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From: Peter Zijlstra <peterz@infradead.org>
To: Mike Galbraith <efault@gmx.de>
Cc: Ilia Mirkin <imirkin@alum.mit.edu>,
	LKML <linux-kernel@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"nouveau@lists.freedesktop.org" <nouveau@lists.freedesktop.org>,
	David Airlie <airlied@linux.ie>, Ben Skeggs <bskeggs@redhat.com>,
	jeyu@kernel.org
Subject: Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335
Date: Fri, 14 Jul 2017 17:50:47 +0200	[thread overview]
Message-ID: <20170714155047.2zs3ps7cmnyvvwgb@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1500039368.5763.12.camel@gmx.de>

On Fri, Jul 14, 2017 at 03:36:08PM +0200, Mike Galbraith wrote:
> Ok, a network outage gave me time to go hunting.  Indeed it is a bad
> interaction with the tree DRM merged into.  All DRM did was to slip a
> WARN_ON_ONCE() that nouveau triggers into a kernel module where such
> things no longer warn, they blow the box out of the water.  I made a
> dinky testcase module (attached), and bisected to the real root....
> 
> 19d436268dde95389c616bb3819da73f0a8b28a8 is the first bad commit
> commit 19d436268dde95389c616bb3819da73f0a8b28a8
> Author: Peter Zijlstra <peterz@infradead.org>
> Date:   Sat Feb 25 08:56:53 2017 +0100
> 
>     debug: Add _ONCE() logic to report_bug()

Urgh, is for some mysterious reason the __bug_table section of modules
ending up in RO memory?

I forever get lost in that link magic :/

  parent reply	other threads:[~2017-07-14 15:50 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-11 17:32 [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith
     [not found] ` <1499794333.5315.8.camel-Mmb7MZpHnFY@public.gmane.org>
2017-07-11 17:51   ` Ilia Mirkin
2017-07-11 18:08     ` Mike Galbraith
     [not found]       ` <1499796510.5315.27.camel-Mmb7MZpHnFY@public.gmane.org>
2017-07-11 18:22         ` Ilia Mirkin
2017-07-11 18:53           ` Mike Galbraith
2017-07-12  7:45             ` Mike Galbraith
2017-07-12  9:55           ` Mike Galbraith
2017-07-12 11:25             ` Mike Galbraith
2017-07-12 11:37               ` Ilia Mirkin
2017-07-12 17:19                 ` Mike Galbraith
     [not found]                   ` <1499879972.23742.50.camel-Mmb7MZpHnFY@public.gmane.org>
2017-07-12 19:33                     ` Tobias Klausmann
2017-07-14 13:36                 ` Mike Galbraith
2017-07-14 13:41                   ` Mike Galbraith
     [not found]                     ` <1500039693.5763.15.camel-Mmb7MZpHnFY@public.gmane.org>
2017-07-14 15:05                       ` Tobias Klausmann
     [not found]                         ` <6341f91f-1c56-2188-f55b-2f47d23262fc-AqjdNwhu20eELgA04lAiVw@public.gmane.org>
2017-07-14 15:10                           ` Karol Herbst
2017-07-14 15:15                             ` [Nouveau] " Mike Galbraith
     [not found]                               ` <1500045346.5763.21.camel-Mmb7MZpHnFY@public.gmane.org>
2017-07-14 15:16                                 ` Ilia Mirkin
2017-07-14 15:19                             ` [Nouveau] " Tobias Klausmann
     [not found]                               ` <31d327dd-bc3d-cb80-45a9-6a8eb9eb2a9d-AqjdNwhu20eELgA04lAiVw@public.gmane.org>
2017-07-14 15:20                                 ` Ilia Mirkin
2017-07-14 15:55                                   ` [Nouveau] " Peter Zijlstra
2017-07-14 15:11                         ` Mike Galbraith
2017-07-14 15:50                   ` Peter Zijlstra [this message]
2017-07-14 15:58                     ` Mike Galbraith
2017-07-14 16:10                       ` Peter Zijlstra
2017-07-14 16:33                         ` Mike Galbraith
2017-07-14 19:42                           ` Josh Poimboeuf
2017-07-15  2:45                             ` Mike Galbraith
2017-07-17 17:20                         ` Jessica Yu

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