S390x Weekly testing

[Frank Ch. Eigler]

David Wilder <dwilder@us.ibm.com> writes:

> Some bad luck this week.  I am hitting what looks like a kprobes bug
> on the 2.6.21-rc3.
> The system is crashing in the stap prologue test.
> [...]
> The crashing PSW (ip) is in the middle of the probed instruction.

This could be the same problem that is occurring on other hosts with
newly relocatable kernel images.  Please cross-check the "stap -vv"
symbol addresses with those in /proc/kallsyms.  If they don't match,
don't use stap until we fix this mismatch.

- FChE