[rc5] 2.004 Bug (?) Report

Justin M. Forbes justin at netblocks.com
Thu Aug 7 18:26:53 EDT 1997


I noticed it in the Linux, and NT/95 versions... they all get it wrong...

Bryan Talbot wrote:

> I've noticed this behavor too, but only when running on some version of
> unix.  The linux and solaris x86 clients I've tried both incorrectly
> detect the CPU type.  The win NT clients seem to always get it right,
> however.  I've only tried this with Pentium and PPro CPUs.  The machines
> are Solaris x86 5.5.1 and Linux 1.2.x and 2.0.x kernels.
>
> Sean McPherson wrote:
>
> > System: Dual P200 Classic (Non-MMX)
> >         128 MB Ram / 512k Cache
> >         Linux 2.1.47/2.0.30 (1 CPU enabled in 2.0.30)
> >
> > Problem:
> >         Client autodetecting proper code to run; changes each time
> > with no
> > apparant order. 9 test of rc5v2.004 -benchmark resulted in the
> > following:
> >
> > Automatically Selecting Intel Pentium Pro/Pentium II optimized code
> > Automatically Selecting Intel 386/486 optimized code
> > Automatically Selecting Intel Pentium Pro/Pentium II optimized code
> > Automatically Selecting Cyrix/IBM 6x86 optimized code
> > Automatically Selecting AMD K5 optimized code
> > Automatically Selecting AMD K5 optimized code
> > Automatically Selecting AMD K5 optimized code
> > Automatically Selecting AMD K5 optimized code
> > Automatically Selecting Cyrix/IBM 6x86 optimized code
> >
> >         Exact same processes running the entire time (nothing but the
> > VERY
> > basic system processes and the 1 shell. No X, sendmail, news, httpd,
> > etc).
> > Same thing happens (in a different order, still random) if I use
> > stable
> > Linux 2.0.30 (with only 1 CPU enabled).
> >
> > Any Ideas? Further information available on request; didn't want to
> > flood
> > the list :)
> >
> > --
> > Sean McPherson
> > sean at ntr.net
> > Systems Administration
> > NTR.Net Corporation
> > --
> > REALITY.SYS corrupted. Reboot universe? [Y n]
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> > rc5' in the body.
>
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