Latency when screensaver active

[Bill Moseley]

Trying once again.  If I'm barking up the wrong email list where should I
look instead?

On Fri, Aug 10, 2007 at 11:42:58AM -0700, Bill Moseley wrote:
> This is an odd problem and I'm hoping someone has ideas where to look.
> 
> I have a Thinkpad T60p that I sometimes will connect to my wired LAN,
> boot the laptop and close the lid.  I then connect to it via ssh.
> 
> At the 10 minute mark when the screen saver kicks in the ssh session
> exhibits latency -- it become very hard to type in my xterm as there's
> quite a bit of delay when typing.  This will continue until 20 minutes
> when dpms turns off the display.
> 
> What I typically do now is once I ssh in I run:
> 
>  XAUTHORITY=/var/lib/gdm/:0.Xauth /usr/bin/xset -display :0.0 dpms force off
> 
> to force the display off an then the latency goes away.
> 
> When the latency shows up there's no additional load on the machine,
> no programs are showing up in top eating CPU, and I've strace'd a bunch of
> processes trying to see what might be active all of the sudden without
> luck.
> 
> Any ideas where I could look?
> 
> This is on Ubuntu Feisty.
> 
> X Window System Version 7.2.0
> Release Date: 22 January 2007
> X Protocol Version 11, Revision 0, Release 7.2
> Build Operating System: Linux Ubuntu
> Current Operating System: Linux tiger 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686
> Build Date: 04 April 2007
> 
> # XAUTHORITY=/var/lib/gdm/:0.Xauth /usr/bin/xset -display :0.0 -q
> Keyboard Control:
>   auto repeat:  on    key click percent:  0    LED mask:  00000000
>   auto repeat delay:  500    repeat rate:  30
>   auto repeating keys:  00ffffffdffffbbf
>                         fadfffdfffdfe5ef
>                         ffffffffffffffff
>                         ffffffffffffffff
>   bell percent:  50    bell pitch:  400    bell duration:  100
> Pointer Control:
>   acceleration:  2/1    threshold:  4
> Screen Saver:
>   prefer blanking:  yes    allow exposures:  yes
>   timeout:  600    cycle:  600
> Colors:
>   default colormap:  0x20    BlackPixel:  0    WhitePixel:  16777215
> Font Path:
>   /usr/share/X11/fonts/misc,/usr/share/X11/fonts/100dpi/:unscaled,/usr/share/X11/fonts/75dpi/:unscaled,/usr/share/X11/fonts/Type1,/usr/share/X11/fonts/100dpi,/usr/share/X11/fonts/75dpi,/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,/usr/share/fonts/X11/misc,/usr/share/fonts/X11/100dpi/:unscaled,/usr/share/fonts/X11/75dpi/:unscaled,/usr/share/fonts/X11/Type1,/usr/share/fonts/X11/100dpi,/usr/share/fonts/X11/75dpi,/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType
> Bug Mode: compatibility mode is disabled
> DPMS (Energy Star):
>   Standby: 1200    Suspend: 1800    Off: 2400
>   DPMS is Enabled
>   Monitor is On
> File paths:
>   Config file:  /etc/X11/xorg.conf
>   Modules path: /usr/lib/xorg/modules
>   Log file:     /var/log/Xorg.0.log
> 
> 
> 
> 
> 
> -- 
> Bill Moseley
> moseley at hank.org
> 
> _______________________________________________
> xorg mailing list
> xorg at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/xorg
> 

-- 
Bill Moseley
moseley at hank.org