From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <001301c1c319$8ce6a8d0$1a11efcb@industrialDiv.hanasys.co.kr> Reply-To: "Sangmoon Kim" From: "Sangmoon Kim" To: "Derrik Weeks" , "linuxppc-embedded" References: Subject: Re: execve system call question Date: Mon, 4 Mar 2002 10:11:40 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Hi Derrik Weeks, I got the bash prompt. > A little research says this is not the case. As I understand it (with thanks > to Wolfgang) Linux reserves memory space below 80000000 for user > applications. In my case I had my IMMR based registers mapped below this > value, and the kernel was setting mapping for this space to virtual = > physical, which caused my problem. You may have the same issue with your > serial port, it would be worth a try to move it to high memory and see if > this resolves your problem. I changed the hardware by some jump wire, so the serial port is now located at 0xff000000. I'll try the virtual != physical thing with my original hardware. Thank you for the reply! - Sangmoon Kim - ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/