[Nouveau] [Bug 85471] [NV86] nouveau/kernel 3.18.0-rc1: nouveau deadlocks on 2nd Xorg start or reboot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85471

--- Comment #3 from Christian Vogel <vogelchr at vogel.cx> ---
Created attachment 108440
  --> https://bugs.freedesktop.org/attachment.cgi?id=108440&action=edit
Disassembly of nouveau_pmops_runtime_suspend

As the only nouveau-specific thing in the kernel-stack-trace seems to be
nouveau_pmops_runtime_suspend, I'm adding a disassembly.

Unfortunately the two calls to pm_runtime_forbid() can't even be distinguished,
as there's only one call, and the 2nd one is optimized by gcc to a branch
upwards, I've marked the actual location from the stacktrace with #####.

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