[mythtv-users] Video Tearing

[blisbell .]

On Sun, Oct 19, 2014 at 6:42 PM, Jay Foster <jayf0ster at roadrunner.com>
wrote:

> On 10/19/2014 11:05 AM, Peter Bennett (cats22) wrote:
>
>> On 10/18/2014 11:32 PM, Daryl McDonald wrote:
>>
>>>
>>>
>>> On Sat, Oct 18, 2014 at 10:21 PM, Jay Foster <jayf0ster at roadrunner.com
>>> <mailto:jayf0ster at roadrunner.com>> wrote:
>>>
>>>     I'm setting up a new mythbuntu 14.04.1 system with an nvidia GT730
>>>     video card (nvidia 331 driver).  I am trying to get rid of the
>>>     tearing.  I have been following the suggestions at
>>>     http://www.mythtv.org/wiki/Frame_display_timing, but I am not
>>>     having any success.  I have added the udev rule to change
>>>     permissions on /dev/rtc and verified that they are correct.  I
>>>     have added an entry to /etc/sysctl.conf to set the max-user-freq
>>>     and verified that it is correct.
>>>
>>>     The output of mythtvfrontend.real -v playback:
>>>     2014-10-18 19:06:55.555103 I  VDP: GetFilteredDeint() : xv-blit ->
>>>     'linearblend'
>>>     2014-10-18 19:06:55.555437 I  FilterManager:
>>>     GetFilterInfo(convert) returning: 0x0
>>>     2014-10-18 19:06:55.555446 I  FilterManager:
>>>     GetFilterInfo(linearblend) returning: 0x3d7b320
>>>     2014-10-18 19:06:55.555468 I  VideoOutput: Using deinterlace
>>>     method linearblend
>>>     2014-10-18 19:06:55.555482 E  VSYNC: DRMVideoSync: VBlank ioctl
>>>     did not work, unimplemented in this driver?
>>>     2014-10-18 19:06:55.555498 E  VSYNC: RTCVideoSync: Could not set
>>>     RTC frequency:
>>>                eno: Permission denied (13)
>>>     2014-10-18 19:06:55.555687 I  Player(0): Video timing method:
>>>     USleep with busy wait
>>>     2014-10-18 19:06:55.555697 I  Player(0): Display Refresh Rate:
>>>     59.869 Video Frame Rate: 59.941
>>>     2014-10-18 19:06:55.555703 I  Player(0): SetFrameInterval ps:1 scan:1
>>>     2014-10-18 19:06:55.556536 I  playCtx: StartPlaying(): took 0 ms
>>>     to start player.
>>>
>>>
>>>     ls -l /dev/rtc*
>>>     lrwxrwxrwx 1 root root      4 Oct 18 19:05 /dev/rtc -> rtc0
>>>     crw-rw-rw- 1 root root 254, 0 Oct 18 19:05 /dev/rtc0
>>>
>>>     cat /proc/sys/dev/hpet/max-user-freq
>>>     1024
>>>
>>>     Any ideas on what to try next?
>>>
>>>     Jay
>>>     _______________________________________________
>>>     mythtv-users mailing list
>>>     mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
>>>     http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>     http://wiki.mythtv.org/Mailing_List_etiquette
>>>     MythTV Forums: https://forum.mythtv.org
>>>
>>>
>>> I have better luck with the 304 driver, and tearing with the 331.
>>>
>>>
>>>
>> Did you disable composite?
>>
>> Run sudo nvidia-xconfig --no-composite
>> OR, add this to /etc/X11/xorg.conf or a file in /etc/xorg.conf.d:
>> Create file /usr/share/X11/xorg.conf.dG/55-mythtv.conf, or
>> /etc/X11/xorg.conf
>> Section "Extensions"
>>      Option             "Composite" "Disable"
>> EndSection
>> NOTE This is incompatible with unity desktop in 13.04 and later
>> You will have to install and use xfce desktop manager instead of unity
>> Peter
>>
>>
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>> mythtv-users mailing list
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>> MythTV Forums: https://forum.mythtv.org
>>
>>  I have:
> Section "Extensions"
>     Option         "Composite" "Disable"
> EndSection
>
> in /etc/X11/xorg.conf.  No difference.
> I cannot run nvidia-xconfig.  It crashes.  There is a bug entered for this
> on launchpad.
>
> Jay
>


You could try the latest driver here it's the nvidia-343 package.
 http://www.ubuntuupdates.org/ppa/xorg-edgers?dist=trusty

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