Re: How to debug a d-rats coredump
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David,
It appears from gdb that you're running a "stripped" version of the d-rats executable. If you want to see symbols with the stack frames, you'll need to run a version of d-rats with symbols that haven't been stripped.
Wish I could give you better news about debugging that particular crash...
-Dave
On Thu, Jun 11, 2020 at 11:14 AM David Ranch < dstar@...> wrote:
Hello Everyone,
I've been successfully playing around with D-RATS v0.3.9 beta 3 on
Centos 6.10 and I left the program running over night and found it
crashed. The last thing I see on the terminal screen is:
--
Chat????? : Got chat frame: DDT2+: 0:1:5 DL0NOT-H->CQCQCQ (2QRA
DL0NOT WinMor/ALE Station - QTH Karben JO40jf QRV]...[55])??? ?
Sessionmgr: Received block 0:5 for session
`chat'????????????????????????????????????????????????????????????????????????????
?
Transport : Got a block: DDT2+: 0:1:5 ED2YAV->CQCQCQ (2Online
(D-RATS)...[16])??????????????????????????????????????????????? ?
Chat????? : Got chat frame: DDT2+: 0:1:5 ED2YAV->CQCQCQ
(2Online
(D-RATS)...[16])???????????????????????????????????????????? ?
Sessionmgr: Received block 0:5 for session
`chat'????????????????????????????????????????????????????????????????????????????
?
Transport : Got a block: DDT2+: 0:1:5 KS2ARR-C->CQCQCQ (1Online
(D-RATS)...[16])????????????????????????????????????????????? ?
Segmentation fault (core dumped)?
--
Here are the various versions of the program's dependencies
installed on this machine:
?? python-2.6.6-68.el6_10.x86_64
?? pygtk2-2.24.0-1.el6.x86_64
?? python-six-1.9.0-2.el6.noarch
?? libxml2-python-2.7.6-21.el6_8.1.x86_64
?? pygtk2-libglade-2.24.0-1.el6.x86_64
?? libglade2-2.6.4-3.1.el6.x86_64
?? python-serial-2.4-6.1.noarch
?? libxslt-1.1.26-2.el6_3.1.x86_64
I tried to run "gdb -c core.24111 d-rats.py" but nothing useful
came from the backtrace:
--
Core was generated by `/usr/bin/python
./d-rats.py'.??????????????????????????????????????????????????????????????????????????
Program terminated with signal 11, Segmentation
fault.????????????????????????????????????????????????????????????????????????
#0? 0x0000003da8c44c50 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
(gdb)
bt??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
#0? 0x0000003da8c44c50 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#1? 0x000000000247d330 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#2? 0x00000033b16270eb in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#3? 0x0000000001bbf990 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#4? 0x00000033b16275fe in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#5? 0x000000000247d390 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#6? 0x0000000002430a20 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#7? 0x00000000021dce20 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#8? 0x000000000247d390 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
#9? 0x0000000000000000 in ??
()???????????????????????????????????????????????????????????????????????????????????????????????
(gdb) quit
--
Any recommendations how to provide some useful information here to
figure out what happened?
--David
KI6ZHD
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Dave Slotter, W3DJS