Messages in this thread | | | Subject | Re: Loading Pentium III microcode under Linux - catch 22! | From | Alan Cox <> | Date | 07 Aug 2003 14:58:35 +0100 |
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On Iau, 2003-08-07 at 13:28, Chris Rankin wrote: > I have modified by boot scripts to load the microcode > as soon as the root filesystem has been successfully > mounted. However, this means that kernel always boots > on buggy CPUs! For example, last night my boot failed > just after releasing the unused kernel memory. I > suspect that the record temperatures that my part of > the world is currently experiencing is adversely > influencing things. My boot-ups are usually fine
As far as I am aware none of the microcode updates even apply to 933Mhz era PIII, just the ones the BIOS ships with by default nowdays. Also the kind of stuff the errata fix are obscure ultra-weird corner cases people just don't hit.
Thus I'd be very suprised if loading the microcode any earlier was neccessary - certainly nobody else has reported needing to.
> In an ideal world, I would like Linux to load the > microcode *before* the kernel boots, which begs the > question of "How?". Can you suggest anything, please?
The kernel can't load the microcode until it has booted, it can load it very early after that from initrd.
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