From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: Page faults with 3.6.11-rt30 but not with 3.6.11-rt25 Date: Fri, 22 Mar 2013 21:48:49 +0100 (CET) Message-ID: References: <1363963600.6345.102.camel@gandalf.local.home> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: "Koehrer Mathias (ETAS/ESS2)" , "linux-rt-users@vger.kernel.org" To: Steven Rostedt Return-path: Received: from www.linutronix.de ([62.245.132.108]:38748 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422911Ab3CVUsw (ORCPT ); Fri, 22 Mar 2013 16:48:52 -0400 In-Reply-To: <1363963600.6345.102.camel@gandalf.local.home> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, 22 Mar 2013, Steven Rostedt wrote: > On Fri, 2013-03-22 at 09:46 +0000, Koehrer Mathias (ETAS/ESS2) wrote: > Doing a diff between the two kernels, it looks like there was a bit of > work on highmem (the stuff that lets you use more than 1 Gig of memory > on a 32 bit system). I haven't looked too deep at the bug, but if you > apply the following patch, do you get a stable system again? > > (this is a revert of "highmem: Store ptes right away in the task > struct") I'm about to release an 3.6 update which fixes that.