Nouveau - Jan 2014 - [Bug 73445] New: [NV4E] regression with 3.13 -rcX: glxgears etc. hard lockup/freezes machine, on 3.12 everything works

https://bugs.freedesktop.org/show_bug.cgi?id=73445

          Priority: medium
            Bug ID: 73445
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV4E] regression with 3.13 -rcX: glxgears etc. hard
                    lockup/freezes machine, on 3.12 everything works
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: christian.niemeyer at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.0
         Component: Drivers/DRI/nouveau
           Product: Mesa

This seems to be a regression.

Running ubuntu 14.04 development branch. On an old HP G6000 notebook with
GeForce Go 6000, this is NV4E according to my /var/log/Xorg.0.log

With 3.12.0-7-generic everything runs fine. Even basic acceleration in Firefox
and playing games in Steam (like World of Goo or Snuggle Truck - those run
flawlessly). I have OpenGL 2.1 support and Shader Language 1.20 according to
glxinfo

I runs fine on 3.12-x with Mesa 10.0 and also fine with xorg-edergs PPA with
Mesa 10.1.0-devel

However in both cases booting any 3.13 kernel and running the first GL
application like glxgears or starting a game, my system entirely freezes.
Whether I use stock repository or xorg-edgers. So to me this doesn't seem to
be
directly Mesa related, there is some problem with kernel 3.13 definitely. It
freezes reproduceable 100%. No problems with 3.12.

Once I could reat a VT after a while, but it didn't react anymore.

3.13 is going to be the kernel for ubuntu 14.04 LTS. 

Sorry, this is my first bug report, please be kind. I'm not able to get any
log
files after reboot.

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--- Comment #1 from Christian NIemeyer <christian.niemeyer at gmail.com>
---
PS: It's a GeForce Go 6100 ("6000" was typo) but still NV4E
" NOUVEAU(0): Chipset: "NVIDIA NV4E""

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Can you ssh into the machine when this happens? If so, can you look at dmesg?
If not, the output of dmesg even before the hang may prove interesting.

This seems like it'd be pretty easy to bisect -- can you give that a shot?
(git
bisect... if you're not familiar with it, there are dozens of guides online,
as
well as a good man page)

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Oh, and one quick thing to try before you go the bisect route: Try adding
nouveau.config=NvMSI=0 to your kernel cmdline, and see if that helps.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

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

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Marking as invalid as there has been no response in nearly two years. Assuming
the problem fixed itself, esp when we nuked MSI on all the nv4x IGPs.

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