Re: zImage not supported for 2.2.20?

From: H. Peter Anvin (
Date: Tue Jan 01 2002 - 19:54:52 EST

Followup to: <>
By author: Roy Hills <>
In newsgroup:
> My understanding is that the problem is something to do with the
> Toshiba Tecra laptops not flushing the cache properly when activating
> the A20 line. This causes a problem for bzImage kernels because they
> decompress into extended memory, whereas zImage kernels don't and
> thus don't tickle the bug.

It's a timing problem; it has nothing to do with the cache. The
workaround for the timing problem was added a long time ago.


<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot."	<>
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