Subject: Re: ahc bug in current? (was: ccd changed in current?)
To: None <firstname.lastname@example.org>
From: Chris G. Demetriou <email@example.com>
Date: 08/29/1997 13:20:02
> While this may or may not be the problem, you should know that the DECchip
> 21050 is a first-generation PCI-to-PCI bridge and contains a serious design
> flaw. It is susceptible to deadlock under certain conditions. Under certain
> cirumstances where a downstream and an upstream transaction are trying to
> proceed through a 21050 simultaneously, neither transaction will ever proceed.
Actually, I was under the impression (from discussions i'd seen about
the bug over a year ago) that the problem was specific to the Intel
Triton chipset, and was in fact a Triton bug which had been worked
around in later revs of the PPB...
However, my understanding could well be out of date, since it was