On Mon, Jul 12, 2010 at 10:35:25AM +0530, ravi shetye wrote:
> Thanks Olaf, there has been some progress because of your last reply
> however now i have another issue.
>
> on machine1 i ran
> hosts = ["machine1","machine2"]
> sockets = connect(hosts)
>
> sockets =
>
> 0 0 0
> 6 5 1234
>
> however on machine2 on which i had run the command octave
> /usr/local/share/octave/packages/parallel-2.0.1/server.m ,
> crashes with the following error message and trace
>
>
> *** buffer overflow detected ***: octave terminated
> ======= Backtrace: =========
> /lib/libc.so.6(__fortify_fail+0x37)[0x7fd281f3d1a7]
> /lib/libc.so.6(+0xfe060)[0x7fd281f3c060]
> /lib/libc.so.6(+0xfd4c9)[0x7fd281f3b4c9]
> /lib/libc.so.6(_IO_default_xsputn+0xcc)[0x7fd281eb3d1c]
> /lib/libc.so.6(_IO_vfprintf+0xf3e)[0x7fd281e842de]
> /lib/libc.so.6(__vsprintf_chk+0x99)[0x7fd281f3b569]
> /lib/libc.so.6(__sprintf_chk+0x7f)[0x7fd281f3b4af]
> /usr/local/libexec/octave/packages/parallel-2.0.1/x86_64-unknown-linux-gnu-api-v37/pserver.oct(_Z8FpserverRK17octave_value_listi+0xdbb)[0x7fd27e99494b]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN14octave_builtin17do_multi_index_opEiRK17octave_value_list+0x276)[0x7fd284e7f486]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN12octave_value17do_multi_index_opEiRK17octave_value_list+0xd)[0x7fd284e2b27d]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN15tree_identifier6rvalueEi+0x636)[0x7fd284f512f6]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN15tree_identifier7rvalue1Ei+0x5f)[0x7fd284f5048f]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN14tree_evaluator15visit_statementER14tree_statement+0x16e)[0x7fd284f47bce]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN14tree_evaluator20visit_statement_listER19tree_statement_list+0x58)[0x7fd284f44b68]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_ZN18octave_user_script17do_multi_index_opEiRK17octave_value_list+0x15c)[0x7fd284e8455c]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(_Z11source_fileRKSsS0_bbS0_+0x1b0)[0x7fd284d1ce30]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(+0x4d18aa)[0x7fd284d078aa]
> /usr/local/lib/octave-3.2.4/liboctinterp.so(octave_main+0xe2f)[0x7fd284d093df]
> /lib/libc.so.6(__libc_start_main+0xfd)[0x7fd281e5cc4d]
> octave[0x400749]
I can't reproduce this (also Octave-3.2.4):
(started Octave with server.m on local machine)
afterwards, started an Octave session:
octave:1> hosts = ["localhost"; "localhost"];
octave:2> sockets = connect (hosts)
sockets =
0 0 0
5 3 1234
octave:3> reval ("send (sum ([1:50]), sockets(1, :))", sockets(2, :))
octave:4> recv (sockets (2, :))
ans = 1275
octave:5>
And there were no crashes.
Olaf
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