Nouveau - Apr 2014 - [Bug 77586] New: [NV98] On recent Linux kernel (3.13 and 3.14), the GPU locks up around the time an X server starts

https://bugs.freedesktop.org/show_bug.cgi?id=77586

          Priority: medium
            Bug ID: 77586
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV98] On recent Linux kernel (3.13 and 3.14), the GPU
                    locks up around the time an X server starts
        QA Contact: xorg-team at lists.x.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jkloos at mpi-sws.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 97525
  --> https://bugs.freedesktop.org/attachment.cgi?id=97525&action=edit
dmesg output, as of running Linux 3.14

On my laptop, the GPU reproducably locks up when booting Linux 3.13 or 3.14.

Hardware set-up:
* NV98; lspci gives
  VGA compatible controller: NVIDIA Corporation G98M [Quadro NVS 160M] (rev a1)
* Dual-head set-up. One connected monitor is the laptop screen, the other
  is an HDMI monitor.
* x86-64 system (Dell Latitude E6400)

Software:
* The attached dmesg is from running Linux 3.14.1, as downloaded from
  kernel.org. I have applied a small patch as suggested by
  RSpliet and xexaxo^ on IRC.
* libdrm: Installed from Debian unstable, package version: libdrm-nouveau2
2.4.52-1
* Xorg: Also from Debian unstable, package version: 1:7.7+1 (i.e., Xorg 7.7).

Error description: During boot-up, an X server seems to start up. The
X server process is running, and the system switches to a fresh VT, but
it seems that graphics are not initialized at all, and the X server is stuck.
In particular, nothing remotely resembling a gdm session shows up, and the
keyboard is not responsive (except Magic Sysrq).
When switching to a console, a kernel message about a GPU lockup (see dmesg)
appears.

Furthermore, booting the system with an old kernel (verified for Linux 3.2.42,
using an old Debian package), X starts up normally.

Attached: dmesg output. I will add further information in additional messages.

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https://bugs.freedesktop.org/show_bug.cgi?id=77586

--- Comment #1 from Johannes Kloos <jkloos at mpi-sws.org> ---
Created attachment 97526
  --> https://bugs.freedesktop.org/attachment.cgi?id=97526&action=edit
ROM dump.

JFTR: Output of vbtracetool
Using card 10de:06eb on 0100
Nvidia card -- using PROM/PRAMIN BIOS
Using card memory region at 0xf5000000
Attempting to locate BIOS image in PROM... BIOS signature not found
Attempting to locate BIOS image in PRAMIN... appears to be valid

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https://bugs.freedesktop.org/show_bug.cgi?id=77586

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

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

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/103.

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