From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 4C0F0DDDFB for ; Thu, 15 Nov 2007 00:11:00 +1100 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1IsI1B-0004HQ-1v for linuxppc-embedded@ozlabs.org; Wed, 14 Nov 2007 05:10:57 -0800 Message-ID: <13746324.post@talk.nabble.com> Date: Wed, 14 Nov 2007 05:10:57 -0800 (PST) From: Lorenz Kolb To: linuxppc-embedded@ozlabs.org Subject: Re: Virtex TEMAC 1000Mb/s trouble, but 100b/s is working In-Reply-To: <13743302.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii References: <13743302.post@talk.nabble.com> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , alex_snippet wrote: > > Hi all! > > I'm porting Linux for custom board based on Virtex4 FX, vanilla kernel > 2.6.22.5 , Xilinx EDK 9.1 BSP, > ELDK41 - cross-compiler > target nfs-root pointed to ELDK41/ppc_4xx > > Kernel command line: > Linux/PPC load: root=/dev/nfs rw console=ttyS0,9600 > nfsroot=192.168.0.1:/target > ip=on > > All work successfully was done, i tested all at 100Mb's connection speed, > but yesterday my customer said that with 1Gbit connection it did't work :( > end of log following: > > 3.341532] eth0: XTemac: Options: 0xb8f2 > [ 11.855386] eth0: XTemac: We renegotiated the speed to: 1000 > [ 11.923237] eth0: XTemac: speed set to 1000Mb/s > [ 13.000064] Sending DHCP requests ......, OK > [ 65.484075] IP-Config: Got DHCP answer from 0.0.0.0, my address is > 192.168.0. > 192 > [ 65.573684] IP-Config: Complete: > [ 65.610416] device=eth0, addr=192.168.0.192, mask=255.255.255.0, > gw=192 > .168.0.1, > [ 65.705572] host=192.168.0.192, domain=, nis-domain=(none), > [ 65.777872] bootserver=0.0.0.0, rootserver=192.168.0.1, rootpath= > [ 65.861982] Looking up port of RPC 100003/2 on 192.168.0.1 > [ 65.929093] Looking up port of RPC 100005/1 on 192.168.0.1 > [ 66.024134] VFS: Mounted root (nfs filesystem). > [ 66.079160] Freeing unused kernel memory: 104k init > [ 71.640314] nfs: server 192.168.0.1 not responding, still trying > [ 76.040311] nfs: server 192.168.0.1 not responding, still trying > > Load process was friezed at this point. When connection speed is 100Mb/s > everything is ok. > > Please advise me what to do, i tried to increase ppc core frequency from > 100 to 300 MHz - the same problem. > When i'm using virtual machine instead of real hardware it's working on > 1000Gb/s :) but isn't on real hardware. > We have it working for our ML403. But we are not using the builtin-support from the kernel. We are using an initrd/initramfs for mounting the NFS (as this is much easier for debugging (you can get a shell)). alex_snippet wrote: > > I'm using Fedora 7 as a host. > We had problems with ubuntu as a host. Debian (Kernel 2.6.18) works fine for us. alex_snippet wrote: > > May be there are some nfs-demon settings? > we use tcp,no_lock here. Regards, Lorenz Kolb ESIC-Solutions -- View this message in context: http://www.nabble.com/Virtex-TEMAC-1000Mb-s-trouble%2C-but-100b-s-is-working-tf4803823.html#a13746324 Sent from the linuxppc-embedded mailing list archive at Nabble.com.