[Bug kprobes/7070] New: registration error (rc -22)

["leitao at linux dot vnet dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

I found that when probing functions that are in file
drivers/net/bonding/bond_alb.c, I got a registration error message, but the
probe works as expected: 
Here is an example to clarify it: 

devl4e-rocky-lp2:~/scripts # stap simple.stap 
WARNING: probe
module("bonding").statement("_lock_tx_hashtbl@drivers/net/bonding/bond_alb.c:136")
registration error (rc -22)
Hit
^Cdevl4e-rocky-lp2:~/scripts # cat simple.stap 
probe module("bonding").statement("_lock_tx_hashtbl") {
	printf("Hit\n")
}

Maybe this message shouldn't appear, since the handler is working fine. 
I am on net-next-2.6 branch, using the upstream systemtap version on a ppc64
machine.

-- 
           Summary: registration error (rc -22)
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kprobes
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: leitao at linux dot vnet dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=7070

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