On Sat, Jun 15, 2013 at 1:15 PM, Julian Taylor < [email protected]> wrote:
> On 15.06.2013 21:12, Charles R Harris wrote: > > > > > > On Sat, Jun 15, 2013 at 9:50 AM, Warren Weckesser > > <[email protected] <mailto:[email protected]>> wrote: > > > > > > On Sat, Jun 15, 2013 at 11:43 AM, Warren Weckesser > > <[email protected] <mailto:[email protected]>> > wrote: > > > > I'm getting a seg. fault in master when I run the tests. I'm on > > Ubuntu 12.04 64 bit, with Python 3.3.2 (64 bits): > > > > $ python3 -c "import numpy as np; np.test('full')" > > Running unit tests for numpy > > NumPy version 1.8.0.dev-fa5bc1c > > NumPy is installed in > > /home/warren/local_py332/lib/python3.3/site-packages/numpy > > Python version 3.3.2 (default, Jun 14 2013, 12:12:22) [GCC 4.6.3] > > nose version 1.3.0 > > > .............................S.........................................................................................................................................................S.......................................................................................................................................................S.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... > ......... > > .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................K............................................................................................................................................................................................SSS. > ......... > > .......................................................................................K.....................................................................................................................................................................................Segmentation > > fault > > > > The seg. fault is occurring in ma/tests/test_mrecords.py: > > > > $ nosetests test_mrecords.py > > .Segmentation fault > > > > More info: > > > > $ python3 > > Python 3.3.2 (default, Jun 14 2013, 12:12:22) > > [GCC 4.6.3] on linux > > Type "help", "copyright", "credits" or "license" for more > > information. > > >>> import numpy as np > > >>> np.show_config() > > atlas_threads_info: > > library_dirs = ['/usr/lib/atlas-base/atlas', > > '/usr/lib/atlas-base'] > > include_dirs = ['/usr/include/atlas'] > > language = f77 > > libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas'] > > define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')] > > atlas_blas_threads_info: > > library_dirs = ['/usr/lib/atlas-base'] > > include_dirs = ['/usr/include/atlas'] > > language = c > > libraries = ['ptf77blas', 'ptcblas', 'atlas'] > > define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')] > > mkl_info: > > NOT AVAILABLE > > lapack_opt_info: > > library_dirs = ['/usr/lib/atlas-base/atlas', > > '/usr/lib/atlas-base'] > > include_dirs = ['/usr/include/atlas'] > > language = f77 > > libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas'] > > define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')] > > blas_opt_info: > > library_dirs = ['/usr/lib/atlas-base'] > > include_dirs = ['/usr/include/atlas'] > > language = c > > libraries = ['ptf77blas', 'ptcblas', 'atlas'] > > define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')] > > lapack_mkl_info: > > NOT AVAILABLE > > blas_mkl_info: > > NOT AVAILABLE > > >>> > > > > gdb: > > > > $ gdb python3 > > GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 > > Copyright (C) 2012 Free Software Foundation, Inc. > > License GPLv3+: GNU GPL version 3 or later > > <http://gnu.org/licenses/gpl.html> > > This is free software: you are free to change and redistribute > it. > > There is NO WARRANTY, to the extent permitted by law. Type > > "show copying" > > and "show warranty" for details. > > This GDB was configured as "x86_64-linux-gnu". > > For bug reporting instructions, please see: > > <http://bugs.launchpad.net/gdb-linaro/>... > > Reading symbols from /home/warren/local_py332/bin/python3...done. > > (gdb) run test_mrecords.py > > Starting program: /home/warren/local_py332/bin/python3 > > test_mrecords.py > > [Thread debugging using libthread_db enabled] > > Using host libthread_db library > > "/lib/x86_64-linux-gnu/libthread_db.so.1". > > . > > Program received signal SIGSEGV, Segmentation fault. > > 0x00007ffff5f080a4 in > > _aligned_strided_to_contig_size8_srcstride0 (dst=<optimized out>, > > dst_stride=<optimized out>, src=<optimized out>, > > __NPY_UNUSED_TAGGEDsrc_stride=<optimized out>, > > N=<optimized out>, > > __NPY_UNUSED_TAGGEDsrc_itemsize=<optimized out>, > > __NPY_UNUSED_TAGGEDdata=0x0) > > at numpy/core/src/multiarray/lowlevel_strided_loops.c.src:190 > > 190 *((@type@ *)dst) = temp; > > (gdb) > > > > > > > > > > Is this repeatable? Just asking as I don't see that here with gcc 4.7.2. > > Looks like Julian's changes to lowlevel_strided_loops may be responsible. > > > > Chuck > > > > I can't reproduce it on ubuntu 12.04 with python 3.2 (don't have 3.3.2) > the changes made are very minimal, from looking at them again I don't > see how they could cause this (especially on a x86 platform). > > @warren, can you please bisect the commit causing this? > Also, 32 or 64 bit? Intel hardware? Clean install? Works here with python 3.3.0. Chuck
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