Public bug reported:
I am using Ubuntu 11.04 with libblas3gf 1.2-8.
In Octave, the following code:
eig( rand( 3 ) )
causes crash with message "Illegal instruction". Expected behaviour: it should
calculate eigenvalues of a random matrix.
gdb shows that libblas crashed:
===
Program received signal SIGILL, Illegal instruction.
0x0244890c in ATL_diamax_xp1yp0aXbX () from /usr/lib/libblas.so.3gf
(gdb) where
#0 0x0244890c in ATL_diamax_xp1yp0aXbX () from /usr/lib/libblas.so.3gf
#1 0x00000000 in ?? ()
===
My processor has no SSE2 support: (lines from /proc/cpuinfo)
model name : AMD Athlon(tm) XP 2500+
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow up
** Affects: blas (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/789957
Title:
"Illegal instruction" crash on processors without SSE2
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