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Old 03-01-2011, 08:02 PM
Alexis de BRUYN
 
Default Debian 6.0 + Xen 4.0.1 + remus : "Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found ')"

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Hi list,

I am trying to setup a DomU with linux-2.6.18-xen.hg in order to test
Remus on a Debian Squeeze 6.0 / Xen 4.0.1 (2.6.32-5-xen-amd64) Dom0.

After applying several patches to the Debian Squeeze Xen packages, I
have built the linux-2.6.18-xen.hg, but when I start my DomU, I have got
this error message :

Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found
')

And more in the /var/log/xen/domain-builder-ng.log file :

xc_dom_allocate: cmdline="root=/dev/xvda2 ro ", features=""
xc_dom_kernel_file: filename="/boot/vmlinuz-2.6.18.8"
xc_dom_malloc_filemap : 1528 kB
xc_dom_ramdisk_file: filename="/boot/initrd.img-2.6.18.8"
xc_dom_malloc_filemap : 37 MB
xc_dom_boot_xen_init: ver 4.0, caps xen-3.0-x86_64 xen-3.0-x86_32p
xc_dom_parse_image: called
xc_dom_find_loader: trying ELF-generic loader ... failed
xc_dom_find_loader: trying Linux bzImage loader ...
xc_dom_bzimageloader.c:357: panic: xc_dom_probe_bzimage_kernel: boot
protocol too old (0204)
failed
xc_dom_find_loader: trying multiboot-binary loader ... failed
xc_dom_core.c:517: panic: xc_dom_find_loader: no loader found
xc_dom_release: called

I have built my linux-2.6.18-xen.hg kernel this way :

hg clone http://xenbits.xensource.com/linux-2.6.18-xen.hg
cd linux-2.6.18-xen.hg/
make menuconfig
make
make modules_install
make install
mkinitramfs -o /boot/initrd.img-2.6.18.8 2.6.18.8

Where am I wrong ?

Does anyone have succeeded with Remus and Debian Squeeze ? If yes, how ?

Thanks for your help,

- --
Alexis de BRUYN
email : alexis@de-bruyn.fr
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Old 03-14-2011, 02:04 PM
 
Default Debian 6.0 + Xen 4.0.1 + remus : "Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found ')"

Hello, Alexis.

Try unpacking your kernel. Xen cannot load some types of compressed
kernels.


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