From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hera.kernel.org (hera.kernel.org [140.211.167.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 1129DB7B75 for ; Fri, 18 Sep 2009 02:43:18 +1000 (EST) Message-ID: <4AB25B61.9020609@kernel.org> Date: Fri, 18 Sep 2009 00:53:05 +0900 From: Tejun Heo MIME-Version: 1.0 To: Benjamin Herrenschmidt Subject: Re: 2.6.31-git5 kernel boot hangs on powerpc References: <4AB0D947.8010301@in.ibm.com> <4AB214C3.4040109@in.ibm.com> <1253185994.8375.352.camel@pasglop> In-Reply-To: <1253185994.8375.352.camel@pasglop> Content-Type: text/plain; charset=ISO-8859-1 Cc: Linux/PPC Development , David Miller List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello, Benjamin Herrenschmidt wrote: > On Thu, 2009-09-17 at 16:21 +0530, Sachin Sant wrote: >> The problem seems to have been introduced with >> commit ada3fa15057205b7d3f727bba5cd26b5912e350f. >> >> Specifically this patch : >> powerpc64: convert to dynamic percpu allocator >> >> If i revert this patch i am able to boot latest git >> on a powerpc box. >> >> The kernel is configured with 64K pages. >> Have again attached the config file used. > > Thanks for tracking the commit down. I've tried it today but your config > has everything as modules and that didn't work out very well with my > netboot setup. I'll dig a bit more tomorrow. > > It's probably my fault for not properly getting the time to test Tejun > patches... oh well, that's what being too busy does to you. Ah... sorry about that. Sachin, is it possible for you to build the kernel with debug info and ask gdb where the stalling NIP is in the c file? Thanks. -- tejun