[Nouveau] [Bug 91333] Connecting second of two monitors to a Lenovo W520 causes displays to go crazy

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91333

--- Comment #7 from Corey Ashford <cjashfor at us.ibm.com> ---
In both of these log files is a line like the following:

 48.693955] nouveau E[   PDISP][0000:01:00.0] INVALID_STATE [UNK05] chid 0 mthd
0x0080 data 0x00000000

Followed by a dump of what appears to be internal Nouveau driver state:

[   48.693960] nouveau E[   PDISP][0000:01:00.0] Core:
[   48.693966] nouveau E[   PDISP][0000:01:00.0]     0x0084: 0x019e02e2 ->
0x00000000
[   48.693972] nouveau E[   PDISP][0000:01:00.0]     0x0088: 0xf0000000         
[   48.693973] nouveau E[   PDISP][0000:01:00.0] Core - DAC 0:
[   48.693978] nouveau E[   PDISP][0000:01:00.0]     0x0400: 0x00000000         
[   48.693984] nouveau E[   PDISP][0000:01:00.0]     0x0404: 0x00000000         
[   48.693989] nouveau E[   PDISP][0000:01:00.0]     0x0420: 0x00010000         
[   48.693990] nouveau E[   PDISP][0000:01:00.0] Core - DAC 1:
[   48.693995] nouveau E[   PDISP][0000:01:00.0]     0x0480: 0x00000000         


Is this normal behavior?

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