On Wed, Mar 18, 2009 at 4:20 PM, bix...@gmail.com <bix...@gmail.com> wrote: > > Hi, > > After using version 3 for over a year, it finally occured to me I > should upgrade. When trying to start version 3.4 I get: > > ---------------------------------------------------------------------- > | Sage Version 3.4, Release Date: 2009-03-11 | > | Type notebook() for the GUI, and license() for information. | > ---------------------------------------------------------------------- > > ********************************************************************** > WARNING! This Sage install was built on a machine that supports > instructions that are not available on this computer. Sage will > likely fail with ILLEGAL INSTRUCTION errors! The following processor > flags were on the build machine but are not on this computer: > > sse4_1 > > Email http://groups.google.com/group/sage-support for help. > To remove this warning and make Sage start, just delete > /home/bixbyr/Desktop/sage-3.4-linux-Ubuntu_8.10-i686-Linux/local/ > lib/sage-flags.txt > ********************************************************************** > > I tried removing this file to see if sage will run correctly, it > doesn't seem to. For a quick stress test I did > sage: prime_pi(10^10) ... and got back > /home/bixbyr/Desktop/sage-3.4-linux-Ubuntu_8.10-i686-Linux/local/bin/ > sage-sage: line 197: 8689 Segmentation fault sage-ipython "$@" - > i > > It returns correctly for prime_pi(10^9), so although it's possible > that the two errors are unrelated, that seems a strange way to fail if > the issue were related to insufficient memory. > > I downloaded sage-3.4-linux-Ubuntu_8.10-i686-Linux.tar.gz from the > University of Washington mirror. I'm running ubuntu 8.10, kernel > version 2.6.27-11-generic. I have 4gb of ram, though running a 32 bit > kernel effectively limits me to ~3.2 gb. Since sse4 is a cpu > instruction set (from what I understand), here it the output for cat / > proc/cpuinfo: > > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 15 > model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz > stepping : 11 > cpu MHz : 1600.000 > cache size : 4096 KB > physical id : 0 > siblings : 4 > core id : 0 > cpu cores : 4 > apicid : 0 > initial apicid : 0 > fdiv_bug : no > hlt_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 10 > wp : yes > 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 nx lm > constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 > ssse3 cx16 xtpr lahf_lm > bogomips : 4799.97 > clflush size : 64 > power management: > ( ... it then lists 3 more processors with the same information) > > Although not the newest processor, it seems like this should be recent > enough to run sage. I also tried installing the new version on my > laptop, another ubuntu 8.10 system this time with a core 2 duo > processor, and got the exact same error. > > Any thoughts? Thanks a lot,
Have you tried to build Sage from sources? If you also get the same error, it will mean this is not an error related to your cpu instruction set. -- Johan --~--~---------~--~----~------------~-------~--~----~ 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 URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---