[Nouveau] [Bug 58378] [NV86] Distorted graphics on NVIDIA GeForce 8400M G after upgrade the kernel to 3.7.0 version

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58378

--- Comment #57 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #55)
> > > [aloew at aloew-lap envytools-master]$ ./nva/nvapoke 10200c 10
> > > WARN: Can't probe 0000:01:00.0
> > > PCI init failure!
> 
> > You need to run these as root.
> 
> Ouch - sorry - could have indeed had this idea myself... :-(
> 
> Here are the results as root:
> 
> [aloew at aloew-lap envytools-master]$ sudo ./nva/nvapeek 10200c 10
> 0010200c: SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS

nvapeek 10200c without the 10. (Not sure what that does.... maybe reads out
0x10 regs)

> [aloew at aloew-lap envytools-master]$ sudo ./nva/nvapoke 10200c 10
> 0010200c: ERR S

Oh well. Some sort of error.

> [aloew at aloew-lap envytools-master]$ sudo ./nva/nvapeek 10200c 10
> 0010200c: SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS
> [aloew at aloew-lap envytools-master]$ 
> 
> And no new messages in "dmesg" output at all. Still not enlightening... :-(

Well, no one's heard of a "missing" PCRYPT before, but it's certainly
conceivable that certain blocks were omitted. I'd feel better with that
diagnosis if more people chimed in saying that they had the same issue.

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