Hi Ankit,
Could you confirm for us what files are in your install directory
(especially in bin and lib)?
Also, are you able to run GDB on the core dump to see the stack?
Or alternatively, you could simply try:
gdb --args dmtcp_restart ckpt_*.dmtcp
(gdb) b execvp
(gdb) r
(gdb) b main
(gdb) c
[ Not all those gdb commands are necessary, but I like to go slow and
check each step. ]
Finally, if you can set this up in a VM or on some outside machine where
we could get an account, then we'd be happy to login and check directly
what is happening.
Best wishes,
- Gene
On Thu, Apr 09, 2015 at 04:00:08PM +0530, Ankit Garg wrote:
> Hi,
> I followed the instructions at
> https://github.com/dmtcp/dmtcp/blob/master/doc/multi-arch.txt to build
> the package for multi architecture . Now I am trying to
> checkpoint/restart a 32-bit binary using the same package. On Restart,
> it crashes with the following error.
>
> % g++ test.cxx -m32
> % dmtcp_launch ./a.out
>
> Took checkpoint from the shell where dmtcp_coordinator is invoked
>
> then
>
> % dmtcp_restart ckpt*
>
>
> [26734] mtcp_restart.c:607 unmap_memory_areas_and_restore_vdso:
> ***WARNING: munmap(0xffffe000, 4096) failed: 22
> Segmentation fault (core dumped)
>
>
> Can anyone help on this. I am using latest release pulled from git.
>
>
> Regards
> Ankit
>
>
>
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