From: pavenis AT lanet DOT lv
To: "Juan Manuel Guerrero" <ST001906 AT HRZ1 DOT HRZ DOT TU-Darmstadt DOT De>,
        djgpp-workers AT delorie DOT com
Date: Sat, 8 Sep 2001 16:46:19 +0300
MIME-Version: 1.0
Subject: Re: gcc301 difficulty
Message-ID: <3B9A4B5B.8882.F3B0FA@localhost>
References: <3B9127E4 DOT 27662 DOT 89CD1 AT localhost>
In-reply-to: <61357C1227C@HRZ1.hrz.tu-darmstadt.de>
X-mailer: Pegasus Mail for Win32 (v4.0, beta 40)
Content-type: text/plain; charset=US-ASCII
Content-transfer-encoding: 7BIT
Content-description: Mail message body
Reply-To: djgpp-workers AT delorie DOT com

On 3 Sep 2001 at 13:45, Juan Manuel Guerrero wrote:

> The reason for the failure seems to be the processor.
> I am using a system composed by:
> MB:  Tyan Trinity 100AT
> uP:  SGS-Thomson ST6x86 P166+ (FSB 66MHz, CPU Multiplicator: 2x)
> RAM: 32MB (fast page) + 32MB (edo)

Read 

	http://www.bitwizard.nl/sig11/

Something at this place could be usefull (Problems with Cyrix CPUs are mentioned there ...)

Andris

> 
> Please note that the uP is certainly *not* overclocked.
> The only way to get gcc-301 working is to disable the internal
> CPU cache (using BIOS settings). Disabling on-board L2 cache has
> no influence. I have reduced FSB to 60MHz and reduced CPU Multiplicator
> to 1x but it had no positive influence. I have substituted the board with
> a Chaintech 5IFM but I have got no positive results. This old
> board allows FSB of 55 MHz and 50 MHz. Lowering FSB seems to have
> no influence and the only way to get gcc working with a cyrix cpu
> (the cpu has no MMX instructions) seems to be to disable the
> internal cache. Of course, this measure is not acceptable at all
> due to the impressive slow-down.
> I am very sorprised about all this. I have been using gcc30b.zip
> for a month without any difficulty. I expected gcc301b.zip
> to be only a minor bug fix release and not to cause such
> difficulties.
> 
> Btw, I have tried to recompile gcc301s.zip. This seems impossible
> using win95 (4.00.950). The genattrib program always dies with
> the message that virtual memory has become exhausted. (DPMI
> memory available=48726KB, DPMI swap space available=16106KB).
> Am I missing something here? Can win95 not be used to compile gcc301?
> 
> 
> Regards,
> Guerrero, Juan Manuel