From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from web15809.mail.cnb.yahoo.com (web15809.mail.cnb.yahoo.com [202.165.102.89]) by ozlabs.org (Postfix) with SMTP id D661B6894D for ; Thu, 29 Dec 2005 15:37:24 +1100 (EST) Message-ID: <20051229043720.15530.qmail@web15809.mail.cnb.yahoo.com> Date: Thu, 29 Dec 2005 12:37:20 +0800 (CST) From: Sam Song To: linuxppc-embedded list MIME-Version: 1.0 Content-Type: text/plain; charset=gb2312 Subject: MPC8347 USB problem : Copying big file[>150MB] discontinuous via Samba List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi all, We met a USB performance problem on a custom 8347 board with 2.4.31. When copying small files no more than 100MB in size, it worked smoothly with NEC or VIA PCI card. But copying a big file like more than 150MB in size would decrease the copying speed a lot. Serial console even couldn't response 'ls' command. The target has a 128MB DDR RAM. While the same driver with 2.4.31 worked fine on a 8248 custom board. What could the problem be? Sorry to distrub you during Christmas Time. Thanks in advance, Sam Best regards, Sam __________________________________________________ ¸Ï¿ì×¢²áÑÅ»¢³¬´óÈÝÁ¿Ãâ·ÑÓÊÏä? http://cn.mail.yahoo.com