[mythtv-users] Audio+video stutter after upgrade to Fedora 10+NVidia 180 on FX6200

[Niels Dybdahl]

End of the story:
Stuttering was caused by the ALSA:Default sound device. I switched to the
/dev/dsp and the stuttering disappeared (and the CPU usage went from 80-100%
down to 30-40%

Best regards
Niels Dybdahl

On Tue, Apr 28, 2009 at 8:54 PM, Niels Dybdahl <ndylist at gmail.com> wrote:

> I think I better forge these into separate threads...
>
> Niels
>
>
> On Tue, Apr 28, 2009 at 5:25 PM, Niels Dybdahl <ndylist at gmail.com> wrote:
>
>> I found the following in the wiki:
>> http://www.mythtv.org/wiki/NVidiaProprietaryDriver#Choppy_video.2FHigh_CPU_Usage
>> It states that the NVidia driver 180 has a bug that makes it stutter with
>> certain modelines.
>> I have now tried a number of modelines, but apparently they have no
>> visible effect. The display control panel in Gnome indicates that there are
>> still 768 lines even if I try to reduce the number of lines. Is there any
>> way to check whether the mode line is used and what the current resolution
>> is?
>>
>> Second question: Does anyone have a working modeline for 1360x768 with a
>> NVidia 180 driver? Could I then have a copy of the xorg.conf ?
>>
>> Third question: Does anyone have an easy way of going back to an older
>> nvidia driver when running on a system based on Fedora 10 and RPMFusion?
>>
>> Best regards
>> Niels Dybdahl
>>
>>
>> On Tue, Apr 28, 2009 at 10:25 AM, Niels Dybdahl <ndylist at gmail.com>wrote:
>>
>>> I forgot to mention that most other problems I have found regarding
>>> stuttering is on playing HD with XvMC.
>>> I am trying to play SD with Xv.
>>> My CPU is a 1.8 GHz Athlon and before the update the CPU was at 30-40%,
>>> now it is 80-100% when playing.
>>>
>>> Niels Dybdahl
>>>
>>>
>>> On Mon, Apr 27, 2009 at 8:26 PM, Niels Dybdahl <ndylist at gmail.com>wrote:
>>>
>>>> Hi,
>>>>
>>>> I have just upgraded from MythTV 0.20+Fedora 6+Nvidia ? to MythTV
>>>> 0.21+Fedora 10+NVidia 180.51-1
>>>>
>>>> Everything works except that the video and audio stutter so that it is
>>>> unwatchable.
>>>> - No stutter if I use a different PC to play the recording
>>>> - Stutter if I try to play a recording with mplayer -fs -vo xv . No
>>>> error messages from mplayer or mythtv that I have noticed.
>>>> - CPU goes close to 100% while playing with either mplayer or
>>>> mythfrontend.
>>>>
>>>> My GPU is a NVidia 6200 which worked fine on my old installation.
>>>> I have checked in the Xorg.0.log that it is the 180.51 driver that is
>>>> loaded:
>>>>
>>>>   (II) NVIDIA dlloader X Driver  180.51  Thu Apr 16 19:08:39 PDT 2009
>>>>   (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
>>>>
>>>> My best guess is that the Xv does not work correctly for some reason. I
>>>> have reused my xorg.conf from my old system. Should anything significant be
>>>> changed from F6 to F10?
>>>> Another guess is that the NVidia driver 180 does not work properly with
>>>> a FX6200 even though I have read that it should.
>>>> I have appended my xorg.conf
>>>>
>>>> Does anyone have an idea what is going on?
>>>>
>>>> Best regards
>>>> Niels Dybdahl
>>>>
>>>> xorg.conf:
>>>>
>>>> Section "ServerLayout"
>>>>         Identifier     "single head configuration"
>>>>         Screen      0  "Screen0" 0 0
>>>>         InputDevice    "Mouse0" "CorePointer"
>>>>         InputDevice    "Keyboard0" "CoreKeyboard"
>>>> EndSection
>>>>
>>>> Section "Files"
>>>>         ModulePath   "/usr/lib/xorg/modules/extensions/nvidia"
>>>>         ModulePath   "/usr/lib/xorg/modules"
>>>>         FontPath     "unix/:7100"
>>>> EndSection
>>>>
>>>> Section "Module"
>>>>         Load  "fbdevhw"
>>>>         Load  "record"
>>>>         Load  "freetype"
>>>>         Load  "type1"
>>>>         Load  "v4l"
>>>>         Load  "glx"
>>>>         Load  "dbe"
>>>>         Load  "extmod"
>>>> EndSection
>>>>
>>>> Section "ServerFlags"
>>>>         Option      "BlankTime" "0"
>>>>         Option      "StandbyTime" "3"
>>>>         Option      "SuspendTime" "4"
>>>>         Option      "OffTime" "5"
>>>>         Option      "AIGLX" "on"
>>>> EndSection
>>>>
>>>> Section "InputDevice"
>>>>         Identifier  "Keyboard0"
>>>>         Driver      "kbd"
>>>>         Option      "XkbModel" "pc105"
>>>>         Option      "XkbLayout" "dk"
>>>> EndSection
>>>>
>>>> Section "InputDevice"
>>>>         Identifier  "Mouse0"
>>>>         Driver      "mouse"
>>>>         Option      "Protocol" "IMPS/2"
>>>>         Option      "Device" "/dev/input/mice"
>>>>         Option      "ZAxisMapping" "4 5"
>>>>         Option      "Emulate3Buttons" "yes"
>>>> EndSection
>>>>
>>>> Section "Monitor"
>>>>         Identifier   "Monitor0"
>>>>         VendorName   "Monitor Vendor"
>>>>         ModelName    "Unknown monitor"
>>>>         DisplaySize  349        196
>>>>         HorizSync    19.0 - 62.0
>>>>         VertRefresh  50.0 - 70.0
>>>>         ModeLine     "1360x768" 85.5 1360 1424 1536 1792 768 771 777 795
>>>> +hsync
>>>> EndSection
>>>>
>>>> Section "Device"
>>>>         Identifier  "Videocard0"
>>>>         Driver      "nvidia"
>>>>         VendorName  "Videocard vendor"
>>>>         BoardName   "NVidea GForce FX6200"
>>>>         Option      "AddARGBGLXVisuals" "True"
>>>> EndSection
>>>>
>>>> Section "Screen"
>>>>         Identifier "Screen0"
>>>>         Device     "Videocard0"
>>>>         Monitor    "Monitor0"
>>>>         DefaultDepth     24
>>>>         SubSection "Display"
>>>>                 Viewport   0 0
>>>>                 Depth     16
>>>>                 Modes    "800x600"
>>>>         EndSubSection
>>>>         SubSection "Display"
>>>>                 Viewport   0 0
>>>>                 Depth     24
>>>>         EndSubSection
>>>> EndSection
>>>>
>>>> Section "Extensions"
>>>>         Option      "Composite" "Enable"
>>>> EndSection
>>>>
>>>>
>>>
>>
>
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