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Working with Xen in Slackware 12.0

Site expert Bernard Golden answers a user question about working with Xen in Slackware 12.

I'm running Slackware 12.0 and followed the directions in the README file in the Xen source tree. I installed grub and made sure it was working properly. Then I rebooted and selected my Xen kernel. But Xen boots to a certain point and then emits an error and reboots. From what I can see, the error is "no /sbin/init found or not mounted". I suspected that this might be due to a lack of SCSI/SATA drivers in the Xen kernel....so I followed the README instructions to build a custom kernel. I made sure that ALL of the SATA/SCSI drivers are built-in so there should be no need for initrd, but after running make linux-2.6-xen-install, some stuff is installed to boot, but NOT the xen-3.2.0.gz that grub needs to load. Can you offer any advice?
The first thing to do is to look at the Xen logs which should be in /var/lib/logs (I am doing this from memory so not sure of exact path, but it's definitely in /var). The log should tell you where it stops working. I doubt that it's due to lack of drivers; I would expect it's not finding the right kernel file due to a mistake in the Xenconfig file or in the grub entry.
This was first published in February 2008

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