[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

--- Comment #6 from 4712.joey at gmail.com ---
Think I have the same problem on my Geforce GT 750M on Asus N750JV laptop.

I'm using Manjaro Linux and tried it with Kernel 3.11 and 3.12. 

After fixing the loading of the vbios (see
https://bugs.freedesktop.org/show_bug.cgi?id=70208) I get the following
message:

 Failed to initialise context object: 2D_NVC0 (0)

When I extract the firmware and load the nouveau kernel module with
config=NvGrUseFw=1 I'm getting this error on dmesg when starting X:

 [   43.161759] nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT
at 0x300000 [ IBUS ]
 [   43.161803] nouveau E[   PIBUS][0000:01:00.0] GPC0: 0x419eb4 0xbadf1000
(0x3800820c)
 [   45.164110] nouveau E[  PGRAPH][0000:01:00.0] fuc09 req 0x10 timeout
 [   45.164114] nouveau E[  PGRAPH][0000:01:00.0] init failed, -16


I will attach the full dmesg for both kernels, with and without using external
firmware. Please also note that I extracted the firmware myself and I'm not
sure if the generated firmware files are correct.

In addition I will send mmiotrace of the working nvidia blob driver to mmio dot
dumps at gmail dot com.

If you need more information or if I can support you in any way having a closer
look at this, please just let me know :-)

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