From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966617AbcAZQ0B (ORCPT ); Tue, 26 Jan 2016 11:26:01 -0500 Received: from mail-wm0-f50.google.com ([74.125.82.50]:37274 "EHLO mail-wm0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966230AbcAZQZ7 (ORCPT ); Tue, 26 Jan 2016 11:25:59 -0500 Date: Tue, 26 Jan 2016 17:26:07 +0100 From: Daniel Vetter To: Maarten Lankhorst Cc: Russell King - ARM Linux , Intel Graphics Development , LKML Subject: Re: [Intel-gfx] [REGRESSION] component: add support for releasing match data Message-ID: <20160126162607.GC11240@phenom.ffwll.local> Mail-Followup-To: Maarten Lankhorst , Russell King - ARM Linux , Intel Graphics Development , LKML References: <56A777B8.1020206@linux.intel.com> <20160126141504.GO10826@n2100.arm.linux.org.uk> <56A78292.7010009@linux.intel.com> <20160126144856.GQ10826@n2100.arm.linux.org.uk> <56A79CF2.4010200@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56A79CF2.4010200@linux.intel.com> X-Operating-System: Linux phenom 4.3.0-1-amd64 User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 26, 2016 at 05:21:06PM +0100, Maarten Lankhorst wrote: > Op 26-01-16 om 15:48 schreef Russell King - ARM Linux: > > On Tue, Jan 26, 2016 at 03:28:34PM +0100, Maarten Lankhorst wrote: > >> Something similar to a segfault. It's trying to call 0x6b6b6b6b6b which > >> is POISON_FREE. > >> > >> mc appears to be freed already, so calling mc->release would jump to > >> invalid data. > > It seems that my devm foo wasn't quite up to scratch. Quite why it > > doesn't show here while testing it (I have patches for the etnaviv > > GPU driver, which I'm regularly inserting/removing) I'm not sure. > > > > Please test this patch - it seems "no worse" for me (in that it didn't > > crash before, and it still doesn't crash.) > That one works, thanks. :) Awesome, applied to the CI-only topic branch to unblock the robots, will fall out automatically once the proper patch lands upstream. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch