When you upgraded to Karmic did you upgrade to myth 22 also? Or are
you just having problems with myth 21 and Karmic? Haven't decided
where to put my upgrade efforts yet, either myth 21 with Karmic, myth
22 with Karmic, or myth 22 with jaunty. I want to get a script done
for one of them by the end of the year.

Robert

On Nov 13, 6:15 pm, "Rusty Lingenfelter" <[email protected]> wrote:
> Since upgrading to Karmic (Mythbuntu 9.10) my ATV is almost unusable. For the 
> first time in years, I am back to watching cable. Bah. A number of 
> problems:1) Video resolution is hosed. I output to a big screen projection TV 
> (RCA MM52110) using a component video cable. My TV doesn't have HDMI. It is a 
> 4x3 screen. When boot is finished and the desktop is showing, I have a small 
> desktop in the middle of the screen that is taller than it is wide. I use the 
> nvidia settings app and change the resolution to 1920x1080 and then the 
> desktop more than fils the screen. To be clear, that is what I had prior to 
> upgrade. I never could match the desktop size to the screen size. 
> Unfortunately, it does not retain the setings upon reboot. I adjusted 
> xorg.conf, but no joy. I am using the 1.85 version of the nvidia driver. My 
> other choice is 1.77. During the upgrade, I believe that when i had an 
> option, I used my existing version of config files.2) Network is flaky, 
> difficulty connecting to AP and when it does connect, it SEEMS to be a poor 
> connection.
> 3) VNC drops connection and then won't connect, maybe network related.If I 
> can get 1 and 3 fixed, I can keep troubleshooting. I have been working on 
> this for about 10 days with no joy. Has anyone sucessfully upgraded to Karmic 
> and can share their lessons learned? All this after Robert finally helped me 
> get my remote squared away. Thanks.
>
> ------------------------------------------------------------
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>
>
> [ Attached Message ]From:Robert Baptista 
> <[email protected]>To:atv-bootloader 
> <[email protected]>Date:Wed, 11 Nov 2009 19:53:37 -0800 
> (PST)Local:Wed, Nov 11 2009 7:53 pmSubject:[atv-bootloader] Re: mythtv does 
> not perform well since mythtv .22 upgradeWhen my nvidia clocks were full 
> speed I had those same symptoms.
> However, it looks like your gpu and memory clocks are slowed down, 196
> and 499 respectively. I run mine at 200 and 756. I use the following
> to set all my nvidia related stuff.
>
> These lines in /etc/modprobe.d/options.conf
> options nvidia NVreg_RegistryDwords="PerfLevelSrc=0x2222"
> options nvidia NVreg_Mobile=0
>
> These lines in /home/$user/.mythtv/session
> #!/bin/sh
> xset -dpms
> xset s off
> nvidia-settings -a GPUOverclockingState=1
> nvidia-settings -a GPU2DClockFreqs=200,760
>
> This line in the Device section of /etc/X11/xorg.conf
>     Option         "RegistryDwords" "RMDisableRenderToSysmem=1"
>
> These lines in the Screen section of /etc/X11/xorg.conf
>     Option         "UseEvents" "1"
>     Option         "NoLogo" "True"
>     Option         "Coolbits" "1"
>
> And this line in the Extensions section of /etc/X11/xorg.conf
>     Option         "Composite" "Disable"
>
> And running this to enable nvidia Xvmc
> sed -i -e 's/^libXvMC.so.1$/libXvMCNVIDIA_dynamic.so.1/' /etc/X11/
> XvMCConfig
>
> I think that's all of my video related configuration items I use for
> running Mythbuntu 9.04 with MythTV 21.
>
> I hope that helps, but this could be a 22 issue. I have not tested
> myth 22 frontends yet with the ATV(I'd mostly be worried about memory
> usage with 22 and Mythbuntu 9.10). Although that is high up on my
> priority list as there are some 22 backend features I'm looking to
> implement in my setup.
>
> Robert
>
> On Nov 11, 6:41 pm, iitywygms <[email protected]> wrote:
>
>
>
> > -- General info --
> > Card:           nVidia Geforce Go 7300
> > Architecture:   NV46/G72 A3
> > PCI id:         0x1d7
> > GPU clock:      196.875 MHz
> > Bustype:        PCI-Express
>
> > -- Pipeline info --
> > Pixel units: 2x2 (11b)
> > Vertex units: 3x1 (111b)
> > HW masked units: None
> > SW masked units: None
>
> > -- Memory info --
> > Amount:         64 MB
> > Type:           128 bit DDR3
> > Clock:          499.500 MHz
>
> > -- PCI-Express info --
> > Current Rate:   2X
> > Maximum rate:   16X
>
> > -- Sensor info --
> > Sensor: GPU Internal Sensor
> > GPU temperature: 58C
>
> > -- VideoBios information --
> > Version: 05.72.22.68.00
> > Signon message: GeForce Go 7300 VGA BIOS (Apple M63)
> > Performance level 0: gpu 360MHz/memory 720MHz/100%
>
> > On Nov 11, 6:26 pm, Phil Chadwick <[email protected]> wrote:
>
> > > I also get constant prebuffering errors in .21, but my video plays fine.
>
> > > I always set the clocks via command line- I have no desktop to load other 
> > > programs (thanks to some tweaks from Robert)
>
> > > could you post the output of your "nvclock -i"?
>
> > > ----- Original Message ----
> > > From: iitywygms <[email protected]>
> > > To: atv-bootloader <[email protected]>
> > > Sent: Wed, November 11, 2009 6:10:02 PM
> > > Subject: [atv-bootloader] Re: mythtv does not perform well since mythtv 
> > > .22  upgrade
>
> > > Robert:
>
> > > Your suggestion fixed what seems to be several issues.
> > > No more errors shown in ifconfig.
> > > The tv play back start much faster. 3-4 seconds
> > > The audio/video seems to be in sync.  I have only watched about 10
> > > minutes but it seems better.
> > > I will report back if I notice sync errors again.
>
> > > Not fixed.
>
> > > I still get constant prebuffering errors.  So many that I have to
> > > delete the error logs or my drive would fill up quickly.
>
> > > If I am reading the nvidia -i correctly, I am NOT setting my gpu
> > > clocks correctly.  I still have to go in and manually adjust the
> > > sliders.  But, according to nvidia -i they are not sticking, correct?
> > > Could that be causing the prebuffering errors?
>
> > > I know that I did not get this many prebuffering errors before mythtv .
> > > 22
>
> > > If it matters, I am using the mythbuntu daily release repos.
>
> > > Any other suggestions?
>
> > > On Nov 10, 11:14 pm, Robert Baptista <[email protected]> wrote:
> > > > Sorry, that second command shouldn't be 'update-initramfs -u' it
> > > > should be 'update-grub' and accept the 'package maintainers version'.
>
> > > > Robert
>
> > > > On Nov 10, 10:20 pm, Robert Baptista <[email protected]> wrote:
>
> > > > > You should be able to fix the network errors by running the following
> > > > > commands. Basically just adding 'processor.max_cstate=2' to the kopt
> > > > > line in menu.lst.
>
> > > > > sed -i -e "s/^# kopt=root=UUID=.* ro$/& processor.max_cstate=2/" 
> > > > > /boot/
> > > > > grub/menu.lst
> > > > > update-initramfs -u
>
> > > > > Setting the max_cstate is explained on the boards here somewhere. I
> > > > > don't think that is causing any of yours issues though.
>
> > > > > Robert
>
> > > > > > ifconfig shows errors.
>
> > > --
> > > To post to this group, send email to [email protected]
> > > For more options, visit this group 
> > > athttp://groups.google.com/group/atv-bootloader?hl=en
>
> --
> To post to this group, send email to [email protected]
> For more options, visit this group 
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