If you experience the following failure (or not), please report Sage 10.5 with Python 3.10 on Ubuntu jammy
to https://github.com/sagemath/sage/issues/39460 sage: N = matrix(Integers(7), 2, [1,2,3,4]) sage: N [1 2] [3 4] sage: N.rank() ------------------------------------------------------------------------ /sage/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/cysignals/signals.cpython-310-x86_64-linux-gnu.so(+0x93d4)[0x7fffff1923d4] /sage/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/cysignals/signals.cpython-310-x86_64-linux-gnu.so(+0x9496)[0x7fffff192496] /sage/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/cysignals/signals.cpython-310-x86_64-linux-gnu.so(+0xc8b4)[0x7fffff1958b4] /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7fffff49f520] /sage/local/lib/libfflas.so.1(_ZN5FFLAS5fgemvIN6Givaro7ModularIffvEEEENT_11Element_ptrERKS4_NS_15FFLAS_TRANSPOSEEmmNS4_7ElementENS4_16ConstElement_ptrEmSA_mS9_S5_m+0x31)[0x7fffaf403d01] /sage/src/sage/matrix/matrix_modn_dense_float.cpython-310-x86_64-linux-gnu.so(_ZN6FFPACK18PLUQ_basecaseCroutIN6Givaro7ModularIffvEEEEmRKT_N5FFLAS10FFLAS_DIAGEmmNS4_11Element_ptrEmPmSA_+0x244)[0x7fffaf57b9b4] /sage/local/lib/libffpack.so.1(_ZN6FFPACK4RankIN6Givaro7ModularIffvEEEEmRKT_mmNS4_11Element_ptrEm+0x73)[0x7fffaf378dc3] /sage/src/sage/matrix/matrix_modn_dense_float.cpython-310-x86_64-linux-gnu.so(+0x58acb)[0x7fffaf56facb] /sage/src/sage/matrix/matrix_modn_dense_float.cpython-310-x86_64-linux-gnu.so(+0x593ff)[0x7fffaf5703ff] python3(+0x17ec1f)[0x5555556d2c1f] python3(_PyEval_EvalFrameDefault+0x58aa)[0x5555556ceb7a] ... python3(Py_RunMain+0x2be)[0x5555557c902e] python3(Py_BytesMain+0x2d)[0x5555557a2d6d] /lib/x86_64-linux-gnu/libc.so.6(+0x29d90)[0x7fffff486d90] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80)[0x7fffff486e40] python3(_start+0x25)[0x5555557a2c65] ------------------------------------------------------------------------ ... ------------------------------------------------------------------------ Unhandled SIGILL: An illegal instruction 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. ------------------------------------------------------------------------ Illegal instruction -- 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 view this discussion visit https://groups.google.com/d/msgid/sage-devel/22160748-c995-41e4-88af-28771276c6e4n%40googlegroups.com.