From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.235]) by ozlabs.org (Postfix) with ESMTP id CDBF1DDDEB for ; Fri, 29 Dec 2006 11:34:41 +1100 (EST) Received: by nz-out-0506.google.com with SMTP id l1so2241231nzf for ; Thu, 28 Dec 2006 16:34:39 -0800 (PST) Message-ID: <198592450612281634l3e71834i5915139a73e8f5d1@mail.gmail.com> Date: Fri, 29 Dec 2006 00:34:39 +0000 From: "Reeve Yang" To: sudheer Subject: Re: regarding kgdb in ppc In-Reply-To: <458E384A.108@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed References: <12c9fc1a0611280820h748cd520pd5546e2803dbab82@mail.gmail.com> <12c9fc1a0611292033p1c0ae010iadcf6afdd4a549ce@mail.gmail.com> <12c9fc1a0611300924r406e95acie5c2053c1433ab33@mail.gmail.com> <12c9fc1a0611302029h36f29943s119f8ad70b95f2c4@mail.gmail.com> <12c9fc1a0612010331p2c33c048j1af6006deda14abb@mail.gmail.com> <12c9fc1a0612040805p64f23a7bj42fd27891294dfc2@mail.gmail.com> <458E384A.108@gmail.com> Cc: kernelnewbies@nl.linux.org, linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I'm facing the same problem for almost two weeks and still don't have a clue. Please keep me in the thread. Thanks! - Reeve On 12/24/06, sudheer wrote: > > Hello All > > > Hi Shakti > > > > > > Then executed the command mkinird and copied and added initrd in the > > > grub.conf - situation is same. > > > I changed the root parameter to LABEL=/ - situation is same. > > > > Basically, block device, initrd support for ramdisk should be enabled: > > CONFIG_BLK_DEV_RAM > > CONFIG_BLK_DEV_INITRD > > > > Double check your .config file. > > > > I have checked all the above and are enabled in the config. I have tried > changing the kernel command line argumnets. > > I get the same error saying: (All from init/main.c) > ---- > unable to open an initial console > No init found. Try passing init= option to kernel. > ----- > I am able to debug the kernel on x86 systems. Thanks for all the support. > > Now I am working with kgdb on mpc8540 board. > target kernel version - linux-2.6.13 > KGDB version - linux-2.6.13-kgdb-2.3 > > I am getting the following error: > > root@localhost sudheer]# /opt/eldk-3.1.1/usr/bin/ppc_85xx-gdb vmlinux > GNU gdb Red Hat Linux (6.3.0.0-1.21_1rh) > ... > This GDB was configured as "--host=i386-redhat-linux --target=ppc-linux"... > (gdb) set remotebaud 115200 > (gdb) target remote /dev/ttyS0 > Remote debugging using /dev/ttyS0 > Ignoring packet error, continuing... > > On the target side, i could see that the target kernel kgdb waiting for > host communication. > > On the target board with kernel version - linux-2.6.13 , I could boot it > only after applying the patches: > 1. Gain_Phy_update > 2.patch-2.6.14-rc5 > 3.Phy_Platform_Update > The patch-2.6.14-rc5 when applied , deleted the file > arch/ppc/platforms/pcore.c and > pcore.h but the kernel boots well. > > In the KGDB version - linux-2.6.13-kgdb-2.3 > The ppc-lite.patch tries to modify the pcore.c which is not available. > > I am not sure wether this affects the serial communication establishment. > > Please help me to solve this. > > Thanks > Sudheer > > > > > > > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >