Re: NS Geode: Is it OK to enable TSC [2.4.x]

[Alan Cox]

> Normallly, you can only compile the kernel with the CONFIG_M586 option.
> Doing some experimentation, I enabled the TSC in the file:
> /usr/src/linux/arch/i386/kernel/setup.c (by commenting out the
> "clear_bit(X86_FEATURE_TSC...." for the GX processor in the function
> "init_cyrix". I then compiled the kernel then with CONFIG_M586MMX. So
> far the system is running non-stop (without any apparent problems) for
> 24 hours with a RTAI-application aswell.

Certain combinations of Geode/MediaGX and chipset fail because of problems
with the emulation of the pc timers. If your machine even boots without
a panic about that or hanging then its not afflicted. Someone sent a work
around for this problem to the kenrel list recently and its on my pile
of things to tidy up and merge.