[Python-modules-team] Bug#677026: python-matplotlib: pylab crashes with "Illegal instruction" error

[Julian Taylor]

On 08.06.2013 04:18, Brandon Coleman wrote:

> I have run into this bug on a 64-bit version of Debian stable and have
> attached the gdb.txt file that you requested from the original bug
> post.   I do not have libatlas3-base installed, let me know how to proceed.
> 
>
0x00007ffff5357220 in dgemm_otcopy_BARCELONA () from /usr/lib/libblas.so.3
#0  0x00007ffff5357220 in dgemm_otcopy_BARCELONA () from /usr/lib/libblas.so.3
#1  0x0000000000000003 in ?? ()
#2  0x0000000000000000 in ?? ()
Dump of assembler code for function dgemm_otcopy_BARCELONA:
   0x00007ffff5357200 <+0>:	push   %r15
   0x00007ffff5357202 <+2>:	push   %r14
   0x00007ffff5357204 <+4>:	push   %r13
   0x00007ffff5357206 <+6>:	push   %r12
   0x00007ffff5357208 <+8>:	push   %rbp
   0x00007ffff5357209 <+9>:	push   %rbx
   0x00007ffff535720a <+10>:	mov    %rsi,%rax
   0x00007ffff535720d <+13>:	mov    %rsi,%rbx
   0x00007ffff5357210 <+16>:	and    $0xfffffffffffffffc,%rax
   0x00007ffff5357214 <+20>:	and    $0xfffffffffffffffe,%rbx
   0x00007ffff5357218 <+24>:	imul   %rdi,%rax
   0x00007ffff535721c <+28>:	imul   %rdi,%rbx
=> 0x00007ffff5357220 <+32>:	femms  



you hit https://bugs.launchpad.net/ubuntu/+source/openblas/+bug/1122030

please update your openblas package to at least 0.2.6 or change to atlas or netlib blas:

apt-get install libatlas3-base
update-alternatives --set libblas.so.3 /usr/lib/atlas-base/atlas/libblas.so.3