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Old 12-09-04, 01:10 AM   #1
bradtem
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Default The xvideo window is nothing but bright blue

I have seen some brief mention here of this problem but no solution. Sometimes the system will enter a state where any xvideo window is just a bright rectangle of blue, no video at all. With mplayer, mythtv -- any xvideo app.

Sometimes it takes a while for it to happen, sometimes it is quick. I seem to be getting it a lot more in my more recent configuration (mx4000 under driver 6111, since 6629 hard-crashes on the latest FC3)

When it does happen, you can often get rid of it by quitting X, modprobe -r nvidia to pull out the driver and modprobe nvidia to put it back in, then restart X.

Sadly, on some occasions I have seen it necessary to fully reboot the system.

When I started this trip, with my fx5200 card under RH9 (2.4.20 kernel) it seemed I was much better off. I could not drive my HDTV, but xvmc largely worked and xv was pretty good. Now xvmc doesn't work at all, and xv is starting to fail.

Anybody found a way out of this? How long is it likely to be for a post-6629 that with luck addresses some of this?
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Old 12-09-04, 04:37 PM   #2
mobtek
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Default Re: The xvideo window is nothing but bright blue

I had that too, but no probs with it on 6629, perhaps log out of X and rmmod nvidia and go back another driver?

peter vdm
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Old 12-09-04, 07:29 PM   #3
bradtem
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Default Re: The xvideo window is nothing but bright blue

I was running 6629, but found that after I upgraded my xorg-x11 and other materials in a full apt-get upgrade, 6629 was causing a hard crash (not just X, the entire OS) on attempt to start the X server.

Since this causes a great deal of pain, you can only play with it so much before you give up.

I am running the 2.6.9-1.667 kernel that comes with FC3, and xorg-x11-6.8.1-12, and was running 6629 but moved back to 6111.

Do others report success with FC3 after a full upgrade to the latest packages (including atrpms) or failure? Is there some chance of success if I move to the absolutely latest 881FC3 kernel (or whatever number it was that came out after 667 that was not a stock kernel?)

Not much choice but nvidia here, since ATI's drivers do not yet support 2.6 kernels, and the built in ati/radeon driver is bug-ridden as well.
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Old 12-15-04, 03:47 AM   #4
bradtem
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Default Re: The xvideo window is nothing but bright blue

One additional note. I am getting the blue problem a lot on my MX4000 card, but not in a while on my FX5200 card. The OS is a fully apt-get upgraded Fedora Core 3 with 2.6.9-1.667 kernel.

Indeed, on the system with th MX4000 card, nothing but a system reboot fixes the blue window problem. Not modprobe -r nvidia; modprobe nvidia and restat x.

This is on 6111, 6629 doesn't run on the fully updated FC3 as far as I can tell.

The lack of xvideo on a system with mythtv is of course annoyng. xvmc is also out.

I see a lot of other people complaining in other threads, but no resolution. Any hope of it?
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Old 01-05-05, 12:01 AM   #5
rico99
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Default Re: The xvideo window is nothing but bright blue

Hi -

I have the same problem. The problem happens more/less randomly
whenever I start playing video. That is, when the video starts up,
most times it works -- but sometimes it goes blue -- and stays blue.
And once it's like that, it's stuck that way. Note that most of the time
I'm using XvMC, but I *think* it also happens using regular Xv. (And
neither Xv nor XvMC work once it's broken.)

I found a hint somewhere to add this:

option "VideoKey" "1"

to my Xorg.conf file (in the Device Section). But that just succeeds
in making the broken video rectangle black instead of blue. (not much
help -- still no video) Although this has a side effect of changing the
initial blue rectangle that flashes just when video starts into a black
rectangle. So that's not all bad.

But this problem is *really* annoying, because it shows up pretty much
randomly.

I am running the following:

Linux 2.6.5-1.358 (custom hyperthreaded kernel)
X.Org Video Driver: 0.7
X.Org XInput Driver: 0.4
NV18 [GeForce4 MX 440 AGP 8x rev 5
nvidia_drv.o -- compiled for 4.0.2, module version = 1.0.6629
Running mythtv-0.16, and also more recent CVS versions.

Notes:
- Restarting X does not fix the problem.
- Removing/reloading the nvidia driver(s) does not fix the problem.
[Only a reboot fixes the problem?]

If anyone at Nvidia needs any more information to debug this, I
would be happy to provide it. Just send me a PM.

Thanks!

-Eric
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Old 01-05-05, 04:57 AM   #6
Thunderbird
 
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Default Re: The xvideo window is nothing but bright blue

In case of XvMC the following option might work as a nice workaround: Option "XvmcUsesTextures" it lets the hardware use the 3d part of the gpu instead of the video overlay part. Overlay is normally nice but it can have issues. (overlay is basicly a layer over your desktop; the blue part is where needs to be drawn)
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Old 01-06-05, 07:32 PM   #7
bradtem
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Default Re: The xvideo window is nothing but bright blue

Well, I get it with xvideo, not trying to use xvmc. Seems to be related to trying to display high-def (1920 wide) which is wider than the display mode and thus being shrunk.

I say "seems to be" because it is hard to do duplication efforts on this bug -- each one requires a full reboot of a system.

I have seen it on this one system with FX 5200 (less commonly) as well as MX440 and MX 4000 where it happens very soon after boot.
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Old 01-07-05, 12:56 PM   #8
energyman76b
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Default Re: The xvideo window is nothing but bright blue

Hi,

yesterday, when I played around with the xv-colorkey setting of xine, the video went suddenly blue and spent blue.

Maybe you should try and fiddly around with the colourkey.
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Old 01-09-05, 08:09 PM   #9
rico99
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Default Re: The xvideo window is nothing but bright blue

Yes. I have also seen this happen with normal XVideo (Xv), not just
with XvMC.

As Brad mentioned, this problem may be related to displaying
high-definition content. I'm trying to remember if I've ever seen
it happen with low-def content. (Note that is is *not* the resolution
of the display on which things are being rendered that matters, because
I've seen the problem with 1600x1200 and also with 1024x768.
Rather, it may be the resolution of the Xvideo buffer which is being
mapped onto the final "rectangle". So yes, it could very well be
a downscaling issue.)

Again, this problem doesn't happen every time. And it doesn't
happen that often. And it *only* seems to happen when I first
start up the player. That is, if the player starts up okay, it's fine.
If it doesn't start up okay, I don't get any more Xv video until
I reboot. I'm wondering if there's some kind of race condition in
the nvidia Xv library that's being hit (ie, software is doing the init
in some way that exposes a race). This could just be a chip bug.

It sure would be nice to find a fix for this one! Yo, anybody from
Nvidia reading this?!? =)

-Eric
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Old 01-10-05, 08:30 PM   #10
bradtem
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Default Re: The xvideo window is nothing but bright blue

Sorry if i was not clear, this is definitely an xvideo problem, not an xvmc problem.

I'm afraid that for me it is now a 99% problem. I have an MX440 in the system, with nvidia drivers 6111 and FC3 with 2.6.9-1.667 kernel. I haven't tried 6629 drivers in a while, they crashed (I had a 5200 and mx4000 in it in the past, and the problem wasn't as frequent.)

It's frequent enough now that I will probably give up on hte mx440 card. On the other hand if nvidia developers want a log from a machine where it's repeatable, I can help :-(
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Old 01-28-05, 04:58 AM   #11
darklegion
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Default Re: The xvideo window is nothing but bright blue

I just use '-vo gl2' when this annoying bug occurs although I am not sure if mythv,xine etc support it as I only use mplayer.Its seems to be about the same performance as XV and digital vibrance controls have an effect on the image,although I assume that means that overlays will not work here.Also it is no replacment for xvmc,for obvious reasons.
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Old 04-11-05, 11:30 PM   #12
rico99
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Default Re: The xvideo window is nothing but bright blue

Still seeing this problem with 1.0-7174. =(

(Oh, and I had to remove the RenderAccel line that has been
in my xorg.conf for like ages. Apparently that causes some
big trouble with 7174.)

Haven't tried rmmod experiments, etc. yet.

-Eric
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