From owner-freebsd-stable Wed Oct 11 10:37:33 2000 Delivered-To: freebsd-stable@freebsd.org Received: from search.sparks.net (search.sparks.net [208.5.188.60]) by hub.freebsd.org (Postfix) with ESMTP id A494337B502 for ; Wed, 11 Oct 2000 10:37:27 -0700 (PDT) Received: by search.sparks.net (Postfix, from userid 100) id 49F57DC74; Wed, 11 Oct 2000 13:31:10 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by search.sparks.net (Postfix) with ESMTP id 318B2DC73; Wed, 11 Oct 2000 13:31:10 -0400 (EDT) Date: Wed, 11 Oct 2000 13:31:10 -0400 (EDT) From: David Miller To: Andy Newman Cc: "Brandon D. Valentine" , Warner Losh , Bill Moran , freebsd-stable@FreeBSD.ORG Subject: Re: Anyone using adaptec 29160 In-Reply-To: <20001010191538.A36348@juju.bsn> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 10 Oct 2000, Andy Newman wrote: [snip] > During the "writing intelligently" portion of a bonnie run (which I > figure is just good sized block output)... > > (da2:ahc0:0:2:0): SCB 0x74 - timed out in Message-in phase, SEQADDR == 0x146 I'm just taking a wild guess here, but these timed-out messages, combined with: > > Also of note is that under load the Ethernet can report... > > > xl0: transmission error: 90 > xl0: tx underrun, increasing tx start threshold to 120 bytes > xl0: transmission error: 90 > xl0: tx underrun, increasing tx start threshold to 180 bytes > xl0: transmission error: 90 > xl0: tx underrun, increasing tx start threshold to 240 bytes > xl0: transmission error: 90 > xl0: tx underrun, increasing tx start threshold to 300 bytes > xl0: transmission error: 90 > xl0: tx underrun, increasing tx start threshold to 360 bytes > > > Which I gather is to do with bus hogging, i.e, the 29160. Is probably a reflection of the fact that you can hook more up to a PCI bus than you can get through it. IE, pci is only 132 MB/sec, and you can probably exceed that with just the 29160, never mind the ethernet. The Tyan thunder series is looking better all the time:) --- David To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message