indeed, it seems to be not reproducible on "standard" Sage installs, so far (I also tried Linux x86_64 with Sage 5.1.something)
On Wednesday, 4 July 2012 18:38:05 UTC+8, Volker Braun wrote: > > This looks suspiciously like a bug in ATLAS-devel (3.9.x) that I recently > helped to track down. Is the Ubuntu PPA compiling Sage's own ATLAS library > or is it using a system library? Note that Sage ships ATLAS-stable (3.8.x) > for a good reason. > > > > On Wednesday, July 4, 2012 11:03:07 AM UTC+1, Jan Groenewald wrote: >> >> I get, Ubuntu 12.04, PPA Sage 5.0.1, sag -gdb: >> >> Program received signal SIGSEGV, Segmentation fault. >> [Switching to Thread 0x7fffb2c17700 (LWP 15581)] >> 0x00007fffeb4e0f0d in ATL_dJIK40x40x40TN40x40x0_a1_b1 () >> from /usr/lib/sage/local/lib/libatlas.so >> (gdb) ) bt >> #0 0x00007fffeb4e0f0d in ATL_dJIK40x40x40TN40x40x0_a1_b1 () >> from /usr/lib/sage/local/lib/libatlas.so >> #1 0x00007fffeb550f8f in ATL_dmmIJK2 () >> from /usr/lib/sage/local/lib/libatlas.so >> #2 0x00007fffeb551781 in ATL_dmmIJK () >> from /usr/lib/sage/local/lib/libatlas.so >> #3 0x00007fffeb547be5 in ATL_dgemm () from >> /usr/lib/sage/local/lib/libatlas.so >> #4 0x00007fffeb97516d in ATL_dptgemm0 () >> from /usr/lib/sage/local/lib/libatlas.so >> #5 0x00007ffff77ece9a in start_thread () >> from /lib/x86_64-linux-gnu/libpthread.so.0 >> #6 0x00007ffff6e194bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 >> #7 0x0000000000000000 in ?? () >> (gdb) >> >> 0 jan@muizenberg:/var/autofs/misc/home/jan/t$dmesg |tail -4 >> [16092.553653] do_general_protection: 27 callbacks suppressed >> [16092.553657] python[11201] general protection ip:7feb5b24cf0d >> sp:7feb42679b38 error:0 in libatlas.so[7feb5b1e6000+542000] >> [16171.220888] python[13548] general protection ip:7f9df58a7f0d >> sp:7f9dc7ff3b38 error:0 in libatlas.so[7f9df5841000+542000] >> [16233.702079] python[14560] general protection ip:7f8363b90f0d >> sp:7f832b2c6b38 error:0 in libatlas.so[7f8363b2a000+542000] >> 0 jan@muizenberg:/var/autofs/misc/home/jan/t$egrep 'name|flags' >> /proc/cpuinfo |head -2 >> model name : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz >> 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 nopl aperfmperf pni dtes64 >> monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm >> dts tpr_shadow vnmi flexpriority >> 0 jan@muizenberg:/var/autofs/misc/home/jan/t$ >> >> >> BTW, <Googling ATL_dJIK40x40x40TN40x40x0_a1_b1 () leads to (I think >> unrelated?) >> http://trac.sagemath.org/sage_trac/ticket/11581 >> >> Regards, >> Jan >> >> >> -- >> .~. >> /V\ Jan Groenewald >> /( )\ www.aims.ac.za >> ^^-^^ >> >> -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
