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registration error (rc -84)


Hi,

I get this error:
WARNING: probe kernel.function("sock_sendmsg@net/socket.c:623")
(address 0xffffffff81555e40) registration error (rc -84)

from the below info, it looks like the probe point address is wrong
but I can't figure out why...


==== INFO ====
Machine:
Linux Centos7ESX 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
CentOS Linux release 7.3.1611 (Core)


Systemtap translator/driver (version 3.1/0.166/0.152, non-git sources)
Copyright (C) 2005-2017 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
tested kernel versions: 2.6.18 ... 4.10-rc8
enabled features: PYTHON3 LIBXML2 NLS
Created temporary directory "/tmp/staprlOfZj"
Session arch: x86_64 release: 3.10.0-514.26.2.el7.x86_64
Parsed kernel "/lib/modules/3.10.0-514.26.2.el7.x86_64/build/.config",
containing 3800 tuples
Parsed kernel "/lib/modules/3.10.0-514.26.2.el7.x86_64/build/Module.symvers",
containing 7183 vmlinux exports
Parsed kernel "/lib/modules/3.10.0-514.26.2.el7.x86_64/build/System.map",
containing 34509 symbols


$> cat /boot/System.map-3.10.0-514.26.2.el7.x86_64 | grep sock_sendmsg
ffffffff81555f40 T sock_sendmsg

$> cat /lib/modules/3.10.0-514.26.2.el7.x86_64/build/System.map | grep
sock_sendmsg
ffffffff81555f40 T sock_sendmsg


$> cat /proc/kallsyms | grep sock_sendmsg
ffffffff81555f40 T sock_sendmsg
====================


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