Ubuntu versions starting with Lucid (10.04 LTS) have mpich2, so I'm
closing this bug.
** Changed in: mpich (Ubuntu)
Status: New = Invalid
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https://bugs.launchpad.net/bugs/231062
The bug does not affect lucid.
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Segmentation fault while sending large arrays
https://bugs.launchpad.net/bugs/231062
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One possible solution is to split arrays in small bits, e.g. only 1000 or 1
elements being sent/received, and catenate messages to rebuild original array.
I attach example implementations for Reduce, Send and Recv calls (file:
mpi_split-blocks.txt).
** Attachment added:
You can't be serious in recommending to change user code, just to cope with a
bug in Ubuntu's build of MPICH.
Please rebuild this package from source. There is likely just a 32bit vs 64bit
issue in some header that
broke the build.
This is a bug in Debian/Ubuntu packaging, building the
Upstream Debian bug that is likely the same issue:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498213
** Bug watch added: Debian Bug tracker #498213
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498213
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Segmentation fault while sending large arrays
** Also affects: mpich (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498213
Importance: Unknown
Status: Unknown
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Segmentation fault while sending large arrays
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** Changed in: mpich (Debian)
Status: Unknown = New
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Segmentation fault while sending large arrays
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Isn't anybody able to fix this? That bug is *very* annoying!
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Segmentation fault while sending large arrays
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I think this library is the correct package that causes the bug. Also
confirmed here on several hardy machines, also appears in debian
testing.
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Segmentation fault while sending large arrays
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Hi !
I have this bug also on a 64bit system.
However the test code works on a 32-bit system.
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Segmentation fault while sending large arrays
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** Attachment added: test.c
http://launchpadlibrarian.net/14558519/test.c
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Segmentation fault while sending large arrays
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Sorry, I attached the wrong file the last time. With this post you find
the right one
** Attachment added: test.c
http://launchpadlibrarian.net/14558881/test.c
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Segmentation fault while sending large arrays
https://bugs.launchpad.net/bugs/231062
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