[mvapich-discuss] Thread Safety issue in MPI_GET ?

[Jayram Déshpandé]

Hello,

I am running into following a crash in MPIDI_CH3I_Do_passive_target_rma ():

I am running MPI over IP over IB.

Could you shed some light on this .

Regards,
-Jay.



(gdb) t 16

[Switching to thread 16 (Thread 0x7f72887fe950 (LWP 25326))]#0
0x00007f7c77283434 in __lll_lock_wait () from /lib64/libpthread.so.0

(gdb) where

#0  0x00007f7c77283434 in __lll_lock_wait () from /lib64/libpthread.so.0

#1  0x00007f7c7727ecf0 in _L_lock_102 () from /lib64/libpthread.so.0

#2  0x00007f7c7727e5de in pthread_mutex_lock () from /lib64/libpthread.so.0

#3  0x000000000060bad8 in MPIDI_CH3I_Progress ()

#4  0x00007f72887fd3e0 in ?? ()

#5  0x0000000000000000 in ?? ()



gdb) t 15

[Switching to thread 15 (Thread 0x7f7288fff950 (LWP 25325))]#0
0x0000000000648cf1 in MPIDI_CH3I_Do_passive_target_rma ()

gdb) where

#0  0x0000000000648cf1 in MPIDI_CH3I_Do_passive_target_rma ()

#1  0x0000000001c96ea0 in ?? ()

#2  0x000000000060b99a in MPIDI_CH3I_Progress ()

#3  0x000000000064b3ee in MPIDI_Win_unlock ()

#4  0x0000000001c7ad00 in ?? ()

#5  0x0000000001c06a01 in ?? ()

#6  0x0000000001c06c60 in ?? ()

#7  0x00000000004db701 in ~allocator (this=0x0)

    at
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.5.2/../../../../include/c++/4.5.2/bits/allocator.h:109

#8  0x00000000005ffc6e in PMPI_Get ()

#9  0xffffffff4c00010d in ?? ()

#10 0xfffffffffffffbe4 in ?? ()

#11 0x0000000000aaa3e0 in progress_thread_id ()

#12 0x0000000000000001 in ?? ()

#13 0x0000000000000000 in ?? ()


-- 
"Subvert the paradigm." - C.K. Prahlad
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