From owner-freebsd-hackers Tue Dec 7 13:14:58 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from overcee.netplex.com.au (overcee.netplex.com.au [202.12.86.7]) by hub.freebsd.org (Postfix) with ESMTP id 11DB014E72 for ; Tue, 7 Dec 1999 13:14:45 -0800 (PST) (envelope-from peter@netplex.com.au) Received: from netplex.com.au (localhost [127.0.0.1]) by overcee.netplex.com.au (Postfix) with ESMTP id 3C6571CC6; Wed, 8 Dec 1999 05:14:44 +0800 (WST) (envelope-from peter@netplex.com.au) X-Mailer: exmh version 2.1.1 10/15/1999 To: Gerard Roudier Cc: Ed Hall , Matthew Dillon , "Jonathan M. Bresler" , kris@hub.freebsd.org, freebsd-hackers@FreeBSD.ORG Subject: Re: PCI DMA lockups in 3.2 (3.3 maybe?) In-Reply-To: Message from Gerard Roudier of "Tue, 07 Dec 1999 23:10:39 +0100." Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Date: Wed, 08 Dec 1999 05:14:44 +0800 From: Peter Wemm Message-Id: <19991207211444.3C6571CC6@overcee.netplex.com.au> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Gerard Roudier wrote: > > > On Tue, 7 Dec 1999, Peter Wemm wrote: > > > I might add that others have found that using sym + fxp on the N440BX > > motherboards didn't solve their problems, or moved the problem elsewhere, > > eg: to the sbdrop() etc routines. One other interesting variable.. an ahc > > + pn driver combination on a 440BX motherboard under -current in late may > > 99 had the exact same problems we saw a number of times with ncr + fxp (ie: > > sbdrop, sbflush, m_copym etc panics). The same motherboard with ahc + de o r > > fxp did not have the problems. > > (ncr || sym || ahc) && fxp = TRUE makes the fxp a better culprit. :-) No no, ahc && fxp == FALSE. ahc && if_pn == TRUE. (or was true in june, on non-N440BX machines, with an *exact* match of a crash class the fxp && ncr machines were having in october). Cheers, -Peter -- Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message