[Xen-users] Question on linux dom0/domU incompatibilities

["Schmidt Werner" <Werner.Schmidt@xxxxxxxxxxxxxxxxx>]

Hi

 

during an update of my test system from Xen 3.0.2. to Xen 3.0.3 i ran into problems with the domU start up: the dom0 kernel was installed from the xensource  i386 rpm  for RedHat 4.4 (kernel 2.6.16.29-xen_3.0.3.0), whereas the domU kernel was derived from the source tarball archive (+ some additional patches).

The domU  kernel did not start-up as it was unintentionally  configured as non-PAE kernel (whereas the binary kernel is configured with PAE support)  

 

Now this  mismatch with the resulting malfunction leads me to the more general question, which global config params of the dom0/domU kernel like SMP/PAE/i386/processor type?  etc. must be chosen in  a certain relation to avoid  a malfunction of the system (thinking about a scenario, where the dom0 kernel comes from a certain distribution, whereas some domU kernels may be derived from some other source).

 

I think a kind of list or matrix of 'known incompatibilities' would be a great help for all users, who cannot make sure that the dom0 and domU kernels come from the same source/config basis.

 

Thanks

 

Werner   

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