[Bug 101587] New: [BISECTED][REGRESSION] Nouveau kernel module (>4.10) on NVA8 renders the system unusable - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 101587] New: [BISECTED][REGRESSION] Nouveau kernel module (>4.10) on NVA8 renders the system unusable
Date: Sun, 25 Jun 2017 17:09:12 +0000	[thread overview]
Message-ID: <bug-101587-8800@http.bugs.freedesktop.org/> (raw)

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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-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: otero.o.daniel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.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-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> 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.

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