[Xen-devel] Invalid or unsupported executable format, or is it a reiserfs problem?

["Filip Sergeys" <filip.sergeys@xxxxxxxxxxxxxxxx>]

Our newly build xen kernel does not boot. The error message is : Invalid or unsupported executable format. 

I have build xen from the xen-2.0.4 source (make world, make install) on a debian sarge system. 
I have not changed any of the kernel configurations, I did make an initrd image. 
The entry in my menu.lst is : 

title           Debian GNU/Linux, kernel 2.6.10-xen0 
root            (hd0,0) # I also tried without this line. 
kernel          /boot/xen.gz dom0_mem=64000 
module          /boot/vmlinuz-2.6.10-xen0 root=/dev/hda1 ro 
module          /boot/initrd.img-2.6.10-xen0 # Also tried without this line 

The server's / (/boot) partition is reiserfs. I wonder if this is the problem? I found messages saying that it doesn't work with reiserfs and others that say it should work. What is the final answer? 
Looking in the kernel config file: reiserfs is build into the kernel, not as a module. 
As a side note: the standard debian 2.6.8-2 kernel works perfectly. 

== from the grub manual == 
Invalid or unsupported executable format: 
This error is returned if the kernel image being loaded is not recognized as 
Multiboot or one of the supported native formats (Linux zImage or bzImage, 
FreeBSD, or NetBSD). 
== end == 
since xen is multiboot and I would be surprised that the xen.gz kernel image file is not in native format; I have a strong feeling that this error message is not giving the root cause. 

Anybody any thoughts? 

Thanx in advance for any answer, 

Regards, 

Filip Sergeys

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