From owner-freebsd-bugs Wed Sep 10 23:09:29 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id XAA29789 for bugs-outgoing; Wed, 10 Sep 1997 23:09:29 -0700 (PDT) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id XAA29746; Wed, 10 Sep 1997 23:08:19 -0700 (PDT) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.5/8.6.9) id QAA28335; Thu, 11 Sep 1997 16:05:05 +1000 Date: Thu, 11 Sep 1997 16:05:05 +1000 From: Bruce Evans Message-Id: <199709110605.QAA28335@godzilla.zeta.org.au> To: freebsd-bugs@FreeBSD.ORG, j@uriah.heep.sax.de, joerg@FreeBSD.ORG Subject: Re: kern/4486 Sender: owner-freebsd-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >As suggested by Tor Egge , the actual problem was >that attempting to dump parts of the adapter memory region (most >likely the video adapter memory in this case) caused the hang. Tor's >suggested workaround has been committed, in a slightly generalized >form. There should be no problem with adapter memory for wddump(), since adapter memory should look like ordinary memory at least when it is accessed via normal instructions <= 32 bits at a time. Does the broken system also hang for 64-bit video accesses via the FPU? Bruce