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pdbx example session [segmentation fault]
Cu12:~/mpi 101% pdbx -procs 4 -labelio yes hello_world_tv
pdbx Version 3, Release 2 -- Jan 10 2005 12:24:15
0:reading symbolic information ...
1:reading symbolic information ...
2:reading symbolic information ...
3:reading symbolic information ...
1:[1] stopped in main at line 21 ($t1)
1: 21 MPI_Init(&argc, &argv);
0:[1] stopped in main at line 21 ($t1)
0: 21 MPI_Init(&argc, &argv);
3:[1] stopped in main at line 21 ($t1)
3: 21 MPI_Init(&argc, &argv);
2:[1] stopped in main at line 21 ($t1)
2: 21 MPI_Init(&argc, &argv);
0031-504 Partition loaded ...
pdbx(all) cont
0:Hello world! I'm 0 of 4 on Cu12
2:Hello world! I'm 2 of 4 on Cu12
1:Hello world! I'm 1 of 4 on Cu12
3:Hello world! I'm 3 of 4 on Cu12
1:
1:Segmentation fault in unnamed block $b1 at line 33 ($t1)
1: 33 *f=3.5;
^C
pdbx-subset(all) halt
0029-2108 The following RUNNING task(s): "0 2 3" have been interrupted.
0029-2109 No action taken on task(s): "1", because they have either been stoppedby the debugger, finished executing, or have been unhooked.
0029-2105 The current context contains at least one RUNNING task. When these
RUNNING task(s) reach a breakpoint or complete execution, a pdbx prompt is displayed.
1:
1:
1:
0:
0:Interrupt in _event_sleep at 0xd0057bec ($t2)
0:0xd0057bec (_event_sleep+0x90) 80410014 lwz r2,0x14(r1)
3:
3:Interrupt in _event_sleep at 0xd0057bec ($t2)
3:0xd0057bec (_event_sleep+0x90) 80410014 lwz r2,0x14(r1)
2:
2:Interrupt in _event_sleep at 0xd0057bec ($t2)
2:0xd0057bec (_event_sleep+0x90) 80410014 lwz r2,0x14(r1)
pdbx(all) where
0:_event_sleep(??, ??, ??, ??, ??) at 0xd0057bec
0:sigwait(??, ??) at 0xd005d2d4
0:pm_async_thread(??) at 0xd4dfcbc0
0:_pthread_body(??) at 0xd004d40c
1:unnamed block $b1, line 33 in "hello_world_tv.c"
1:main(argc = 1, argv = 0x2ff2245c, ... = 0x2ff22464, 0x28, 0x2ff22ff8, 0x0, 0x109fa097, 0x5), line 33 in "hello_world_tv.c"
2:_event_sleep(??, ??, ??, ??, ??) at 0xd0057bec
2:sigwait(??, ??) at 0xd005d2d4
2:pm_async_thread(??) at 0xd4dfcbc0
2:_pthread_body(??) at 0xd004d40c
3:_event_sleep(??, ??, ??, ??, ??) at 0xd0057bec
3:sigwait(??, ??) at 0xd005d2d4
3:pm_async_thread(??) at 0xd4dfcbc0
3:_pthread_body(??) at 0xd004d40c
pdbx(all) on 1
pdbx(1) where
1:unnamed block $b1, line 33 in "hello_world_tv.c"
1:main(argc = 1, argv = 0x2ff2245c, ... = 0x2ff22464, 0x28, 0x2ff22ff8, 0x0, 0x109fa097, 0x5), line 33 in "hello_world_tv.c"
pdbx(1) list 25,40
1: 25 MPI_Get_processor_name(name, &len);
1: 26
1: 27 printf ("Hello world! I'm %d of %d on %s\n", rank, size, name);
1: 28
1: 29 if ( (rank ==1) || (rank == 31) )
1: 30 {
1: 31 double *f;
1: 32 f=0;
1: 33 *f=3.5;
1: 34 }
1: 35 MPI_Finalize();
1: 36 exit(0);
1: 37 }
pdbx(1) print f
1:(nil)
pdbx(1) print *f
1:reference through nil pointer
pdbx(1) quit
Cu12:~/mpi 102%
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