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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