https://bugzilla.novell.com/show_bug.cgi?id=413842
User schueffler@softgarden.de added comment
https://bugzilla.novell.com/show_bug.cgi?id=413842#c28
--- Comment #28 from Stefan Schueffler 2008-08-16 09:42:23 MDT ---
Hi
meanwhile i found the time to test some different scenarios using openSUSE 11
as installed base system.
I am able to boot the 10.3-xen-kernel (kernel-xen-2.6.22.18-0.2) on either
10.3-xen-hypervisor (xen-3.1.0_15042-51.3) or
11.0-xen-hypervisor (xen-3.2.1_16881_04-4.2)
I am not able to boot the 11.0-xen-kernel on either the 10.3 or 11.0
hypervisor.
The last two tests where performed with either
CONFIG_XEN_COMPAT = 3.0.2-and-later, 3.0.4-and-later, or 3.1.0-and-later.
As i can not see a significant difference in the mpt-driver-files, and the
not-working function still seems to be in ioremp, i tried to examine the
difference between 2.6.22 and 2.6.25 which causes my problem. But unfortunately
there are so many changes in the ioremap-implementation between 2.6.22 and
2.6.25 that i can not say for sure which one causes the hang. It would need me
a lot of time to replay one commit at a time, compile new kernel, reboot, etc.
I also tried to integrate some of the improvements in kernel 2.6.26, or 2.627
(for example the fixes in cpa_process_alias, or the more advanced
validity-checks etc), but it did not made any difference...
Do i own defective xeon-cpu's / mainboard / bios, or are dell's server not
capable of running modern linux-xen-distros? Or is there any chance, that it
really is a server-bios or software-bug in either xen oder kernel
implementation of ioremp (and its descendant functions)?
regards
Stefan Schüffler
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