jb12407@lmfdb5:~$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 64 On-line CPU(s) list: 0-63 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 4 NUMA node(s): 8 Vendor ID: AuthenticAMD CPU family: 21 Model: 2 Model name: AMD Opteron(tm) Processor 6380 Stepping: 0 CPU MHz: 2500.065 BogoMIPS: 4999.42 Virtualization: AMD-V L1d cache: 16K L1i cache: 64K L2 cache: 2048K L3 cache: 6144K NUMA node0 CPU(s): 0-7 NUMA node1 CPU(s): 8-15 NUMA node2 CPU(s): 16-23 NUMA node3 CPU(s): 24-31 NUMA node4 CPU(s): 32-39 NUMA node5 CPU(s): 40-47 NUMA node6 CPU(s): 48-55 NUMA node7 CPU(s): 56-63
(Old software...) jb12407@lmfdb5:~$ lsb_release -a LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch Distributor ID: Scientific Description: Scientific Linux release 6.8 (Carbon) Release: 6.8 Codename: Carbon jb12407@lmfdb5:~$ uname -r 2.6.32-573.3.1.el6.x86_64 On Sun, Sep 25, 2016 at 11:03 PM, Dima Pasechnik <dimp...@gmail.com> wrote: > > > On Sunday, September 25, 2016 at 9:33:42 PM UTC, Jonathan Bober wrote: >> >> I'm getting a segfault on the current development branch of sage (see >> below). Is this a known issue and/or effecting anyone else? >> >> This does not happen for me in Sage 7.3, although it does happen if I try >> to go "back in time" with a 'git checkout 7.3' and then rebuild. So just to >> be certain I built a few copies from scratch. >> >> This is from a doctest in src/doc/*/a_tour_of_sage/index.rst, easily >> reproducible. (Notice the * there. I guess Sage separately tests the >> documentation in each language...) >> >> sage: m = random_matrix(RDF,500) >> sage: m.eigenvalues() >> ------------------------------------------------------------------------ >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/cysignals/signals.so(+0x4635)[0x7f6d34da4635] >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/cysignals/signals.so(+0x4685)[0x7f6d34da4685] >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/cysignals/signals.so(+0x7107)[0x7f6d34da7107] >> /lib64/libpthread.so.0[0x30f700f7e0] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> daxpy_k+0x48)[0x7f6d29e9eab8] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0(+ >> 0xc9c3e)[0x7f6d29ca9c3e] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> exec_blas+0xd9)[0x7f6d29e590f9] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> dtrmv_thread_NLU+0x204)[0x7f6d29ca9f34] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> dtrmv_+0x155)[0x7f6d29c67b75] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> dlahr2_+0x451)[0x7f6d2a0eecb1] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> dgehrd_+0x47d)[0x7f6d2a0b6c8d] >> /data/home/jb12407/sources/sage/local/lib/libopenblas.so.0( >> dgeev_+0x430)[0x7f6d2a0b1470] >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/scipy/linalg/_flapack.so(+0x2cde7)[0x7f66808b4de7] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyObject_Call+0x43)[0x7f6d4244aed3] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x388a)[0x7f6d424fd5ba] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(+0x839fc)[0x7f6d4247b9fc] >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/sage/matrix/matrix_double_dense.so(+0x9949)[0x7f6682759949] >> /data/home/jb12407/sources/sage/local/lib/python2.7/site-pac >> kages/sage/matrix/matrix_double_dense.so(+0x5161b)[0x7f66827a161b] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5331)[0x7f6d424ff061] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCode+0x19)[0x7f6d42500789] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x509e)[0x7f6d424fedce] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalFrameEx+0x5654)[0x7f6d424ff384] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCodeEx+0x81c)[0x7f6d4250066c] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyEval_EvalCode+0x19)[0x7f6d42500789] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyRun_FileExFlags+0x8a)[0x7f6d42523e5a] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(PyRun_SimpleFileExFlags+0xd7)[0x7f6d42525207] >> /data/home/jb12407/sources/sage/local/lib/libpython2.7.so.1. >> 0(Py_Main+0xc3e)[0x7f6d4253b70e] >> /lib64/libc.so.6(__libc_start_main+0xfd)[0x30f6c1ed1d] >> python[0x4006f1] >> ------------------------------------------------------------------------ >> Attaching gdb to process id 56935. >> GNU gdb (GDB) Red Hat Enterprise Linux (7.2-90.el6) >> Copyright (C) 2010 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.h >> tml> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >> and "show warranty" for details. >> This GDB was configured as "x86_64-redhat-linux-gnu". >> For bug reporting instructions, please see: >> <http://www.gnu.org/software/gdb/bugs/>. >> (gdb) Hangup detected on fd 0 >> error detected on stdin >> >> Your system GDB is an old version that does not work with pipes >> Install gdb for enhanced tracebacks. >> ------------------------------------------------------------------------ >> Unhandled SIGSEGV: A segmentation fault occurred. >> This probably occurred because a *compiled* module has a bug >> in it and is not properly wrapped with sig_on(), sig_off(). >> Python will now terminate. >> ------------------------------------------------------------------------ >> >> > I guess more details are needed, like CPU type (what does lscpu tell?) > > For me, on i7-6600U CPU @ 2.60GHz, it works: > > sage: m = random_matrix(RDF,500) > sage: e=m.eigenvalues() > sage: len(e) > 500 > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
