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[#10800] _handle_pending_node_data_requests is racy

Date:
2010-07-30 08:09
Priority:
3
State:
Open
Submitted by:
Nathalie Furmento (nfurmento)
Assigned to:
Nobody (None)
Hardware:
None
Product:
None
Operating System:
None
Component:
None
Version:
None
Severity:
None
Resolution:
None
 
URL:
Summary:
_handle_pending_node_data_requests is racy

Detailed description
Possible data race during write of size 8 at 0x5080fc0 by thread #6

at 0x4E48DE3: _handle_pending_node_data_requests (data_request.c:376)
by 0x4E48FFA: _starpu_handle_pending_node_data_requests (data_request.c:420)
by 0x4E49099: _starpu_datawizard_progress (progress.c:25)
by 0x4E5ACFF: _starpu_cpu_worker (driver_cpu.c:142)
by 0x4C276C2: mythread_wrapper (hg_intercepts.c:201)
by 0xA1927A9: start_thread (pthread_create.c:300)
by 0xA47359C: clone (clone.S:112)
This conflicts with a previous read of size 8 by thread #8
at 0x4E49056: _starpu_check_that_no_data_request_exists (data_request.c:432)
by 0x4E39039: _starpu_worker_can_block (workers.c:383)
by 0x4E5AD39: _starpu_cpu_worker (driver_cpu.c:157)
by 0x4C276C2: mythread_wrapper (hg_intercepts.c:201)
by 0xA1927A9: start_thread (pthread_create.c:300)
by 0xA47359C: clone (clone.S:112)

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