Hi Yu,
Which version of DMTCP are you using? Could you use
dmtcp-2.4.0-rc2? In that case, the best environment variable
to use will be: DMTCP_RESTART_PAUSE2
DMTCP_RESTART_PAUSE2=1 dmtcp_launch a.out
[ Then create a checkpoint image as usual. ]
./dmtcp_restart_script.sh
[ or: dmtcp_restart ckpt_*.dmtcp ]
It will print to the screen, and give you 15 seconds to
attach to the process using GDB. Let us know if this works
for you.
Best wishes,
- Gene
----- Original Message -----
From: Yu Wang <ambitionw...@gmail.com>
To: dmtcp-forum@lists.sourceforge.net
Sent: Mon, 20 Apr 2015 16:58:45 -0400 (EDT)
Subject: [Dmtcp-forum] MTCP_RESTART_PAUSE issue
Hi,
I have an issue on how to debug the program after the dmtcp restart the
checkpoint. The sample program is attached. I read the Q&A link, which say
that I can set up MTCP_RESTART_PAUSE environment variable to pause the
program and then gdb can attach the process. However, I try several times
and it doesn't work.
Could you give me some help on this?
Thanks in advance.
--
Yu Wang, Ph.D. Candidate
School of Electrical Engineering and Computer Science
University of Ottawa
800 King Edward Ave., Ottawa
K1N 6N5 ON Canada
Email: ambitionw...@gmail.com, ywang...@uottawa.ca
Homepage: https://sites.google.com/site/immanuelyuwang/
<https://sites.google.com/site/ambitionwang277/>
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