Fwd: Re: EXTERNAL: Re: After suspension

["Wells, Roger K." <wellsr@xxxxxxxxxx>]

sorry mistakenly sent to individual (Jared K Smith)

-------- Forwarded Message --------

Subject:	Re: EXTERNAL: Re: After suspension
Date:	Wed, 21 Mar 2018 13:23:22 -0400
From:	Wells, Roger K. <wellsr@xxxxxxxxxx>
To:	Jared K. Smith <jsmith@xxxxxxxxxxxxxxxxx>

On 01/06/2018 09:20 PM, Jared K. Smith wrote:

(Apologies for the top-posting -- I'm on a mobile device at the moment.)

Interesting... I noticed something similar today, but with a WebDAV external filesystem mounted.  Turning off fprintd seemed to stop the delay, however.  Does turning off fprintd solve the problem for you as well?

sorry for the huge delay.  fprintd is not run on this machine.
more below

-Jared

On Thu, Jan 4, 2018 at 8:18 AM, Wells, Roger K. <wellsr@xxxxxxxxxx> wrote:

On 01/02/2018 01:18 PM, Al Stone wrote:

On 12/26/2017 12:23 PM, Wells, Roger K. wrote:

Small inconvenience but new and annoying:
Machine is Thinkpad x260
uname -a: Linux rwells-x260 4.14.7-300.fc27.x86_64 #1 SMP Mon Dec 18 16:06:12
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Desktop: Gnome 3.26.4-1.fc27.x86_64

When the lid is opened on the suspended machine the screen saver appears and the
clock proceeds to update until
the enter key is hit.  Then the clock stops updating for 27 seconds followed by
the login entry dialog appearing.
Then everything is back to normal.
This began right after the upgrade from F26 to F27 and has persisted through one
or two subsequent routine updates.
There are inconsistencies, sometimes it only does it when there is only wireless
connections and no wired options.
Sometimes it doesn't do it at all, no pattern here.
Sometimes the 27 second delay is much shorter but this is quite rare.
I have been running Fedora/Gnome for years and have never seen this.

Any thoughts or things to try to help pin it down will be appreciated.

thanks

There have been a lot of recent changes in ACPI code for suspend and hibernate;
it's always possible that something got tweaked in a recent kernel that could
affect this particular model of machine.

That being said, the 27 second delay sounds like the laptop hibernated (not
suspended); if you waited a variable length of time to open the lid again, it
might explain some of the variation -- sometimes it suspended, sometimes it was
caught before hibernation was complete, sometime it was caught after it had
fully hibernated.  The other things that occur to me are that perhaps hibernate
was not working before for this model of laptop and now it does; or, the power
settings changed defaults, or did not retain settings when updating; or, some
of the recent changes for lid notification aren't quite right for this laptop
(there have been a few cases of that).  Those are some of the places where I
would start looking, at least...

It turns out that this delay only occurs when the suspend happened when an external filesystem is mounted.
In this case a cifs mount, and IIRC there have been some issues related to version changes that necessitated specifying "vers=1.0" in the fstab file.
I will do some experiments and report back if anything interesting develops.

To clarify: the external filesystem is a wired network cifs mounted filesystem.  I suspend the system by closing the lid, without bothering to unmount the cifs filesystems.   Later when I open the lid if the network wire is plugged in all is good, no delay.  If the network wire is not plugged in I get the delay (~30secs while something times out) after that all works as expected.  The issue is this: I have been using the same setup back to fedora 16 or so without this issue.  At about the transition from f26 to f27 this issue developed.  It is not fatal just inconvenient and I expect that developers would like to see it go away (a bit amateurish, and yes I am a developer as well)

--
Roger Wells, P.E.
leidos
221 Third St
Newport, RI 02840
401-847-4210 (voice)
401-849-1585 (fax)
roger.k.wells@xxxxxxxxxx
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-- 
Roger Wells, P.E.
leidos
221 Third St
Newport, RI 02840
401-847-4210 (voice)
401-849-1585 (fax)
roger.k.wells@xxxxxxxxxx

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