Re: BUG? i386 TLB Flushing of Global Pages

From: Stephen C. Tweedie (sct@redhat.com)
Date: Mon Jan 24 2000 - 14:08:29 EST


Hi,

On Mon, 17 Jan 2000 14:56:03 +0100 (CET), Ingo Molnar
<mingo@chiara.csoma.elte.hu> said:

>> * kmap: kmap_prot contains _PAGE_GLOBAL, ie all kmap flushes are wrong !

> yeah, this is indeed a bug and it also explains the one remaining 64GB
> mystery: the extra invlpg in highmem.c. Patch (with other SMP fixes) will
> follow shortly.

I was really, really hoping that this might lay to rest the boot
failures with PAE36 for me, but no such luck --- 2.3.40 still dies with
SIGSEGV in init. Zach Brown can reproduce the same thing on one of his
boxes: Zach, does 2.3.40 do anything to help things for you?

--Stephen

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