Ubuntu
octave package

in octave chol() does not return

Bug #1882082 reported by Andreas Stahel on 2020-06-04

This bug report is a duplicate of: Bug #1860601: [SRU] openblas: -Wl,-Bsymbolic-functions should be stripped from LDFLAGS. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	octave (Ubuntu)	New	Undecided	Unassigned

Bug Description

on Xubuntu 20.04 octave is installed. Then running
=============
n = 200;
a = 10*speye (n) + sparse (1:n,ceil ([1:n]/2),1,n,n) + ...
sparse (ceil ([1:n]/2),1:n,1,n,n);
r1 = chol (a);
==============
leads to octave not returning to the prompt any more and two threads using 100% CPU
The system is AMD Ryzen 3590 based

Revision history for this message

Mike Miller (mtmiller) wrote on 2020-06-04:

Thanks for the bug report, this is another symptom and duplicate of bug #1860601. As a workaround you can remove libopenblas0-pthread or configure the alternatives system to use another BLAS library.