analyze linux crash dump


 
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# 1  
Old 06-28-2010
analyze linux crash dump

Can anybody let me know the steps how can I produce a crash dump and then analyze it?
# 2  
Old 06-28-2010
1. compile the source with the debug switch on gcc -g -o myprog myprog.c
2. To force a crash run your program, switch to another process , then kill -s SEGV [pid]
where pid == the process id of the running program
3. get into gdb
Code:
gdb myprog core
> ba

ba is backtrace which shows you the contents of the stack at the time the program crashed.
# 3  
Old 06-28-2010
thanks jim for the reply
I exactly do the same from my code
we compile the exe using the -g gdb option and then we fire killall using system() function from some function
this leads to a system crash and we get a stack trace

Actually I am a windows guy and just started working on linux.
In windows we get a crash dump file with .dmp extension which we open using a windbg and then analyze the dump

So I wanted to know to create such a crash dump file in linux and the open a crash dump and analyze it?
# 4  
Old 06-28-2010
gdb myprog core

core is the dmp file in unix.
# 5  
Old 06-28-2010
ok thanks
 
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