[Bug 66425] "failed testing IB on ring 5" when suspending to disk

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66425

--- Comment #5 from Austin Lund <austin.lund at gmail.com> ---
Pretty sure the instability has nothing to do with this.

So I guess this bug is about the failing IB test and long delay to resume the
display.

As far as I can tell, this would happen whenever the system suspend fails after
deactivating the drivers and the PM system restarts everything when the system
hasn't actually suspended.  The "pm_test" file just seems to cause an error
return value at an appropriate point in the suspend code.  When the system
actually sleeps the uvd suspend code seems fine, but if it doesn't sleep then
there is this delay.

I'm not sure if this would help in making a work-around.

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