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<b><a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED INVALID - System lockups with 4.7 kernel with PSR enabled, general unstability since 4.5"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97515#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED INVALID - System lockups with 4.7 kernel with PSR enabled, general unstability since 4.5"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97515">bug 97515</a>
from <span class="vcard"><a class="email" href="mailto:przanoni@gmail.com" title="Paulo Zanoni <przanoni@gmail.com>"> <span class="fn">Paulo Zanoni</span></a>
</span></b>
<pre>(In reply to Ruud van Asseldonk from <a href="show_bug.cgi?id=97515#c7">comment #7</a>)
<span class="quote">> 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.</span >
Looks like I misunderstood you. Thanks for the clarification.
<span class="quote">>
> 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.</span >
Yes, PSR is known to cause problems on all platforms, unfortunately, so it's
staying disabled by default for now.</pre>
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