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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV86] Distorted graphics on NVIDIA GeForce 8400M G after upgrade the kernel to 3.7.0 version"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58378#c81">Comment # 81</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV86] Distorted graphics on NVIDIA GeForce 8400M G after upgrade the kernel to 3.7.0 version"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58378">bug 58378</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=58378#c80">comment #80</a>)
<span class="quote">> Hello,
>
> I have the same NVIDIA GeForce NVS 130M with the disabled functions.
> I checked with nvapeek:
> 0000154c: 0000009c
> 00001540: b1010001
>
> uname -a delivers
> Linux mobuntu 3.11.0-15-generic #23-Ubuntu SMP Mon Dec 9 18:17:04 UTC 2013
> x86_64 x86_64 x86_64 GNU/Linux
>
> I do not have any issues with distorted graphics during normal usage but my
> problem is that resume from suspend mode makes X hang.
>
> I also have these errors in dmesg
>
> [ 18.985158] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000000
> FAULT at 0x00fd94
> [ 18.986213] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000000
> FAULT at 0x103d94
> [ 19.026027] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000010
> FAULT at 0x10200c</span >
These errors should go away with the patch.
<span class="quote">>
> but also
>
> [ 18.984164] nouveau E[ PTHERM][0000:01:00.0] unhandled intr 0x00000161</span >
I believe this is unrelated.
<span class="quote">>
> When I use the kernel option nouveau.config=PCRYPT=0 it doesn't eliminate
> the errors and X still hangs when resuming.</span >
It should eliminate the 10200c error. The others are from PVP and PBSP, you
could do like nouveau.config=PCRYPT=0,PVP=0,PBSP=0,PMPEG=0 -- that should have
the same effect as my patch for your hardware. (I think.)
<span class="quote">> I was not sure if I have to set the parameter in quotes.</span >
Not necessary, but I *think* it'll work with quotes as well. Not sure.
<span class="quote">> As you can see I'm not a linux specialist ;)</span >
OK, then you have some different issue. I would recommend filing a fresh issue
with all the relevant info.</pre>
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