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Topic review - Bug in memory-management?
Author Message
malex
  Post subject:  Re: Bug in memory-management?  Reply with quote
Dear Guest,

1. could you please try doing the same with the latest Singular?
2. did you build Singular from sources?
3. can you always reproduce this error?
4. could you please send us a simplest possible Singular code that reproduces this error?

Thanks in advance,
O.
Post Posted: Thu Nov 11, 2010 1:21 pm
Guest
  Post subject:  Bug in memory-management?  Reply with quote
Hi there,

I'm doing some comutations using Singular 3-1-1 on Debian and get a strange error as follows:
Now I'm wondering if I'm doing something wrong or is this a bug in Singular?

Thanks in advance!

The message reads as follows:

Singular: malloc.c:3074: sYSMALLOc: Assertion `(old_top == (((mbinptr) (( ) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk ) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)(((( in_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned d_end & pagemask) == 0)' failed.
Singular : signal 6 (v: 3110/2010030319):
current line:>>intmat Q = transpose(P);<<
Segment fault/Bus error occurred at 978621 because of 246 (r:1289468664)
please inform the authors
trying to restart...
Post Posted: Thu Nov 11, 2010 11:59 am


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