From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 8EE7BDDD04 for ; Sun, 21 Dec 2008 20:40:29 +1100 (EST) Subject: Re: Commits added to powerpc.git next and master branches From: Benjamin Herrenschmidt To: Grant Likely In-Reply-To: <1229851937.13001.57.camel@pasglop> References: <18765.58426.49381.986612@cargo.ozlabs.ibm.com> <1229851937.13001.57.camel@pasglop> Content-Type: text/plain Date: Sun, 21 Dec 2008 20:40:23 +1100 Message-Id: <1229852423.13001.58.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, 2008-12-21 at 20:32 +1100, Benjamin Herrenschmidt wrote: > On Sun, 2008-12-21 at 02:07 -0700, Grant Likely wrote: > > Hey Paul, > > > > Top of your -next tree fails with a stack overflow on the MPC5200 when > > attempting to mount an NFS rootfs (log below). I haven't had a chance > > to bisect yet, but I'm posting this in case someone has already seen > > and solved this. > > >From the NIP & LR values, it looks like it could be my fault. > > MPC5200 is a 603 core right ? Looks like a brown paper bag for me. Try this: Index: linux-work/arch/powerpc/mm/hash_low_32.S =================================================================== --- linux-work.orig/arch/powerpc/mm/hash_low_32.S 2008-12-21 20:38:10.000000000 +1100 +++ linux-work/arch/powerpc/mm/hash_low_32.S 2008-12-21 20:38:14.000000000 +1100 @@ -709,3 +709,4 @@ _GLOBAL(_tlbia) tlbia sync #endif /* CONFIG_SMP */ + blr