[Bug 97515] System lockups with 4.7 kernel with PSR enabled, general unstability since 4.5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97515

--- Comment #8 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to Ruud van Asseldonk from comment #7)
> To summarise: I had i915.enable_psr=1 enabled on 4.4.5-1-ARCH, and that
> worked fine. On later kernels this resulted in instabilities, so I disabled
> PSR. My system is now stable again, but now I don’t have PSR.
> 
> I did not enable PSR to work around another bug, I enabled it to save power.

Looks like I misunderstood you. Thanks for the clarification.

> 
> Using PSR with later kernels is still an issue (or maybe this has been
> fixed, frankly I have not tried enabling PSR again after reporting this),
> but if you are aware of this and if you have more specific reports for what
> is happening there then feel free to close this one.

Yes, PSR is known to cause problems on all platforms, unfortunately, so it's
staying disabled by default for now.

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