[mythtv-users] Long delays with remote occasionally

[Larry on the Dell Laptop]

Larry on the Dell Laptop wrote:
> Josh Mastronarde wrote:
>> On Fri, Nov 14, 2008 at 2:25 PM, C.T. Paterson 
>> <i.adore.my.64 at gmail.com> wrote:
>>  
>>> 2008/11/10 C.T. Paterson <i.adore.my.64 at gmail.com>:
>>>    
>>>> Well this is all somewhat discouraging.  A hard drive failure prompted
>>>> me to upgrade from mythbuntu 8.04 to mythbuntu 8.10 last week.  Since
>>>> I've started using 8.10, I've been experiencing exactly the problem
>>>> described.
>>>>
>>>> Keypresses on a PS2 keyboard also seem to be affected when it happens.
>>>>  I've been tracking an Xorg spike in CPU usage that also came for free
>>>> with the 8.10 upgrade, but I get the spike without command lag, so I'm
>>>> not entirely convinced they're related.
>>>>       
>>> The symptoms seem to have gone away.  I can tell you that I've made
>>> the following changes:
>>>
>>> "UseEvents" has been turned on in the xorg.conf
>>>
>>> I changed the Video Playback Profile to "Slim" in the Playback setup 
>>> options.
>>>
>>>
>>> When I have some time, I'll do some more toggling to see if I can
>>> isolate which (if either) of these things has an obvious impact.
>>>     
>>
>>
>> Update -- my symptoms also appear to have gone away by putting:
>>
>>     Option    "UseEvents" "True"
>>
>> in the "Device" section of /usr/X11/xorg.conf.
>>
>> I had finally gotten mythtv 0.21-fixes compiled from source, and was
>> starting to add debug messages to everything I could find in the
>> keypress handling path to figure out what was stalling, but this is
>> much easier :-)  The above option does appear to have to do with the
>> Nvidia driver stalling in a poll loop vs cleanly waiting to be called
>> again, which makes sense that it could delay other things in the
>> system.
>>
>> Josh
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>>   
> My Mythbuntu 8.10 /etc/X11/xorg.conf shows:
> Section "Device"
>    Identifier     "Generic Video Card"
>    Driver         "nvidia"
>    Option         "DPI" "100x100"
>    Option         "UseEvents" "1"
>    Option         "AddARGBVisuals" "1"
>    Option         "AddARGBGLXVisuals" "1"
>    Option         "NoLogo" "1"
> EndSection
>
> I'll try   changing to Option  "UseEvents" "True"
> and see if that makes any difference.    You would think
> that "1" would be interpreted as "True" but....
> Larry
>
>
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>
I'll also try "Option   "UseEvents" "True" in the other
Section "Device"

namely like:
Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 8400 GS"
    Option        "UseEvents" "True"

EndSection