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--- admin:debuggingcrash [2018/10/03 17:06] – created veera
+++ admin:debuggingcrash [2018/10/03 18:09] – veera
@@ Line 5: / Line 5: @@
 ===== Where to look =====
-The following four pieces of information will be needed :
+If you find Trisul Probe has crashed, you can collect the following information before restarting and see if you find some clues.
   - Trisul probe log files
   - Version number of Trisul Probe
@@ Line 12: / Line 13: @@
   - Some information about the frequency of crashes
+==== Log files ====
+The log files on the trisul probe are stored under ''/usr/local/var/log/trisul-probe/domain0/probe0/context0''  The latest ''ns-xxx.log'' contains the most recent logs before the crash. You can also use the helper bash aliases :
+<code bash>
+source /usr/local/share/trisul-probe/trisbashrc
+# to change to probe log dir
+cd.l
+# to tailf probe log file
+tailf.ns
+# to open the CLI
+tp
+</code>
+==== dmesg : view messages from the kernel ====
+Sometimes useful clues can be found in the kernel message log.  For example, when trisul is stopped by an OOM - Out of Memory killer.  To view dmesg output
+<code bash>
+# to dump the kernel message log
+dmesg -T
+# to view trisul messages
+dmesg -T | grep trisul
+</code>
+==== Software versions ====
+To get probe version  ''trisul --version''
+To get platform version ''uname -a''
+To get installed packages on probe
+<code bash>
+# on ubuntu
+dpkg -l | grep trisul
+# on centos
+rpm -qa | grep trisul
+</code>