Re: eip in 2.0.26

Nathan Bryant (nathan@burgessinc.com)
Wed, 27 Nov 1996 13:22:41 -0500 (EST)


On Wed, 27 Nov 1996, Gregory Youngblood wrote:

> I missed Linus' message as well, and I just found out I also have a
> stepping of 5 on my p100. Here's what my cpuinfo says
> calvin:~$ cat /proc/cpuinfo
> processor : 0
> cpu : 586
> model : Pentium 75+
> vendor_id : GenuineIntel
> stepping : 5
> fdiv_bug : no
> hlt_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid : yes
> wp : yes
> flags : fpu vme de pse tsc msr mce cx8
> bogomips : 40.04
>
> is there anything else I should worry about?
>

I don't have the message, but the gist of it was that Linus suspects there
is a bug in pentium chips with a stepping of 5. The bug is in the 4MB page
table extensions; the workaround is to specify mem=nopentium on the kernel
command line.

+-----------------------+----------------------------------+
| Nathan Bryant | Resident Unix Geek |
| nathan@burgessinc.com | Burgess Business Solutions, Inc. |
+-----------------------+----------------------------------+