Re: [Xen-users] Xen3.0, LSI MegaRaid, Debian

[Sebastian Ewert <ewerts@xxxxxxxxxxxxxx>]

Hi Bruno,

thank you very much for your answer.

I don't have any experience with vanilla kernels under debian. I know that
debian does not patch their kernels a lot (compared to other distros), but a 
few patches, that might be important, are also in debian kernels. For 
example one, that allows APT to overwrite files that are currently in use. 
So I don't know if your config would also work against the debian patched 
kernel.
Another reason I would like to stick to debian stock kernels is because of
security updates (with everything I have to do outside APT, I'm a bit lazy
sometimes; I have to admit that to myself)

But don't get me wrong; I really appreciate your detailed post! Really nice 
to see that it is possible at least with a vanilla kernel to get Xen and the 
LSI adapter to work with each other. But I hope that that is also possible 
with the debian patched kernel.

So my question is if somebody knows if there is a way so that I can get the 
LSI adapter to work with the Debian Xen kernel.
Thank you in advance...


bruno taranto wrote:
> 1. Get the lastest xen-src.
> 2. copy to your /usr/src/
> 2. tar xzf xen-unstable-src.tgz
> 3. cd /usr/src/xen-unstable-dir/
> 3. make world (be sure your box has internet access to xen get the 
> linux-2.6.16 from kernel.org <http://kernel.org>).
> 4. make install
> 5. copy my .config(config-2.6.16-xen-ok) to your 
> xen_unstable_directory/linux.2.6.16-xen/ (dont forget to rename to .config)
> 6. at /usr/src/xen-unstable-dir/ run the commands:
> make linux-2.6-xen-config CONFIGMODE=menuconfig (my .config has much trash)
> make linux-2.6-xen-build
> make linux-2.6-xen-install
> depmod 2.6.16-xen
> mkinitrd -o /boot/initrd-2.6.16-xen.img 2.6.16-xen
> 7. dont forget to change your boot loader.
> 8. reboot
>
> On 6/12/06, *Sebastian Ewert* <ewerts@xxxxxxxxxxxxxx 
> <mailto:ewerts@xxxxxxxxxxxxxx>> wrote:
>     Hello,
>
>
>     Problem: Debian(linux-image-xen-686) Dom0 does not boot from LSI
>     MegaRaid
>
>     I'm sorry, because I don't know if I'm at the right place to ask for a
>     solution for my problem, because it might be Debian related.
>     Nethertheless I
>     try:
>
>     Xen Kernel are in Debian Unstable for a month or so. I'm running an
>     Etch
>     (testing) machine here and I wanted to try out Xen. I followed this
>     guide here:
>
>     http://www.debian-administration.org/articles/396
>
>     The only difference is that I set APT::Default-Release "testing"; in my
>     apt.conf so that the rest of the system stays in etch (just the xen
>     kernels
>     are not in etch).
>
>     In my system is a LSI Megaraid SCSI Controller; there no problem booting
>     from it using the xen-less Debian Kernel. But when I boot up the Xen
>     Kernel
>     I get some IO Error messages about sda (some sectors; especially
>     sector 0).
>     The boot process ends with the message "Waiting for root filesystem" and
>     after a while I'm in BusyBox.
>
>     I tried the same guide from above in a VMware machine (so without
>     complicated hardware) and everything worked out fine.
>
>     I would like to give more boot screen messages but I don't know how
>     I can
>     save them (since the boot process is interupted).
>
>
>     Thank you in advance for any idea or direction where to go...

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