] pata_acpi: version magic '2.6.31.12 SMP mod_unload ' should be '2
.6.30-rc3-tip SMP mod_unload '
[    7.413066] ata_piix: version magic '2.6.31.12 SMP mod_unload ' should be '2.
6.30-rc3-tip SMP mod_unload '
[    9.919044] ata_generic: version magic '2.6.31.12 SMP mod_unload ' should be
'2.6.30-rc3-tip SMP mod_unload '
[    9.924079] ahci: version magic '2.6.31.12 SMP mod_unload ' should be '2.6.30
-rc3-tip SMP mod_unload '
[   12.430218] scsi_wait_scan: version magic '2.6.31.12 SMP mod_unload ' should
be '2.6.30-rc3-tip SMP mod_unload '

It looks like you're trying to mix modules from a different kernel build.

       J


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