[Scipy-tickets] [SciPy] #1513: test_singular (test_linsolve.TestLinsolve) ... Segmentation fault

SciPy Trac scipy-tickets@scipy....
Mon Sep 12 06:59:39 CDT 2011


#1513: test_singular (test_linsolve.TestLinsolve) ... Segmentation fault
-------------------------------------+--------------------------------------
 Reporter:  samuel                   |       Owner:  somebody   
     Type:  defect                   |      Status:  new        
 Priority:  normal                   |   Milestone:  Unscheduled
Component:  scipy.linalg             |     Version:  0.9.0      
 Keywords:  segfault, linux, gentoo  |  
-------------------------------------+--------------------------------------
Changes (by samuel):

  * keywords:  segfault, linux => segfault, linux, gentoo


Comment:

 So I have a stack trace with gdb (bit python/scipy was compiled without
 debug information, it seems).

 I'll ask the admin to switch to the latest 10.0 dev branch.

 Does this help?


 {{{
 (gdb) run
 Starting program: /usr/bin/python -c import\ scipy\;\ scipy.test\(\)
 process 25285 is executing new program: /usr/bin/python2.7
 [Thread debugging using libthread_db enabled]
 Running unit tests for scipy
 NumPy version 1.6.1
 NumPy is installed in /usr/lib64/python2.7/site-packages/numpy
 SciPy version 0.9.0
 SciPy is installed in /usr/lib64/python2.7/site-packages/scipy
 Python version 2.7.2 (default, Sep  7 2011, 17:08:51) [GCC 4.5.3]
 nose version 1.0.0
 .............................................................................................................................................................................................................K......................................................................................................................K..K....../usr/lib64/python2.7
 /site-packages/numpy/core/numeric.py:1920: RuntimeWarning: invalid value
 encountered in absolute
   return all(less_equal(absolute(x-y), atol + rtol * absolute(y)))
 ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSS......SSSSSS......SSSS......................................................................................................................[New
 Thread 0x7fffe2c85700 (LWP 25306)]
 [New Thread 0x7fffe2484700 (LWP 25307)]
 [New Thread 0x7fffe1c83700 (LWP 25309)]
 [New Thread 0x7fffe1482700 (LWP 25308)]
 [Thread 0x7fffe1c83700 (LWP 25309) exited]
 [Thread 0x7fffe1482700 (LWP 25308) exited]
 [Thread 0x7fffe2484700 (LWP 25307) exited]
 [Thread 0x7fffe2c85700 (LWP 25306) exited]
 [New Thread 0x7fffe2c85700 (LWP 25310)]
 [New Thread 0x7fffe2484700 (LWP 25311)]
 [Thread 0x7fffe2484700 (LWP 25311) exited]
 [Thread 0x7fffe2c85700 (LWP 25310) exited]
 [New Thread 0x7fffe2c85700 (LWP 25312)]
 [New Thread 0x7fffe2484700 (LWP 25313)]
 [New Thread 0x7fffe1482700 (LWP 25314)]
 [New Thread 0x7fffe1c83700 (LWP 25315)]
 [Thread 0x7fffe1c83700 (LWP 25315) exited]
 [Thread 0x7fffe1482700 (LWP 25314) exited]
 [Thread 0x7fffe2484700 (LWP 25313) exited]
 [Thread 0x7fffe2c85700 (LWP 25312) exited]
 [New Thread 0x7fffe2c85700 (LWP 25316)]
 [New Thread 0x7fffe2484700 (LWP 25317)]
 [Thread 0x7fffe2484700 (LWP 25317) exited]
 [Thread 0x7fffe2c85700 (LWP 25316) exited]
 .[New Thread 0x7fffe2c85700 (LWP 25318)]
 [New Thread 0x7fffe2484700 (LWP 25319)]
 [New Thread 0x7fffe1c83700 (LWP 25320)]
 [Thread 0x7fffe2484700 (LWP 25319) exited]
 [Thread 0x7fffe1c83700 (LWP 25320) exited]
 [Thread 0x7fffe2c85700 (LWP 25318) exited]
 [New Thread 0x7fffe2c85700 (LWP 25321)]
 [New Thread 0x7fffe2484700 (LWP 25322)]
 [New Thread 0x7fffe1c83700 (LWP 25323)]
 [Thread 0x7fffe2484700 (LWP 25322) exited]
 [Thread 0x7fffe1c83700 (LWP 25323) exited]
 [Thread 0x7fffe2c85700 (LWP 25321) exited]
 .[New Thread 0x7fffe2c85700 (LWP 25324)]
 [New Thread 0x7fffe2484700 (LWP 25325)]
 [Thread 0x7fffe2484700 (LWP 25325) exited]
 [Thread 0x7fffe2c85700 (LWP 25324) exited]
 [New Thread 0x7fffe2c85700 (LWP 25326)]
 [New Thread 0x7fffe2484700 (LWP 25327)]
 [Thread 0x7fffe2484700 (LWP 25327) exited]
 [Thread 0x7fffe2c85700 (LWP 25326) exited]
 ..........................................................................................................................................................K.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................K...........................................SSSSSSSSSSS.
 Program received signal SIGSEGV, Segmentation fault.
 0x00007fffe5b4354e in dpivotL () from /usr/lib64/libsuperlu.so.4
 (gdb)

 }}}

-- 
Ticket URL: <http://projects.scipy.org/scipy/ticket/1513#comment:3>
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