From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from RCS-9000.COM (unknown [218.94.131.104]) by ozlabs.org (Postfix) with ESMTP id 6E34568336 for ; Mon, 26 Sep 2005 17:45:07 +1000 (EST) Date: Mon, 26 Sep 2005 15:48:03 +0800 Message-Id: <200509261548.AA26280018@RCS-9000.COM> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: "zhonglei" To: Subject: sys_shmat Reply-To: zhonglei@RCS-9000.COM List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , hi: I get a pointer shramptr from sys_shmat(shid,0,SHM_R|SHM_W,&shramptr) to use share RAM in my driver. But when I assign a value into this pointer in my interrupt routine, the system shows: oops: kernel access of bad area! what's the problem? thanks zhonglei