[Numpy-discussion] Numpy intermittent seg fault

[Antoine Pitrou]

Hi,

On Fri, 11 Dec 2015 10:05:59 +1000
Jacopo Sabbatini <jacopo.sabbatini at roames.com.au> wrote:
> 
> I'm experiencing random segmentation faults from numpy. I have generated a
> core dumped and extracted a stack trace, the following:
> 
> #0  0x00007f3a8d921d5d in getenv () from /lib64/libc.so.6
> #1  0x00007f3a843bde21 in blas_set_parameter () from
> /opt/apps/sidescananalysis-9.7.1-42-gdd3e068+dev/lib/python2.7/site-packages/numpy/core/../../../../libopenblas.so.0
> #2  0x00007f3a843bcd91 in blas_memory_alloc () from
> /opt/apps/sidescananalysis-9.7.1-42-gdd3e068+dev/lib/python2.7/site-packages/numpy/core/../../../../libopenblas.so.0
> #3  0x00007f3a843bd4e5 in blas_thread_server () from
> /opt/apps/sidescananalysis-9.7.1-42-gdd3e068+dev/lib/python2.7/site-packages/numpy/core/../../../../libopenblas.so.0
> #4  0x00007f3a8e09ff18 in start_thread () from /lib64/libpthread.so.0
> #5  0x00007f3a8d9ceb2d in clone () from /lib64/libc.so.6
> 
> I have experience the segfault from several code paths but they all have
> the same stack trace.
> 
> I use conda to run python and numpy. The dump of the packages version is:

In addition to openblas, you should also submit a bug to Anaconda so
that they know of problems with that particular openblas version:
https://github.com/ContinuumIO/anaconda-issues

Regards

Antoine.