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DateSat, 21 May 2005 17:24:18 +0200
FromOndrej Zary <>
SubjectRe: What happened to Cyrix 6x86 support in 2.6?
Gregor Jasny wrote:
> Hi,> > I have an old machine with a Cyrix 6x86 processor. When running Linux 2.4 it is recognized as a Cyrix and MTRR is enabled:
> > kernel: Linux version 2.4.22 (root@Rincewind) (gcc version 2.95.4 20011002 (Debian prerelease)) #2 Fri Nov 28 15:43:13 CET 2003
> ...> kernel: Enabling CPUID on Cyrix processor.> kernel: CPU:     After generic, caps: 00000105 00000000 00000000 00000004
> kernel: CPU:             Common caps: 00000105 00000000 00000000 00000004
> kernel: CPU: Cyrix 6x86L 2x Core/Bus Clock stepping 02
> > But when I boot a Linux 2.6 kernel with CONFIG_M586=y it recognizes only a 486.

Something like that also happened with my UMC 486. It's now detected as:

Linux version 2.6.8.1-router (root@pentium) (gcc version 3.3.4) #1 Thu 
Sep 9 12:42:25 CEST 2004
...
CPU: After generic identify, caps: 00000000 00000000 00000000 00000000
CPU: After all inits, caps:        00000000 00000000 00000000 00000000
CPU: UMC UMC UMC  ff/02 stepping 03
It used to be detected more nicely in 2.4.x (I don't remember exact string).

-- 
Ondrej Zary
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