[Nouveau] [Bug 70354] [NVE7] Failed to initialise context object: 2D_NVC0 (0) (for my GeForce GT 750M)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70354

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Failed to initialise        |[NVE7] Failed to initialise
                   |context object: 2D_NVC0 (0) |context object: 2D_NVC0 (0)
                   |(for my GeForce GT 750M)    |(for my GeForce GT 750M)

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Looks like a PGRAPH init failure, here's the relevant bit:

[   34.393155] nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT
at 0x300000 [ IBUS ]
[   34.393201] nouveau E[   PIBUS][0000:01:00.0] GPC0: 0x419eb4 0xbadf1000
(0x3800820c)
[   36.395442] nouveau E[  PGRAPH][0000:01:00.0] HUB_INIT timed out
[   36.395451] nouveau E[  PGRAPH][0000:01:00.0] 409000 - done 0x00000244
[   36.395462] nouveau E[  PGRAPH][0000:01:00.0] 409000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[   36.395472] nouveau E[  PGRAPH][0000:01:00.0] 409000 - stat 0x00000000
0x00000000 0x00000002 0x00000009
[   36.395477] nouveau E[  PGRAPH][0000:01:00.0] 502000 - done 0x00000300
[   36.395484] nouveau E[  PGRAPH][0000:01:00.0] 502000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[   36.395490] nouveau E[  PGRAPH][0000:01:00.0] 502000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[   36.395492] nouveau E[  PGRAPH][0000:01:00.0] init failed, -16

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