Bringing up Xen 4.0.0 in Slackware64 13.1

Viruzzz-kun · 07-27-2010, 08:47 AM

Hi!
I'm a little stuck %subj%.
I have built Xen itself, Xen tools and even two kernels (one using Xen's standard make procedure and one using -kernel-2.6 key). The second kernel doesn't work at all, but first loads only without Xen. Under Xen is panics saying it cannot mount root file system on unknown-block(2,0) and prints all my actual partitions.

Here is what I have in grub.cfg

Code:

menuentry "Xen 4.0.0 @ 2.6.31.13" {
        set root=(hd0,1)
        multiboot /boot/xen-4.0.0.gz dom0_mem=512M
        module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 rdinit= ro
}
menuentry "Linux kernel 2.6.31.13" {
        set root=(hd0,1)
        linux /boot/vmlinuz-2.6.31.13 root=/dev/sda1 rdinit= ro
}

...Maybe the problem is that Slackware uses 2.6.33.4 by default?
And, by the way, maybe, there is a way to patch 2.6.33.4 (or later) kernel to work as dom0?

Viruzzz-kun · 07-27-2010, 10:40 AM

ZOMG! I did it somehow.
I made initrd by the template from this post: http://www.linuxquestions.org/questi...-panic-593521/ but in a little different way:

mkinitrd -c -k 2.6.33.4 -m ext3:ext4 -s /boot/xen-tree -o /boot/unknown64.gz -f ext3 -r /dev/sda1

I used newer kernel to build initrd and deleted stupid "rdinit=" kernel parameters.
Now, the problem is to make 2.6.31.13 kernel work as my 2.6.33.4 does or to rebuild Xen with 2.6.33.4 as its dom0 kernel. Is it possible or I'm just losing time?

P.S. I recompiled the kernels. None of them work as they should.
2.6.31.13 starts, but doesn't load ext4, audio and several other modules;
2.6.18.8-xen0 barely starts, but fails to load completely;
2.6.34.1 blanks the screen right after loading Xen and stops reacting.
Now, I'm stuck again. >___< What am I doing wrong?

ChrisAbela · 08-03-2010, 04:56 AM

Deleted - Sorry

Viruzzz-kun · 08-09-2010, 04:13 AM

Quote:

Originally Posted by ChrisAbela

Deleted - Sorry

Thanx. I've watched the video, but I still don't see what to do. The video clip assumes, that XEN is already installed and running (if I understand right), but I can't even boot the kernel... By the way, I almost give up already...

ChrisAbela · 08-16-2010, 03:15 PM

Sorry for the delay in answering as I was on holiday.

Installing Xen on Slackware is not easy but it can be done. I have compiled some documentation on how to proceed but it I cannot paste here as there are many config files. Originally it was intended for a slackbuilds.org submission, but since it does not work on Slack32, I decided not to submit. Anyway if you are still interested, include a valid email address where I can send it to you in a neat tarball, as I cannot attach it here.

Chris

Viruzzz-kun · 08-28-2010, 02:44 AM

Actually, I almost gave up installing Xen, so I bought another PC, but it'd be great to know, how to install it.