From mboxrd@z Thu Jan 1 00:00:00 1970 From: kristoffer.ericson@gmail.com (Kristoffer Ericson) Date: Tue, 25 May 2010 19:12:07 +0200 Subject: zImage works, but not vmlinux In-Reply-To: <4BFC03CF.4070305@gmail.com> References: <4BFBF015.6000008@gmail.com> <20100525165445.GB3085@boggieman> <4BFC03CF.4070305@gmail.com> Message-ID: <20100525171207.GC3085@boggieman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, May 25, 2010 at 01:07:27PM -0400, f. achkar wrote: > On 05/25/2010 12:54 PM, Kristoffer Ericson wrote: > > On Tue, May 25, 2010 at 11:43:17AM -0400, f. achkar wrote: > > > >> Hi, > >> I have tried to send this message some part of it was ignored, resending > >> sorry ... > >> > >> greetings, > >> I'm newbie to arm linux, so pls if my issue is already addressed just > >> point me to that reference. I'm trying to learn, but couldn't pass the > >> following stage: > >> I have a s3c245 based board, I have a working compressed kernel image > >> zImage, this image boots properly via u-boot-1.1.6, however I simply > >> failed to load (i.e., boot vmlinux) via u-boot directly from SDRAM. > >> > >> more details: > >> > >> 1. I let the target boot until the message of " Hit any key to stop > >> autoboot: " for which I hit enter, (this initialized the board > >> enables MMU, I-Cache, .. etc); > >> 2. board info as seen by u-boot > >> # bdinfo > >> arch_number = 0x00000648 > >> env_t = 0x00000000 > >> boot_params = 0x30000100 > >> DRAM bank = 0x00000000 > >> -> start = 0x30000000 > >> -> size = 0x04000000 > >> DRAM bank = 0x00000001 > >> -> start = 0x38000000 > >> -> size = 0x04000000 > >> ethaddr = ...:5B > >> ip_addr = ...200 > >> baudrate = 115200 bps > >> 3. laod vmlinux to SDRAM : > >> tftp 30008000 vmlinux > >> TFTP from server ...210; our IP address is ...200 > >> Filename 'vmlinux'. > >> Load address: 0x30008000 > >> Loading: T ############ ..... > >> 4. # bootm 30008000 > >> ## Booting image at 30008000 ... > >> Boot with Image > >> do not support this address : 30008000 > >> > >> Starting kernel ... > >> > > Is that kernel compiled with early printk? > > > the kernel version is 2.6.21-1, and there is no early_printk support yet > for that version! > thanks Then you should add some ascii_printk output so you get more info. I believe its described on arm wiki. > > > >> and nothing happens it probably crashed somewhere, why zImage works > >> while vmlinux does not? > >> thanks, > >> ferar > >> > >> > >> _______________________________________________ > >> linux-arm-kernel mailing list > >> linux-arm-kernel at lists.infradead.org > >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > >>