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

[Adam Sulmicki <adam@xxxxxxxxxxxx>]

btw : of curiosity, what hardware ?

On Fri, 18 Feb 2005, Filip Sergeys wrote:

> I have reinstalled that machine with a ext3 /boot partition and a
> reiserfs / partition
>
> /dev/hda1  /boot (ext3)
> /dev/hda2 swap
> /dev/hda4 /  (reiserfs)
>
> Installation from source
>
> tar xvf xen-2.0.4.tgz
> cd xen-2.0
> make world
> make install
> mkinitrd -o /boot/initrd.img-2.6.10-xen0 2.6.10-xen0
>
> Edit menu.lst in /boot/grub
> add serial support for grub:
> serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
> terminal --timeout=5 serial console
>
> Entry for Xen:
> title Xen-2.0
> root (hd0,0) # also tried without
> kernel /xen.gz dom0_mem=64000
> module /vmlinux-2.6.10-xen0 root=/dev/hda4 ro console=tty0
> console=ttyS0,115200n8
> module /initrd.img-2.6.10-xen0 #also tried without
>
>
> Connect to another host with null modem cable.
> start minicom and  configure with serial parameters to 115200,
> parity=no, data=8, stop=1
> hardware flow control = yes
> software flow control = no
> terminal = VT102
> backspace sends BS
>
> Result:
> -------
> The xen kernel does not boot
> I don't see anything on the terminal from grub or xenlinux  (I do see
> the output when booting the normal debian kernel)
> I am lost !
>
> Does anybody know how to go on from here or do I have no other choice
> then to download fedora core 3 and try it with that distribution?
> Thanks in advance for any help.
>
> Regards,
>
> Filip Sergeys
>
>
>
>
> On Thu, 2005-02-17 at 16:32, Steven Hand wrote:
>
>    > On Thu, 2005-02-17 at 14:56, Steven Hand wrote:
>    >
>    >     > 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.
>    >
>    >     What does `file /boot/xen.gz' say?
>    >
>    > /boot/xen.gz: gzip compressed data, from Unix, max compression
>    >
>    >     What does `cat /boot/xen.gz | gunzip -c | file -` say?
>    >
>    > /dev/stdin: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),
>    > statically linked, stripped
>
>    Ok, that looks good.
>
>    >     > As a side note: the standard debian 2.6.8-2 kernel works perfectly.
>
>    Hmm: what is the menu.lst you use for that? In particular, is the
>    kernel you boot in the same directory as xen.gz?
>
>    What's the overall makeup of your partitions + filesystems in the
>    machine? I'm guessing /dev/hda1 is { /boot, reiserfs } -- what
>    about the rest of the system?
>
>
>    > Thinking ahead, suppose reiserfs has to be dropped, will it suffice to
>    > just convert the /boot partition to ext3 or does the entire / partition
>    > need to be converted?
>
>    Well ideally it should all "just work" even with reiserfs as /boot.
>
>    How did you get xen.gz onto /boot? Did you copy it from an ext2/3
>    partition? There seems to be something weird about reiserfs and
>    grub involving the "-notail" mount option...
>
>
>    cheers,
>
>    S.
>
>
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