bug: 2.4.[<=6] kernel has Cyrix 'coma' bug?

From: Steven Lass (stevenlass1@home.com)
Date: Sun Jul 22 2001 - 08:10:55 EST


dev-list,

Every 2.4 kernel that I've tried freezes my Cyrix MediaGX system at boot
up.

Typically the last messages displayed are:

Working around Cyrix MediaGX virtual DMA bugs
CPU: Cyrix Media GX Core/Bus Clock Stepping 02
Checking 'hlt' instruction

Occasionally, the "Checking 'hlt' instruction" is not displayed before
it freezes.

My system is a PowerSpec Model 1810 (no laughs please), my Phoenix BIOS
reports "Cyrix GX 3.2 180MHz".

I've compiled/installed numerous 2.2.x kernels w/o any trouble. The
Redhat 7.1 CDROM image freezes at boot. I've compiled the 2.4.4, 2.4.5,
& 2.4.6 kernels with various config settings, but they all freeze at
boot. I'm currently running redhat 7.0, so I've tried compiling with
gcc (gcc 2.96 20000731) & kgcc (egcs 1.1.2 release), no luck.
 
I'm willing to compile the 2.4.[<4} kernels or try any other
pre-compiled kernels is anyone has a suggestion.

Please CC: me on any response
-steve

attached mail follows:



dev-list,

Every 2.4 kernel that I've tried freezes my Cyrix MediaGX system at boot
up.

The point at which it hangs varies, but typically the last messages
displayed are:

Working around Cyrix MediaGX virtual DMA bugs
CPU: Cyrix Media GX Core/Bus Clock Stepping 02
Checking 'hlt' instruction

My system is a PowerSpec Model 1810 (no laughs please), my Phoenix BIOS
reports "Cyrix GX 3.2 180MHz".

I've compiled/installed numerous 2.2.x kernels w/o incident. The Redhat
7.1 CDROM image freezes. I've compiled the 2.4.4, 2.4.5, & 2.4.6
kernels with various config settings, but they all freeze. I'm
currently running redhat 7.0, so I've tried compiling with gcc (gcc 2.96
20000731) & kgcc (egcs 1.1.2 release), no luck.
 
I'm willing to compile the 2.4.[<4} kernels or try any other
pre-compiled kernels is anyone has a suggestion.

Please CC: me on any response
-steve

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This archive was generated by hypermail 2b29 : Mon Jul 23 2001 - 21:00:15 EST