[Bug 199025] Suspend hangs. Never fully suspends and impossible to return to running state.

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=199025

todd (toddsmb at gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|4.15.x                      |4.15.x and 4.16.x

--- Comment #22 from todd (toddsmb at gmail.com) ---
@Chen,

I'm going to be tied up for a few weeks, due to a larger than normal workload.
So I won't have time to mess with this bug right now.
In the mean time I will try blacklisting all vid drivers and see what happens.
Although I suspect it will act the same as when the X display manager is
disabled by setting multi-user.target.
But I know it won't be any time this week. Maybe mid next week if I'm lucky.


For the time being though, there are 3 work-arounds listed here that fix the
problem.

1) Change runlevel from 5 to 3 (permanent fix - see opening post + comment #6).

2) Restart your X display manager once you log in. For instance Xfce spins use
Lightdm.  (Temporary fix that lasts until the system is rebooted).
 * See comemnt #16

3) Install another video driver and blacklist Nouveau (permanent fix but a big
hassle if you run secure boot).
 * see comment #5 for manual Nvidia driver install or see comment #7 for
external repository to install Nvidia driver.

I personally don't know anything about the repo listed in comment #7. Whereas
in comment #5, you are downloading directly from Nvidia themselves.

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