[Nouveau] [Bug 67878] [NV98] [BISECTED] Hardware freeze after resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67878

--- Comment #37 from Brian <computersforpeace at gmail.com> ---
I've been following this ticket and attempting to poke around a bit. I just
tested my hardware with various points in the 3.6, 3.7, and 3.7-rc kernels, and
all of those still gave me a non-responsive screen with messages like the
following after resume. e.g., on Linux 3.6:

[  161.192867] [drm] nouveau 0000:01:00.0: Failed to idle channel 2.
[  164.355897] [drm] nouveau 0000:01:00.0: Failed to idle channel 4.

or on Linux 3.7.9:

[  336.337207] nouveau E[    3134] failed to idle channel 0xcccc0000

None of these builds give me a PAGE_NOT_PRESENT error, though. This makes it
hard to bisect, as I can't find any working point to test...

My hardware:

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT218M [NVS 3100M]
[10de:0a6c] (rev a2) (prog-if 00 [VGA controller])
    Subsystem: Dell Device [1028:040a]
    Flags: bus master, fast devsel, latency 0, IRQ 16
    Memory at e2000000 (32-bit, non-prefetchable) [size=16M]
    Memory at d0000000 (64-bit, prefetchable) [size=256M]
    Memory at e0000000 (64-bit, prefetchable) [size=32M]
    I/O ports at 7000 [size=128]
    Expansion ROM at e3000000 [disabled] [size=512K]
    Capabilities: [60] Power Management version 3
    Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
    Capabilities: [78] Express Endpoint, MSI 00
    Capabilities: [b4] Vendor Specific Information: Len=14 <?>
    Capabilities: [100] Virtual Channel
    Capabilities: [128] Power Budgeting <?>
    Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
    Kernel driver in use: nouveau

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