On Nov 27, 11:40 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> On Nov 27, 11:30 pm, Jeffrey Straszheim <[EMAIL PROTECTED]>
> wrote:
>
> Hi Jeffrey,
>
> > I've just downloaded and launched Sage on an Ubuntu 8.10 box. I
> > unzipped the file and ran ./sage and got this:
>
> > 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:
>
> > nx up
>
> You have hit a bug introduce by accident via #3761.
>
> > I downloaded this image of Sage:
>
> > sage-3.2-ubuntu32bit-intel-i686-Linux.tar.gz
>
> > Is there anything I can do?
>
> Edit the file $SAGE_ROOT/local/lib/sage-flags.txt and remove the "nx"
> and "up" flag.
>
> The flags file is meant to prevent binaries build with SSE2 and SSE3
> to run on machines that do not have those instructions (older 32 bit
> x86 CPUs for example), Unfortunately the detection is a little
> overzealous, i.e. "nx" indicates "no execute" capabilies, not sure
> what "up" is about.
For the record: Mike Hansen just told me that up is uni processor
> We are tracking the problem athttp://trac.sagemath.org/sage_trac/ticket/4642
> and will have it fixed hopefully soon. Thanks for reporting the issue.
>
> > Thanks in advance
>
> > Jeffrey
>
> Cheers,
>
> Michael
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