From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Danter Date: Wed, 08 Dec 2004 12:14:08 +0000 Subject: [U-Boot-Users] Questions of uImage on sbc8260 board In-Reply-To: <20041207231546.37360.qmail@web54401.mail.yahoo.com> References: <20041207231546.37360.qmail@web54401.mail.yahoo.com> Message-ID: <41B6F010.20508@ntlworld.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de duo dong wrote: > > 1. NFS > > Do I have to use NFS to boot ? My server has problem > and I'm using serial port only now. Is there another > way to avoid using server? If I can, what steps I > should follow? No, you do not _have_ to use NFS, but it is a lot easier than using a RAMDISK when your developing apps. > > 2. I'm trying to use ramdisk because the server is off > and get errors. The kernel is build with reamdisk and > loaded into RAM. How exactly are you loading the kernel/ramdisk image? > > 3. => bootm > ## Booting image at 00400000 ... > Image Name: Linux Multiboot-Image > RAMDISK: Compressed image found at block 0 > crc error<6>Freeing initrd memory: 1367k freed <<--?? I'm not sure what is causing this, was the image corrupted when you downloaded? Maybe someone else can help us here..? > VFS: Cannot open root device "" or 00:00 <<-- > Please append a correct "root=" boot option Your boot options should have root=/dev/ram0 > Kernel panic: VFS: Unable to mount root fs on 00:00 > <<-- > <0>Rebooting in 180 seconds.. > > 4. I did not rebuild the ramdisk image, just use the > one from SELF. Do I need rebuild it? I used one of the Denx ramdisks with no problems and didn't need to rebuild anything. I didn't build a unified kernel/ramdisk image though, I just loaded the kernel and then the example ramdisk unchanged. Try that. Rich