Nouveau - Sep 2014 - [Bug 83957] New: [NV50 - NVAF][MCP89] Major screen corruption and X crash soon after log in

https://bugs.freedesktop.org/show_bug.cgi?id=83957

          Priority: medium
            Bug ID: 83957
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV50 - NVAF][MCP89] Major screen corruption and X
                    crash soon after log in
        QA Contact: xorg-team at lists.x.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: qc.loic at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 106398
  --> https://bugs.freedesktop.org/attachment.cgi?id=106398&action=edit
Screen corruption

Boots and login fine, then as I open a terminal, there will be some screen
corruption. As I open more windows (firefox) and loads pages the screen gets
worse and worse up till X crashes (can still move the mouse).

I've built the newest linux kernel with the nouveau git (kernel 3.17 rc2+),
also had the problem with stock ubuntu14.04 and with a 3.16 kernel.

The card is an Apple Nvidia Geforce 320M. It doesn't have dedicated memory,
it
uses 256MB from the system ram.


I include the logs, in the syslog, you will see many boots most of them in 3.16
but one in 3.17 at the end. Let me know if I can give you anymore
info/logs/trace.

Thanks

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--- Comment #1 from Lo?c Herry <qc.loic at gmail.com> ---
Created attachment 106399
  --> https://bugs.freedesktop.org/attachment.cgi?id=106399&action=edit
Xorg log

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--- Comment #2 from Lo?c Herry <qc.loic at gmail.com> ---
Created attachment 106400
  --> https://bugs.freedesktop.org/attachment.cgi?id=106400&action=edit
dmesg

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--- Comment #3 from Lo?c Herry <qc.loic at gmail.com> ---
kern.log
http://www.aiklos.com/kern.log

It's huge, will try to post a more up to date (with the 3.17 log) later.

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Emil Velikov <emil.l.velikov at gmail.com> changed:

           What    |Removed                     |Added
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 Attachment #106398|text/plain                  |image/png
          mime type|                            |

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This seems like an extremely unlikely thing to help, but could you try booting
with

nouveau.config=PCE0=1

This should force-enable the copy engine (which is being disabled because we
see bits that we think mean it should be disabled). I suspect things will be
even worse with that, but... worth a shot, I suppose?

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--- Comment #5 from Lo?c Herry <qc.loic at gmail.com> ---
(In reply to comment #4)
> This seems like an extremely unlikely thing to help, but could you try
> booting with
> 
> nouveau.config=PCE0=1
> 
> This should force-enable the copy engine (which is being disabled because
we
> see bits that we think mean it should be disabled). I suspect things will
be
> even worse with that, but... worth a shot, I suppose?
It made things worse. With nouveau.config=PCE0=1 the boot and login screen are
unreadable.

I'm booting in EFI with grub.

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--- Comment #6 from Pierre Moreau <pierre.morrow at free.fr> ---
Created attachment 106504
  --> https://bugs.freedesktop.org/attachment.cgi?id=106504&action=edit
PFB patch

I wonder if this patch could yield some improvements, as your chipset is not
too far away from mine (MCP79: NVAC) and I had kind of similar problems at some
point.

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--- Comment #7 from Lo?c Herry <qc.loic at gmail.com> ---
Hi, unfortunately no.
There was no improvements with the patch.

I compiled with the 3.17 kernel from freedesktop git & the drm-next branch,
Added the patch.

With 3.17 the loading screen is affected so I can't even login.

Ideas or pointers welcome.

Thanks

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Pierre Moreau <pierre.morrow at free.fr> changed:

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #8 from Pierre Moreau <pierre.morrow at free.fr> ---
Hello Loïc,

I tested Nouveau on a friend's laptop (an MBP with an MCP89 as well), and I
don't recall seeing any screen corruption as he used it and played some
games.
It was with kernel ~4.1 IIRC. Are you still experiencing this issue with kernel
4.3 or 4.4?

Sorry for not coming back earlier…

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |MOVED

--- Comment #9 from Martin Peres <martin.peres at free.fr> ---
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