Redhat 6.1 problems on Cyrix 6x86 P200+

Redhat 6.1 problems on Cyrix 6x86 P200+

Post by Michael Flow » Tue, 12 Oct 1999 04:00:00



I have had problems recompiling the kernel, using RH6.1 on a
Cyrix 6x86 P200+ machine. I am getting Signal 11 during the
compilaton, causing the make to terminate.

This problem was addressed in a past releas of RH.

Does anyone know of a work around?
...mcf

--
Michael Flower                          WWW:    http://winchester.trl.oz.au/mcf

Telecom Research Laboratories           Voice:  +61 3 253 6179
Melbourne, AUSTRALIA                    Fax:    +61 3 253 6173

 
 
 

Redhat 6.1 problems on Cyrix 6x86 P200+

Post by Ashutosh S. Rajeka » Tue, 12 Oct 1999 04:00:00



Quote:> I have had problems recompiling the kernel, using RH6.1 on a
> Cyrix 6x86 P200+ machine. I am getting Signal 11 during the
> compilaton, causing the make to terminate.

        Your problem is not with the CPU, but with the memory. GCC uses
many pointers to manage its compilation. But in the process, some may
point to undefined locations in memory. This is caused due to non-addition
of wait states in the memory reads/writes. If your BIOS supports this,
then enable it. There is also a SIG-11 FAQ, as to why during compilation
we get SIG 11 (segmentation violation). See /usr/doc/FAQ/SIG-11-FAQ.

-------------------
Ashutosh S. Rajekar
http://i.am/asr

 
 
 

Redhat 6.1 problems on Cyrix 6x86 P200+

Post by John Alvo » Thu, 14 Oct 1999 04:00:00


On Mon, 11 Oct 1999 17:37:40 -0500, "Ashutosh S. Rajekar"



>> I have had problems recompiling the kernel, using RH6.1 on a
>> Cyrix 6x86 P200+ machine. I am getting Signal 11 during the
>> compilaton, causing the make to terminate.

>    Your problem is not with the CPU, but with the memory. GCC uses
>many pointers to manage its compilation. But in the process, some may
>point to undefined locations in memory. This is caused due to non-addition
>of wait states in the memory reads/writes. If your BIOS supports this,
>then enable it. There is also a SIG-11 FAQ, as to why during compilation
>we get SIG 11 (segmentation violation). See /usr/doc/FAQ/SIG-11-FAQ.

In general experience, SIG 11 means a hardware error. That is true
well over 99% of the time. Bad memory, overclocked cpu, bad cache
memory, overheated machine... the possibilities are endless.

john alvord

 
 
 

Redhat 6.1 problems on Cyrix 6x86 P200+

Post by Peter Samuels » Fri, 15 Oct 1999 04:00:00



Quote:> I have had problems recompiling the kernel, using RH6.1 on a Cyrix
> 6x86 P200+ machine. I am getting Signal 11 during the compilaton,
> causing the make to terminate.

As noted before, this can be caused by any number of things.  See the
famous http://www.bitwizard.nl/sig11/ for details.

Quote:> This problem was addressed in a past releas of RH.

You may well be thinking of the cyrix low-power setting (keeps CPU from
overheating) which Alan Cox removed from either 2.2.12 or .13pre.  He
says just to use a user-space tool like PowerTweak (www.powertweak.com
for details).

--
Peter Samuelson
<sampo.creighton.edu!psamuels>

 
 
 

1. Cyrix 6x86-P200+ is out, and faster than Pentium 200

The new Cyrix 6x86-P200+ is out and faster than the Intel Pentium 200.  The
P200+ runs on a new motherboard with a main memory speed of 75 MHz, and in
recent tests the top Cyrix system scored over 100 on the WINSTONE 96 test,
the first system ever to do so.  The Pentium 200 scored 89 on the WINSTONE
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