sysudengle / rstm Goto Github PK
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License: Other
Automatically exported from code.google.com/p/rstm
License: Other
What steps will reproduce the problem?
1. Compile and build a 32-bit or 64-bit target with libitm2stm enabled
2. Run TreeBenchSHIM with 7 threads
Original issue reported on code.google.com by [email protected]
on 9 Aug 2011 at 1:34
What steps will reproduce the problem?
1. Perform a __cancel from a nested transaction.
What is the expected output?
Execution as-if the nested transaction had canceled.
What do you see instead?
Unpredictable results leading to failures.
Workaround?
None at the moment. `libstm` does not support closed nested transactions and
thus we cannot support nested __cancel operations. We /do/ support
__cancel_outer operations.
Please use labels and text to provide additional information.
Original issue reported on code.google.com by [email protected]
on 11 Jul 2011 at 5:05
What steps will reproduce the problem?
1. Perform a transaction that privatizes some locations, and then munmap the
privatized locations non-transactionally.
2. Concurrently execute a speculative transaction that conditionally
dereferences said locations.
3. Run for a "long time" time.
What is the expected output?
Results consistent with single-lock semantics.
What do you see instead?
Segmentation faults from the speculative transactions due to privatization
safety violations.
Workaround?
Perform all munmap operations inside [[relaxed]] transactions.
Original issue reported on code.google.com by [email protected]
on 11 Jul 2011 at 5:02
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