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Re: [Xen-devel] serial console stopped working

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] serial console stopped working
From: Rik van Riel <riel@xxxxxxxxxx>
Date: Sat, 19 Feb 2005 16:50:27 -0500 (EST)
Cc: Michael A Fetterman <Michael.Fetterman@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
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On Thu, 17 Feb 2005, Keir Fraser wrote:

I've just checked in a potential fix. The symptoms sound a lot like
what happens when the per-cpu IDTs get out of sync, so the patch
ensures that updates to the cpu0 IDT also get written to any other
IDTs that have been allocated.

Serial console now seems to work reliably on my SMP test
system.

--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan


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