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error inserting module while running sleeptime.stp on maemo platform


Hello,

I tried to run sleeptime.stp script from
http://sourceware.org/systemtap/wiki/ScriptsTools
on maemo platform (diablo version).

Running
      stap -vvv sleeptime.stp

I've got the following

Running /usr/bin/staprun -v -v
/var/tmp/stapqX8ReO/stap_07ac9da65fb9eda7439c65904e2b95
60_12133.ko
staprun:main:249
modpath="/var/tmp/stapqX8ReO/stap_07ac9da65fb9eda7439c65904e2b9560_12133.ko",
modname="stap_07ac9da65fb9eda7439c65904e2b9560_12133"
staprun:init_staprun:207 init_staprun
staprun:insert_module:47 inserting module
staprun:insert_module:66 module options: _stp_bufsize=0
Error inserting module
'/var/tmp/stapqX8ReO/stap_07ac9da65fb9eda7439c65904e2b9560_12133.ko':
Unknown symbol in module
Pass 5: run completed in 10usr/120sys/210real ms.
Pass 5: run failed.  Try again with more '-v' (verbose) options.

dmesg command says:

[ 6783.937500] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol relay_open
[ 6783.937500] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol relay_buf_full
[ 6783.945312] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol unregister_kretprobe
[ 6783.945312] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol relay_close
[ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol relay_flush
[ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol register_kprobe
[ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol register_kretprobe
[ 6783.960937] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol unregister_kprobe
[ 6783.960937] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
symbol relay_file_operations
[ 6827.679687] cx3110x: WARNING prism_softmac_frame_tx_done() returned
an empty frame.

The kernel was compiled with option CONFIG_RELAY=y

I don't understand this error enough good.
Could you please tell me in what direction I should move to get rid of
this error? How serious is the problem?

Kernel version: diablo kernel 2.6.21
Systemtap version: version 0.7.1/0.131

Thanks in advance,
Dmitry Malichenko


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