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run time error - how to debug?
- From: "Peter Teoh" <htmldeveloper at gmail dot com>
- To: systemtap at sources dot redhat dot com
- Date: Sun, 18 May 2008 10:25:23 +0800
- Subject: run time error - how to debug?
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After an earlier patch for symbols.c in previous email, I run several
stap probes and all encounter the same errors - compilation comples,
insmod ok, and lsmod verified ok, but nothing runs (command was stap
-vvvvvk used for compilation).
Pass 5: starting run.
Running /usr/local/bin/staprun -v -v
/tmp/stapS35EY1/stap_ad3df1525135daf3d6a9f5e4e8dcda2c_14196.ko
staprun:main:237
modpath="/tmp/stapS35EY1/stap_ad3df1525135daf3d6a9f5e4e8dcda2c_14196.ko",
modname="stap_ad3df1525135daf3d6a9f5e4e8dcda2c_14196"
staprun:init_staprun:194 init_staprun
staprun:insert_module:47 inserting module
staprun:insert_module:66 module options: _stp_bufsize=0
Pass 5: run completed in 0usr/0sys/35real ms.
Pass 5: run failed. Try again with more '-v' (verbose) options.
Keeping temporary directory "/tmp/stapS35EY1"
lsmod|grep stap_ad
stap_ad3df1525135daf3d6a9f5e4e8dcda2c_14196 453132 1
Case 2:
Pass 5: starting run.
Running /usr/local/bin/staprun -v -v
/tmp/stap2mffUi/stap_c0c666510da0e3ba8e16cde92214621f_14763.ko
staprun:main:237
modpath="/tmp/stap2mffUi/stap_c0c666510da0e3ba8e16cde92214621f_14763.ko",
modname="stap_c0c666510da0e3ba8e16cde92214621f_14763"
staprun:init_staprun:194 init_staprun
staprun:insert_module:47 inserting module
staprun:insert_module:66 module options: _stp_bufsize=0
Pass 5: run completed in 0usr/0sys/20real ms.
Pass 5: run failed. Try again with more '-v' (verbose) options.
Keeping temporary directory "/tmp/stap2mffUi"
lsmod |grep stap_c0c
stap_c0c666510da0e3ba8e16cde92214621f_14763 448436 1
How do I debug this?
--
Regards,
Peter Teoh