On Monday, 15 October 2012 14:11:17 UTC+8, Georgi Guninski wrote: > > Here is some debug info. > (if i change 44 to 43 don't crash). > > Searching for the top of stack returns this: > http://projects.scipy.org/scipy/ticket/1611 > interp1d <http://projects.scipy.org/scipy/ticket/1611interp1d> gives a > Segmentation fault when 1. using kind='cubic' and if the original data-set > is greater than 119 > > > g=graphs.CycleGraph(44);m=g.adjacency_matrix();m^7 > > Program received signal SIGSEGV, Segmentation fault. > 0x00007fffec15dd4d in ATL_dupMBmm0_8_0_b0 () > from > /opt/sage/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/local/lib/libatlas.so > > > (gdb) x/i $pc > => 0x7fffec15dd4d <ATL_dupMBmm0_8_0_b0+13>: ldmxcsr -0x4(%rsp) > (gdb) p/x $rsp > $1 = 0x7fffffffb848 > (gdb) bt > #0 0x00007fffec15dd4d in ATL_dupMBmm0_8_0_b0 () > from > /opt/sage/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/local/lib/libatlas.so > > > #1 0x00007fffec1a8dac in ATL_dIBNBmm () > from > /opt/sage/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/local/lib/libatlas.so > > > #2 0x00007fffec1b2035 in ATL_dmmJIK2 () > from > /opt/sage/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/local/lib/libatlas.so > > > #3 0x00007fffec1b28ea in ATL_dmmJIK () > from > /opt/sage/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/local/lib/libatlas.so > > > #4 0x00007fffec1aa1a5 in ATL_dgemm () > > > (gdb) info reg > rax 0x7fffec15dd40 140737154243904 > rbx 0x2c 44 > rcx 0x4fdad00 83733760 > rdx 0x24 36 > rsi 0x24 36 > rdi 0x8 8 > rbp 0x4fd4a00 0x4fd4a00 > rsp 0x7fffffffb848 0x7fffffffb848 > r8 0x24 36 > r9 0x4fd4a00 83708416 > r10 0x8 8 > r11 0x24 36 > r12 0x4fdad00 83733760 > r13 0x4fd0e80 83693184 > r14 0x8 8 > r15 0x4fd0e80 83693184 > rip 0x7fffec15dd4d 0x7fffec15dd4d <ATL_dupMBmm0_8_0_b0+13> > eflags 0x10206 [ PF IF RF ] > cs 0x33 51 > ss 0x2b 43 > ds 0x0 0 > es 0x0 0 > fs 0x0 0 > > > $grep flags /proc/cpuinfo > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx > lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 > monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm > tpr_shadow vnmi flexpriority >
another issue here is that the Atlas version used in 5.3 is old and obsolete. The new one is here: http://trac.sagemath.org/sage_trac/ticket/10508 -- You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en.
