From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bill.weihenstephan.org (bill.weihenstephan.org [82.135.35.21]) by ozlabs.org (Postfix) with ESMTP id 3BBCBDDEF0 for ; Thu, 26 Jul 2007 23:11:19 +1000 (EST) From: Juergen Beisert To: linuxppc-embedded@ozlabs.org Subject: Re: [Trace how to] Kernel Bug when entering something after login Date: Thu, 26 Jul 2007 14:45:29 +0200 References: <200707251900.47704.juergen127@kreuzholzen.de> <200707261000.25465.juergen127@kreuzholzen.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200707261445.30391.juergen127@kreuzholzen.de> Cc: linux-rt-users@vger.kernel.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thursday 26 July 2007 14:34, Pradyumna Sampath wrote: > Hi Everyone, > > On 7/26/07, Juergen Beisert wrote: > > On Wednesday 25 July 2007 21:06, Thomas Gleixner wrote: > > > Solution below > > > > Seems to work now. Thanks. > > > > Juergen > > - > > First of all very sorry to cross post. > > I discovered the same problem on our MPC5200 and it after patching, it > now works. But I could somehow not get the call trace and hence could > not report the bug. > > I compiled the kernel with "CONFIG_FUNCTION_TRACE" and then I get > undefined references on "early_printk". Is there something I am doing > wrong in the kernel config or was there an additional patch to enable > this support for MPC5200 ? > > I see more bugs when I run "stress" but I cant solve them or even > report them, because I cant see the trace information. Activate "General setup" -> "Configure standard kernel features (for small systems)" -> "Load all symbols for debugging/ksymoops" Juergen