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This is related to a bug we saw with the PMI library (https://github.com/dmtcp/dmtcp/commit/a7556cc01bd87c66bb9ebe4def5ca77722e6676d). (In fact, we have seen a related issue with Bionic libc). The res…
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I have reported in Nov of 2020 that dmtcp sometimes hangs with import of numpy in python applications. I have since then found out that dmtcp sometimes hangs with pykdtree, in the python code such as …
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I try to run the simple test case with --enable-logging configure and want some JTRACE log. But it seems like that there exists a deadlock when take checkpoint.
Note that the "1 2" has been printe…
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Hi,
I read the paper “CRAC: Checkpoint-Restart Architecture for CUDA with Streams and UVM” but find the CRAC repo mentioned ( https://github.com/DMTCP-CRAC/CRAC-early-development.git ) not availabl…
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When coming across something like this...
```
7f9ea83e9000-7f9ea83ea000 rw-s 00000000 00:0e 12893 anon_inode:[perf_event]
```
It expects it to be an anonymous mapping if i…
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I am trying to write a plugin which wraps malloc but triggers segment fault in GCC 9.
My system:
```
$ uname -a
Linux ubuntu2004 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:58:30 UTC 2020 x86_64…
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Hi, i'm trying to use dmtcp, I followed the instructions of dmtcp /plugin/batch-queue/job_examples but could not restart the job.
The checkpoint files are generated but when i restart the job get no …
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Hi All,
I'm hopefully initiating a successful context switch to get back to testing DMTCP this morning. I started off with trying 2.4 rc4 on my CentOS 7.1 laptop and noticed a single bug. Certainly n…
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When I try to `configure` then `make` DMTCP 2.5.2 (from the Sourceforge tarball) like so:
```console
$ cd $BLD
$ rm -rf *
$ $SRC/configure --prefix=$PFX --enable-pthread-mutex-wrappers --enable-…
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Dear DMTCP programmers,
I am trying to use dmtcp for checkpointing my HPC application, MPI based, launched using mpirun 2.1.1
I first run a communicator in a dedicated terminal, and then execute…