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Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335

From Mike Galbraith <efault@gmx.de>
Newsgroups linux.kernel
Subject Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335
Date 2017-07-11 21:00 +0200
Message-ID <u28y6-5YV-29@gated-at.bofh.it> (permalink)
References <u27iG-5fz-9@gated-at.bofh.it> <u27C1-5m0-5@gated-at.bofh.it> <u27LI-5Eg-29@gated-at.bofh.it> <u2853-5KF-3@gated-at.bofh.it>
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On Tue, 2017-07-11 at 14:22 -0400, Ilia Mirkin wrote:
> 
> OK, thanks. So in other words, a fairly standard desktop with a PCIe
> board plugged in. No funny business. (Laptops can create a ton of
> additional weirdness, which I assumed you had since you were talking
> about STR.)

Yup, garden variety deskside box.

> My best guess is that gf119_head_vblank_put either has a bogus head id
> (should be in the 0..3 range) which causes it to do an out-of-bounds
> read on MMIO space, or that the MMIO mapping has already been removed
> by the time nouveau_display_suspend runs. Adding Ben Skeggs for
> additional insight.
> 
> Some display stuff did change for 4.13 for GM20x+ boards. If it's not
> too much trouble, a bisect would be pretty useful.

Vacation -> back to work happens in the very early AM, so bisection
will have to wait a bit.

	-Mike

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Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Ilia Mirkin <imirkin@alum.mit.edu> - 2017-07-11 20:00 +0200
  Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-11 20:10 +0200
    Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Ilia Mirkin <imirkin@alum.mit.edu> - 2017-07-11 20:30 +0200
      Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-11 21:00 +0200
        Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-12 09:50 +0200
      Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-12 12:00 +0200
        Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-12 13:30 +0200
          Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Ilia Mirkin <imirkin@alum.mit.edu> - 2017-07-12 13:40 +0200
            Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-12 19:30 +0200
              Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de> - 2017-07-12 21:50 +0200
            Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 15:40 +0200
              Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 15:50 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de> - 2017-07-14 17:10 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Ilia Mirkin <imirkin@alum.mit.edu> - 2017-07-14 17:20 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Karol Herbst <karolherbst@gmail.com> - 2017-07-14 17:20 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 17:20 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de> - 2017-07-14 17:20 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Ilia Mirkin <imirkin@alum.mit.edu> - 2017-07-14 17:30 +0200
                Re: [Nouveau] [regression drm/noveau] suspend to ram -> BOOM:  exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335 Peter Zijlstra <peterz@infradead.org> - 2017-07-14 18:00 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 17:20 +0200
              Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Peter Zijlstra <peterz@infradead.org> - 2017-07-14 18:00 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 18:00 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Peter Zijlstra <peterz@infradead.org> - 2017-07-14 18:20 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-14 18:40 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Josh Poimboeuf <jpoimboe@redhat.com> - 2017-07-14 21:50 +0200
                Re: [regression drm/noveau] suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Mike Galbraith <efault@gmx.de> - 2017-07-15 04:50 +0200
                Re: suspend to ram -> BOOM: exception RIP:  drm_calc_vbltimestamp_from_scanoutpos+335 Jessica Yu <jeyu@kernel.org> - 2017-07-17 19:30 +0200

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