On 02/11/11 05:09 PM, CJ wrote:
> Hi Sébastien,
>
> When running Ray(1.6.1), I met a similar problem mentioned in the
> earlier post: http://sourceforge.net/mailarchive/message.php?msg_id=27844916
>
> I tried K-mer=21 / 31, each time has the same error message and it
> stopped after generating one CORE file:
>
> [q27:12717] *** Process received signal ***
> [q27:12717] Signal: Segmentation fault (11)
> [q27:12717] Signal code: Address not mapped (1)
> [q27:12717] Failing at address: 0xaec70
> [q27:12717] [ 0] /lib64/libpthread.so.0() [0x307ea0f490]
> [q27:12717] [ 1] Ray(_ZNK4Read6lengthEv+0) [0x4657e0]
> [q27:12717] [ 2]
> Ray(_ZN16MessageProcessor33call_RAY_MPI_TAG_GET_READ_MARKERSEP7Message+0x9f)
> [0x431d0f]
> [q27:12717] [ 3] Ray(_ZN7Machine10runVanillaEv+0xdf) [0x444e9f]
> [q27:12717] [ 4] Ray(_ZN7Machine5startEv+0xe7d) [0x4477cd]
> [q27:12717] [ 5] Ray(main+0x3a) [0x49eeaa]
> [q27:12717] [ 6] /lib64/libc.so.6(__libc_start_main+0xfd) [0x307de1ec9d]
> [q27:12717] [ 7] Ray() [0x424619]
> [q27:12717] *** End of error message ***
>
> ------
> system setting:
>
> Rank 0: Ray version: 1.6.1
> Rank 0 MAXKMERLENGTH: 32 (KMER_U64_ARRAY_SIZE: 1)
> Rank 0: GNU system (__GNUC__): yes
> Rank 0: Operating System: POSIX (OS_POSIX)
> Rank 0: real-time Operating System (HAVE_CLOCK_GETTIME): no
> Rank 0: Message-Passing Interface implementation: Open-MPI (OMPI_MPI_H) 1.4.3
> Rank 0: Message-Passing Interface standard version: 2.1
> Rank 0: GZIP (HAVE_LIBZ): no
> Rank 0: BZIP2 (HAVE_LIBBZ2): no
> Rank 0: GNU/Linux (__linux__): yes
> Rank 0: assertions (ASSERT): no
> Rank 0: maximum size of a message (MAXIMUM_MESSAGE_SIZE_IN_BYTES): 4000 bytes
> Rank 0: don't align addresses on 8 bytes (FORCE_PACKING): no
>
> Number of MPI ranks: 8
> Ray master MPI rank: 0
> Ray slave MPI ranks: 0-7
>
> ------
>
> What might be the problem? Many thanks!
>
> Best regards,
> CJ
>
Hello,
Can you run the core file in gdb and generate a backtrace ?
usually: gdb Ray coreFile
and then in gdb, you issue a backtrace command.
Also, can you check if it occurs in the last version as well ? (v 1.7)
Sébastien
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