From owner-freebsd-current@FreeBSD.ORG Tue Oct 7 19:37:02 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9692A680 for ; Tue, 7 Oct 2014 19:37:02 +0000 (UTC) Received: from mail.egr.msu.edu (hill.egr.msu.edu [35.9.37.162]) by mx1.freebsd.org (Postfix) with ESMTP id 68D0E3E0 for ; Tue, 7 Oct 2014 19:37:01 +0000 (UTC) Received: from hill (localhost [127.0.0.1]) by mail.egr.msu.edu (Postfix) with ESMTP id 5BB8E2952E; Tue, 7 Oct 2014 15:37:00 -0400 (EDT) X-Virus-Scanned: amavisd-new at egr.msu.edu Received: from mail.egr.msu.edu ([127.0.0.1]) by hill (hill.egr.msu.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GDM8ZfSLPU3B; Tue, 7 Oct 2014 15:37:00 -0400 (EDT) Received: from EGR authenticated sender Message-ID: <543440DC.2020105@egr.msu.edu> Date: Tue, 07 Oct 2014 15:37:00 -0400 From: Adam McDougall User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 To: Konstantin Belousov Subject: Re: i915 driver update testing References: <20141003170258.GG26076@kib.kiev.ua> <54315D3A.3090902@egr.msu.edu> <20141005170007.GZ26076@kib.kiev.ua> <5433260C.5050901@egr.msu.edu> <20141007042043.GG26076@kib.kiev.ua> <5433E408.2010601@egr.msu.edu> <20141007164419.GB2153@kib.kiev.ua> <54342C06.8090107@egr.msu.edu> <20141007182445.GE2153@kib.kiev.ua> In-Reply-To: <20141007182445.GE2153@kib.kiev.ua> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Oct 2014 19:37:02 -0000 On 10/07/2014 14:24, Konstantin Belousov wrote: > On Tue, Oct 07, 2014 at 02:08:06PM -0400, Adam McDougall wrote: >> On 10/07/2014 12:44, Konstantin Belousov wrote: >>> On Tue, Oct 07, 2014 at 09:00:56AM -0400, Adam McDougall wrote: >>>> >>>> On 10/7/2014 12:20 AM, Konstantin Belousov wrote: >>>>> On Mon, Oct 06, 2014 at 07:30:20PM -0400, Adam McDougall wrote: >>>>>> On 10/05/2014 13:00, Konstantin Belousov wrote: >>>>>>> On Sun, Oct 05, 2014 at 11:01:14AM -0400, Adam McDougall wrote: >>>>>>>> (kgdb) #0 doadump (textdump=1) at pcpu.h:219 >>>>>>>> #1 0xffffffff80661efd in kern_reboot (howto=260) >>>>>>>> at /usr/src/sys/kern/kern_shutdown.c:447 >>>>>>>> #2 0xffffffff80662450 in panic (fmt=) >>>>>>>> at /usr/src/sys/kern/kern_shutdown.c:746 >>>>>>>> #3 0xffffffff808fe52f in trap_fatal (frame=, >>>>>>>> eva=) at /usr/src/sys/amd64/amd64/trap.c:866 >>>>>>>> #4 0xffffffff808fe87c in trap_pfault (frame=0xfffffe01fe0b21b0, >>>>>>>> usermode=) at /usr/src/sys/amd64/amd64/trap.c:677 >>>>>>>> #5 0xffffffff808fde9e in trap (frame=0xfffffe01fe0b21b0) >>>>>>>> at /usr/src/sys/amd64/amd64/trap.c:426 >>>>>>>> #6 0xffffffff808e00a2 in calltrap () >>>>>>>> at /usr/src/sys/amd64/amd64/exception.S:231 >>>>>>>> #7 0xffffffff8166808e in i915_write32 (dev_priv=0xfffff800031f1c00, >>>>>>>> reg=20736, val=0) >>>>>>>> at >>>>>>>> /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_drv.c:992 >>>>>>> In kgdb, from this frame, please do >>>>>>> p *dev_priv >>>>>>> p *(dev_priv->dev) >>>>>>> p *(dev_priv->info) >>>>>> http://www.egr.msu.edu/~mcdouga9/i915-1b.txt >>>>>> >>>>>> Sorry for the delay. I duplicated this on a spare computer of the same >>>>>> model so I can test easier. >>>>> Great, thank you. Please also do, from the frame 12, >>>>> p *dev >>>>> >>>> http://www.egr.msu.edu/~mcdouga9/i915-2.txt >>> >>> From the same frame, please do >>> p *(struct drm_i915_private *)(dev->private) >>> >> >> (kgdb) f 12 >> #12 0xffffffff81681bd7 in intel_modeset_init (dev=0xfffff80003bd9000) >> at >> /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/intel_display.c:6603 >> 6603 found = intel_sdvo_init(dev, PCH_SDVOB, true); >> Current language: auto; currently minimal >> (kgdb) p *(struct drm_i915_private *)(dev->private) >> There is no member named private. > It is dev_private, typo. > I actually took a guess at that too, but this didn't look helpful: (kgdb) p *(struct drm_i915_private *)(dev_private) No symbol "dev_private" in current context.