From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bos-spam.mrv.com (mx5.mrv.com [140.179.254.12]) by ozlabs.org (Postfix) with ESMTP id 329C5B7BC2 for ; Wed, 30 Sep 2009 19:00:08 +1000 (EST) Date: Wed, 30 Sep 2009 02:00:02 -0700 From: Rex Feany To: Joakim Tjernlund Subject: Re: [PATCH] powerpc/8xx: fix regression introduced by cache coherency rewrite Message-ID: <20090930090002.GA2928@compile2.chatsunix.int.mrv.com> References: <1253843480.7103.492.camel@pasglop> <20090929012106.GA22798@compile2.chatsunix.int.mrv.com> <1254208057.5771.7.camel@pasglop> <1254212198.5256.0.camel@pasglop> <20090929210331.GA25779@laura.chatsunix.int.mrv.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Cc: "linuxppc-dev@ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Thus spake Joakim Tjernlund (joakim.tjernlund@transmode.se): > > Ok, I have made some minor tweaks and added debug code in > > do_page_fault(). Would be great if you could try on both > > .31 and top of tree. > > > > Jocke > > OOPS, found a bug. Use this one instead: .31 - no change, it worked before your patch and it works after. None of your debugging printks show up. I tried removing the tlbil_va() from do_dcache_icache_coherency() and userspace goes back to be being slow/non functional. top of tree - userspace is slow and unstable, random segfaults, and none of your debugging printks show up :( take care! /rex