From owner-freebsd-ia64 Thu Jan 30 7:13:12 2003 Delivered-To: freebsd-ia64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C1AE937B405 for ; Thu, 30 Jan 2003 07:13:10 -0800 (PST) Received: from ms1.din.or.jp (ms1.din.or.jp [210.135.65.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 536E143F93 for ; Thu, 30 Jan 2003 07:13:09 -0800 (PST) (envelope-from yokase@din.or.jp) Received: from localhost (l245001.ppp.asahi-net.or.jp [218.219.245.1]) by ms1.din.or.jp (8.11.6+Sun/3.7W) with ESMTP id h0UFD7I16137; Fri, 31 Jan 2003 00:13:07 +0900 (JST) To: freebsd-ia64@FreeBSD.ORG Cc: yokase@din.or.jp Subject: Re: Problems with fxp driver In-Reply-To: <20030128073021.B3E022A89E@canning.wemm.org> References: <20030128145803D.yokase@din.or.jp> <20030128073021.B3E022A89E@canning.wemm.org> X-Mailer: Mew version 1.94.2 on Emacs 19.34 / Mule 2.3 (SUETSUMUHANA) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20030131002444D.yokase@din.or.jp> Date: Fri, 31 Jan 2003 00:24:44 +0900 From: Yasuyuki Okase X-Dispatcher: imput version 20000228(IM140) Lines: 53 Sender: owner-freebsd-ia64@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Thank you for mail. > > > I forgot to mention that I've tried two different i2000's so far. So, > > > next question would be: > > > has anyone succeeded in using the fxp driver in an i2000 box? > > > > Yes. > > However, only 2GB RAM has been recognized. > > The fxp driver does not yet use the busdma subsystem. This means that it > cannot use memory above the 4GB mark. In the meantime, we ignore memory > above the 4GB mark. Note that on most ia64 systems with more than 2GB of > ram, only 2GB is reachable inside the bottom 4GB of address space. The other > 2GB of space is usually reserved for system and PCI use. I see. In EFI shell, memmap command returns following. Type Start End # Pages (snip) available 0000000000100000-000000007F23DFFF 000000000007F13E (snip) available 0000000100000000-000000023FE80FFF 000000000013FE81 (snip) > If you have 64 bit capable devices (em, bge, mpt, etc) or busdma using > devices (ahc, xl, etc), then you can remove the code that ignores the memory > above 4GB from the /usr/src/sys/ia64/ia64/machdep.c file. It displays > a message about it at boot, so it is easy to find. Memory descriptor count: 37 (snip) MD 4: type 7 pa 0x100000 cnt 0x7f13e <--- 0GB to 2GB Descriptor 4 contains kernel (snip) MD 14: type 7 pa 0x100000000 cnt 0x13fd74 Skipping memory chunk start 0x100000000 <--- 4GB to 9GB (snip) > But do not do this ifyou want to use fxp or an isp qlogic scsi controller. Since I don't have ASC-29160 in the misfortune, either, I cannot but use qLogic. Examine buying it. -- Yasuyuki Okase yokase@din.or.jp To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ia64" in the body of the message