Well, the problem could be the same cause i use a single 140GB partition 
too.
Does this mean i have to reinstall NetBSD? No, please ;-(

Mike Sun schrieb:

> I had the same problem and it seems like Manuel's suggestion per
> http://mail-index.netbsd.org/port-xen/2006/10/17/0009.html solves the
> problem.
>
> On 11/4/06, Pavel Cahyna <pavel.cahyna@matfyz.cz> wrote:
>
>> On Sat, Nov 04, 2006 at 09:36:44PM +0100, Rainer Brinkmöller wrote:
>> > Hi,
>> >
>> > after i did install NetBSD 3.0.1 on my new Hardware and did update 
>> it to
>> > -CURRENT
>> > on this way: http://www.netbsd.org/Documentation/current/#updating
>> > i did install grub, xentools30, xenkernel30 and xentools-hvm
>> >
>> > Then configured grub. Reboot and .. failure ... remember ... sure, 
>> the kernel
>> > file is to big
>> > So, gzip the kernel file and reboot. Failure again.
>> >
>> > First Error when want to start by using kernel xen.gz and 
>> netbsd-XEN0.gz as
>> > module:
>> >
>> > kernel (hd0,a)/xen.gz dom0_mem=131072
>> >      [Multiboot-elf, <0x100000:0x7e5d8:0x47a28>
>> >
>> > Error 3: Bad or corrupt data while decompressing file
>> >
>> > Maybe something wrong with the xen.gz kernel file?
>> > The second Error i've got when want to start by using kernel 
>> netbsd-GENERIC.gz
>> > as module:
>> >
>> > root (hd0,a)
>> >     Filesystem type is ffs, partition type 0xa9
>> > kernel --type=netbsd /netbsd-GENERIC.gz
>> >      [Multiboot-elf, <0x100000:0x9ddfc0:0x0>
>>
>> Don't use --type=netbsd if the kernel is Multiboot, I think.
>>
>> Pavel
>>
>