From owner-freebsd-stable Fri Jun 21 11:57: 1 2002 Delivered-To: freebsd-stable@freebsd.org Received: from sabre.velocet.net (sabre.velocet.net [216.138.209.205]) by hub.freebsd.org (Postfix) with ESMTP id 9843837B412 for ; Fri, 21 Jun 2002 11:56:49 -0700 (PDT) Received: from canoe.velocet.net (canoe210.velocet.net [216.138.240.43]) by sabre.velocet.net (Postfix) with ESMTP id BFCF8137F23 for ; Fri, 21 Jun 2002 14:56:48 -0400 (EDT) Received: by canoe.velocet.net (Postfix, from userid 101) id 8AAE056781B; Fri, 21 Jun 2002 14:56:48 -0400 (EDT) From: David Gilbert MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15635.30448.386701.632000@canoe.velocet.net> Date: Fri, 21 Jun 2002 14:56:48 -0400 To: freebsd-stable@freebsd.org Subject: vastly lower-than-expected thruput on promise TX2-100 X-Mailer: VM 7.04 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I bought four idential drives, they probe on system A: atapci1: port 0x24c0-0x24cf,0x24d0-0x24d3,0x24d8 -0x24df,0x24d4-0x24d7,0x24e0-0x24e7 mem 0xf5000000-0xf5003fff irq 11 at device 6 .0 on pci2 ata2: at 0x24e0 on atapci1 ata3: at 0x24d8 on atapci1 ad4: 76319MB [155061/16/63] at ata2-master UDMA100 ad6: 76319MB [155061/16/63] at ata3-master UDMA100 and on system B: atapci1: port 0xcc00-0xcc3f,0xd000-0xd003,0xd400-0xd407,0xd800-0xd803,0xdc00-0xdc07 mem 0xcffe0000-0xcfffffff irq 11 at device 9.0 on pci0 ata2: at 0xdc00 on atapci1 ata3: at 0xd400 on atapci1 ad6: 76319MB [155061/16/63] at ata3-master UDMA66 ad7: 76319MB [155061/16/63] at ata3-slave UDMA66 System A is a dual Athlon 1800 MP, System B is an Athlon 1.3Ghz. The two drives in system B perform about 30MB/s each... both read and write ... which is to be expected (UDMA 66) The two drives in system A perform at about 12MB/s each ... which seems to indicate that either the TX2 sucks, or the driver is somewhat broken. Dave. -- ============================================================================ |David Gilbert, Velocet Communications. | Two things can only be | |Mail: dgilbert@velocet.net | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message