Nouveau - Jun 2017 - [Bug 101587] New: [BISECTED][REGRESSION] Nouveau kernel module (>4.10) on NVA8 renders the system unusable

https://bugs.freedesktop.org/show_bug.cgi?id=101587

            Bug ID: 101587
           Summary: [BISECTED][REGRESSION] Nouveau kernel module (>4.10)
                    on NVA8 renders the system unusable
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: otero.o.daniel at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 132233
  --> https://bugs.freedesktop.org/attachment.cgi?id=132233&action=edit
Kernel dmesg without bug

It happens every single boot. The system becomes unresponsive seconds after
boot and the fan go to full speed until I force the system to shutdown.

Sometimes the screen stays completely black, other times it shows the console
login prompt (no X involved), but the system it's barely usable.

Bisected the offending commit, and resulted this one:
> commit 1e2115d8c0c0da62405400316f5499d909e479bc (refs/bisect/bad)
> Author: Alexandre Courbot <acourbot at nvidia.com>
> Date:   Tue Dec 13 17:11:20 2016 +0900
>  
>     drm/nouveau/pmu: instanciate the falcon in PMU device
I attached the kernel logs with "nouveau.debug=debug" for both the
previous and
the failing commit.

System details:
  > Arch Linux
  > CPU Intel Core i5 480M with Intel Integrated Graphics
  > GPU Nvidia GeForce 310M (with Optimus technology)

Thank you for your time.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://lists.freedesktop.org/archives/nouveau/attachments/20170625/428f3d1d/attachment.html>

https://bugs.freedesktop.org/show_bug.cgi?id=101587

--- Comment #1 from Daniel Otero <otero.o.daniel at gmail.com> ---
Created attachment 132234
  --> https://bugs.freedesktop.org/attachment.cgi?id=132234&action=edit
Kernel dmesg with bug

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://lists.freedesktop.org/archives/nouveau/attachments/20170625/fd4ef148/attachment.html>

https://bugs.freedesktop.org/show_bug.cgi?id=101587

Daniel Otero <otero.o.daniel at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=101368

--- Comment #2 from Daniel Otero <otero.o.daniel at gmail.com> ---
I just find out what it seems to be a previous report of this bug 
(https://bugs.freedesktop.org/show_bug.cgi?id=101368).

But because it doesn't have a clear fix, I'm not sure is the same.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://lists.freedesktop.org/archives/nouveau/attachments/20170626/fbdba628/attachment-0001.html>

https://bugs.freedesktop.org/show_bug.cgi?id=101587

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Yeah, possibly the same bug. But now with a bisect, so much more likely to get
fixed.

The issue is [probably] that the newly called function makes calls to
nvkm_falcon_rd32, which won't work at the ctor stage in optimus setups.

So that logic needs to be reworked. I believe that Ben Skeggs is on it (at
least we discussed it last night).

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://lists.freedesktop.org/archives/nouveau/attachments/20170626/6744bdc9/attachment.html>

https://bugs.freedesktop.org/show_bug.cgi?id=101587

Daniel Otero <otero.o.daniel at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #4 from Daniel Otero <otero.o.daniel at gmail.com> ---
The bug has been fixed some time ago and no longer occurs.

Thanks to all people involved.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://lists.freedesktop.org/archives/nouveau/attachments/20171007/43e1f820/attachment.html>