Description of problem:

Call Trace:
show_trace_log_lvl
show_stack_log_lvl
show_registers
die
do_page_afult
error_code
rcu_process_callbacks
tasklet_action
__do_softirq
do_softirq
Kernel panic - fatal exception in interrupt

2.6.20-1.2990.fc7

Version-Release number of selected component (if applicable):

How reproducible:

100%

Steps to Reproduce:

$ yum install frysk-devel

then either:

$ while true ; do /usr/lib/frysk/fsystest ; done

or:

$ cd /usr/lib/frysk/sys-tests/ && while true ; do ./strace-clone-exec.sh ; done