Hi all, I want to use dmtcp with matlab. I have dmtcp 2.3.1 installed but problems using it with newer releases of matlab. For testing I used a simple script with a counter in a loop which prints its result to the display (like your testprogram dmtcp1).
Using matlab R2012a it seems to work.
I can create checkpoints and the counter is printed to the display.
Restarting from checkpoint continues counting as expected.
But using matlab R2012b and above no output is printed anymore.
I also tried to print to a file but same result.
A checkpoint can be done but is useless in this context.
Is this a known issue?
Or have you an idea what goes wrong here?
Any hint will be appreciated.
Regards
Werner
#-------------------------------------------------------------------------------
Output from dmtcp_coordinator while doing a checkpoint:
[20384] NOTE at dmtcp_coordinator.cpp:1271 in startCheckpoint; REASON='starting
checkpoint,
suspending all nodes'
s.numPeers = 1
[20384] NOTE at dmtcp_coordinator.cpp:1273 in startCheckpoint;
REASON='Incremented Generation'
compId.generation() = 3
[20384] NOTE at dmtcp_coordinator.cpp:615 in updateMinimumState;
REASON='locking all nodes'
[20384] NOTE at dmtcp_coordinator.cpp:621 in updateMinimumState;
REASON='draining all nodes'
[20384] NOTE at dmtcp_coordinator.cpp:627 in updateMinimumState;
REASON='checkpointing all nodes'
[20384] NOTE at dmtcp_coordinator.cpp:641 in updateMinimumState;
REASON='building name service database'
[20384] NOTE at dmtcp_coordinator.cpp:657 in updateMinimumState;
REASON='entertaining queries now'
[20384] NOTE at dmtcp_coordinator.cpp:662 in updateMinimumState;
REASON='refilling all nodes'
[20384] NOTE at dmtcp_coordinator.cpp:693 in updateMinimumState;
REASON='restarting all nodes'
#-------------------------------------------------------------------------------
Output from dmtcp_launch while doing a checkpoint:
[95000] NOTE at writeckpt.cpp:513 in preprocess_special_segments;
REASON='bottom-most page of stack
(page with highest address) was
invisible in /proc/self/maps. It is made visible again now.'
--
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Werner Hack
Universität Ulm
Institut für Nachrichtentechnik
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