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PostPosted: Wed Jul 30, 2008 9:49 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi,

Not had much luck with the x50 cards and R5.5 - Auto upgrade from R5F27 to R5.5 and when atempting to watch tv goes to a black screen for a moment, then exits to desktop.
Code:
mythfrontend: symbol lookup error: /usr/lib/libmythtv-0.21.so.0: undefined symbol: glXGetProcAddress
This is the error reported when trying to execute from an xterm.


dmesg gives:
ivtv: Start initialization, version 1.2.0
ivtv0: Initializing card #0
ivtv0: Autodetected Hauppauge card (cx23416 based)
ivtv0: Autodetected Hauppauge WinTV PVR-150
cx25840 0-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0)
wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0)
ivtv0: Registered device video0 for encoder MPG (4096 kB)
ivtv0: Registered device video32 for encoder YUV (2048 kB)
ivtv0: Registered device vbi0 for encoder VBI (1024 kB)
ivtv0: Registered device video24 for encoder PCM (320 kB)
ivtv0: Initialized card #0: Hauppauge WinTV PVR-150
ivtv: End initialization
ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
ivtv0: Encoder revision: 0x02060039

Any hints not covered in tjc's excelent guide?
Thanks
Mike


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 Post subject:
PostPosted: Thu Jul 31, 2008 2:38 pm 
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Joined: Fri Sep 15, 2006 12:16 pm
Posts: 292
Have you added some non-Knoppmyth code to your system
(compiled drivers, etc.)?

Maybe some GL video option turned on somewhere that hasn't
been tested?

I had a real problem with upgrading a PVR-350 system where
a clean install was more straightforward.
http://knoppmyth.net/phpBB2/viewtopic.php?t=18672&highlight=
Have you tried a clean install to a spare hard drive?


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 Post subject:
PostPosted: Thu Jul 31, 2008 3:10 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi,

Thanks, been down several different roads, upgrade from F27, fresh install, plain jane, no additions, nothing extra. Hardware is basic, HP 1.7ghz, 512mem, nvidia Vanta card, 320gig drive (Ide)

As for a 350 card, I have yet to get tv out, menus, osd, pip (window part) ok, just no tv. Works fine on the monitor. Tried in two different boxes. The Hp and also a Compaq 2.4ghz 512, 160gig drive I810 video

bttv ng, works ok with xawtv but think that is the loss of the v4l in the kernel.

Perplexed to say the least.

Mike


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 Post subject:
PostPosted: Thu Jul 31, 2008 6:41 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
Mike it sounds like you're trying to use some OpenGL feature with a driver that doesn't support it. This message is pretty much a smoking gun, splattered with the victims blood, with OpenGLs fingerprints all over it.
Code:
mythfrontend: symbol lookup error: /usr/lib/libmythtv-0.21.so.0: undefined symbol: glXGetProcAddress


- What driver and extensions are listed in your /var/log/Xorg.0.log?
Code:
grep -i loading /var/log/Xorg.0.log

and what video chips is it seeing?
Code:
grep -i pci /var/log/Xorg.0.log


I don't think the PVR card is implicated at all (unless you're using a PVR-350 for output). This looks like a straight "your X driver doesn't support GLX and you're trying to use it regardless" problem to me.

It would be nice if MythTV was smart enough to probe this information and ignore any silly misconfiguration, but it's just not there yet.


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 Post subject:
PostPosted: Thu Jul 31, 2008 8:31 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi tjc,

Quote:
OpenGLs fingerprints all over it.
That was my suspicions also and so went through all the setups several times looking but everything seems to be set for qt. I will check again to be sure I didn't mis something.

lspci id's the card as:
VGA compatible controller: nVidia Corporation NV6 [Vanta/Vanta LT] (rev 15) and is using nvidia driver

grep -i loading /var/log/Xorg.0.log
(II) Loading /usr/lib/xorg/modules//libpcidata.so
(II) Loading /usr/lib/xorg/modules/extensions//libdbe.so
(II) Loading extension DOUBLE-BUFFER
(II) Loading /usr/lib/xorg/modules/extensions//libglx.so
(II) Loading extension GLX
(II) Loading /usr/lib/xorg/modules//fonts/libfreetype.so
(II) Loading font FreeType
(II) Loading /usr/lib/xorg/modules/extensions//librecord.so
(II) Loading extension RECORD
(II) Loading /usr/lib/xorg/modules/extensions//libextmod.so
(II) Loading extension SHAPE
(II) Loading extension MIT-SUNDRY-NONSTANDARD
(II) Loading extension BIG-REQUESTS
(II) Loading extension SYNC
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XC-MISC
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-Misc
(II) Loading extension DPMS
(II) Loading extension TOG-CUP
(II) Loading extension Extended-Visual-Information
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) Loading /usr/lib/xorg/modules/extensions//libdri.so
(II) Loading extension XFree86-DRI
(II) Loading /usr/lib/xorg/modules/drivers//nvidia_drv.so
(II) Loading /usr/lib/xorg/modules/input//kbd_drv.so
(II) Loading /usr/lib/xorg/modules/input//mouse_drv.so
(II) Loading sub module "ddc"
(II) Loading sub module "fb"
(II) Loading /usr/lib/xorg/modules//libfb.so
(II) Loading sub module "ramdac"
(II) Loading sub module "xaa"
(II) Loading /usr/lib/xorg/modules//libxaa.so
(II) Loading extension NV-GLX
(II) Loading extension NV-CONTROL


grep -i pci /var/log/Xorg.0.log
(II) Found 1 PCI NVIDIA devices

The 350 issue is a different topic as it seems to be decoder related which my 150 doesn't have. Do to limited brain cells, got to go after these one at a time.
Thanks
Mike


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 Post subject:
PostPosted: Thu Jul 31, 2008 10:22 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
Wow, NV6 is ancient. What version of the legacy driver is it using? 7x or 9x?


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 Post subject:
PostPosted: Fri Aug 01, 2008 4:59 am 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi tjc,

What ever the auto install / upgrade or manual install offers. Everything is fine excepting tv.

Mike


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 Post subject:
PostPosted: Fri Aug 01, 2008 6:58 am 
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Joined: Fri Sep 15, 2006 12:16 pm
Posts: 292
mjl wrote:
[Vanta/Vanta LT] (rev 15) and is using nvidia driver


I recall seeing some posts where the poster simply changed
the driver from nvidia to nv and fixed his problem.


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 Post subject:
PostPosted: Fri Aug 01, 2008 7:21 am 
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Posts: 3161
Location: Warwick, RI
hi cliffjunk,

i have had the reverse where the nv driver caused stuttering key presses and menu selections but will give it a go just for s&g.

Thanks
Mike


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 Post subject:
PostPosted: Fri Aug 01, 2008 9:45 am 
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Joined: Mon Feb 16, 2004 7:06 pm
Posts: 309
Location: Toronto
Have you tried running mythfrontend from a command window? The output of the frontend will in the cmd window and may give you errors to determine why it crashed.

_________________
KnoppMyth Folding@home
How to setup F@H
F@H Stats Page


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 Post subject:
PostPosted: Fri Aug 01, 2008 10:49 am 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Thanks for the ideas. The error running from an xterm was in the first post.

I switched to the nv driver and the results are about the same (I forget exact details between the two).

Running from a remote display, still exits. I also see these errors.
2008-08-01 09:41:58.975 No theme dir: /home/mythtv/.mythtv/themes/ProjectGrayhem
2008-08-01 09:41:58.978 Switching to square mode (ProjectGrayhem)
Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
Xlib: extension "GLX" missing on display "localhost:10.0".
2008-08-01 09:41:58.999 Using the Qt painter
mythtv: could not connect to socket
mythtv: Connection refused
2008-08-01 09:41:59.001 lirc_init failed for mythtv, see preceding messages
2008-08-01 09:41:59.004 JoystickMenuClient Error: Joystick disabled - Failed to
open device /dev/input/js0
Xlib: extension "GLX" missing on display "localhost:10.0".
2008-08-01 09:42:03.577 Loading from: /usr/share/mythtv/themes/ProjectGrayhem/ba
se.xml

I am going to redo the install with a fresh burn as maybe something is corrupted that isn't obvious.
Mike


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 Post subject:
PostPosted: Sun Aug 03, 2008 4:38 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi,
Total redo of every step, download. fresh burn, cd checked good. auto install with no issues, end results identical to original post.

Thanks for tips & suggestions but this seems to be a no go piece of hardware combination. Still open for ideas :)

Mike


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 Post subject: FIXED
PostPosted: Mon Dec 29, 2008 6:57 pm 
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Joined: Sun Feb 26, 2006 12:48 pm
Posts: 2
I have the same problem with my old NVIDIA cards.

I took Cecil's configure command and extended it to disable the offending code.
Getting Schedules Direct working with KnoppMyth


Code:
svn co http://svn.mythtv.org/svn/branches/release-0-21-fixes/
cd release-0-21-fixes/mythtv
./configure --prefix=/usr --arch=i586 --enable-dvb --enable-firewire --dvb-path=/usr/include --enable-xvmc --enable-xvmc-vld --enable-opengl-vsync --enable-mmx --enable-proc-opt --enable-memalign-hack --enable-xvmc-pro --enable-glx-procaddrarb
qmake mythtv.pro
make
su
make install
exit


This section in the configure command fixes the crashing problem. --enable-glx-procaddrarb

Doing a ./configure --help does not show this option as it can produce a binary that will not run (with newer nvidia drivers).


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 Post subject:
PostPosted: Mon Dec 29, 2008 10:01 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi shocks,

Thank you for the video suggestion, I shall go back and retry R5.5 once again.

I primarily use the R5F27 as it allows me to add the tools to do "other" tasks as well so I don't need any other system. With one exception which is printing pdf files but that will be a different thread. :)

Thanks and have a great day!
Mike


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