From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 900CBDDE18 for ; Thu, 13 Sep 2007 14:47:31 +1000 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1IVgbw-0001wN-Kp for linuxppc-dev@ozlabs.org; Wed, 12 Sep 2007 21:47:28 -0700 Message-ID: <12648671.post@talk.nabble.com> Date: Wed, 12 Sep 2007 21:47:28 -0700 (PDT) From: sivaji To: linuxppc-dev@ozlabs.org Subject: Re: 2.6.23-rc3 boot hang on MPC8641D In-Reply-To: <85940BCC-C5A7-4461-B49C-A5C1879708C3@kernel.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii References: <12648489.post@talk.nabble.com> <85940BCC-C5A7-4461-B49C-A5C1879708C3@kernel.crashing.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, I have JTAG Debugger connected to the board. I was given the following commands in the root path of the kernel source 1. ${CROSS_COMPILE}gdb vmlinux 2. I got th GDB prompt after that i give target remote 172.29.38.213:2001 i got following results (gdb) target remote 172.29.38.213:2001 Remote debugging using 172.29.38.213:2001 Remote packet too long: deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbe 0000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000000060520000000000006052000000000000605200000000fff00100deadbee Ignoring packet error, continuing... 0xdeadbeef in ?? () 3.(gdb) b start_kernel Cannot access memory at address 0xc02b44ec by sivaji Kumar Gala-3 wrote: > > > On Sep 12, 2007, at 11:18 PM, sivaji wrote: > >> >> Hi, >> I am try to boot the 2.6.23-rc3 kernel to my custom board >> based on >> 8641D Processor. After uncompressing the kernel it was hang. I got the >> following messages. >> >> Uncompressing Kernel Image ... OK >> Booting using flat device tree at 0x600000. >> >> Then i tried to debug with GDB. In my source path i given >> the command >> ${CROSS_COMPILE}gdb vmlinux, I got GDB Prompt after i tried to set the >> breakpoint at start_kernel. I got follwing messages >> >> gdb) b start_kernel >> Cannot access memory at address 0xc02b44ec > > how are you connecting gdb to the board? > > do you have a JTAG debugger connected to the board? > > - k > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev > > -- View this message in context: http://www.nabble.com/2.6.23-rc3-boot-hang-on-MPC8641D-tf4433508.html#a12648671 Sent from the linuxppc-dev mailing list archive at Nabble.com.