[Nouveau] [Bug 64774] nouveau GF108 kernel crash in optimus mode when enabling external display output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64774

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Would be nice to see the output of

gdb /lib/modules/..../nvidia.ko

disassemble nvc0_vm_map_sg

Looks like there's a null deref in there (CR2 = 0). Although I think that
optimus mode isn't supposed to be well-supported right now. But we still
shouldn't be oopsing the kernel.

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