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I upgraded my kernel from 126.96.36.199 to 188.8.131.52. I was using the Nvidia driver 100.14.19, but it won't compile on my new kernel. I've got an error about kernel output build and src directory being wrong. I'm wiriting manually correct paths with --kernel-*-path=... and I'm getting that error again.
I've abandoned that driver and downloaded the latest version - 173.14.05. It has builded fine and now I'm using it.
However when I'm watching a movie on mplayer, the picture freezes for a moment. That is happening once per minute or two and it is really annoying.
Also mplayer gives this warning:
**** Your system is too SLOW to play this! ****
Possible reasons, problems, workarounds:
- Most common: broken/buggy _audio_ driver
- Try -ao sdl or use the OSS emulation of ALSA.
- Experiment with different values for -autosync, 30 is a good start.
- Slow video output
- Try a different -vo driver (-vo help for a list) or try -framedrop!
- Slow CPU
- Don't try to play a big DVD/DivX on a slow CPU! Try some of the lavdopts,
e.g. -vfm ffmpeg -lavdopts lowres=1:fast:skiploopfilter=all.
- Broken file
- Try various combinations of -nobps -ni -forceidx -mc 0.
- Slow media (NFS/SMB mounts, DVD, VCD etc)
- Try -cache 8192.
- Are you using -cache to play a non-interleaved AVI file?
- Try -nocache.
Read DOCS/HTML/en/video.html for tuning/speedup tips.
If none of this helps you, read DOCS/HTML/en/bugreports.html.
Omg, I haven't seen this thing from the time I was playing movies on my old Celeron 500MHz... Earlier (before I got that 7300GT) I was using the integrated video card GMA950 which is on my MB and I haven't seen such warning even there.
I've read that the old Nvidia drivers are incompatible with kernel 2.6.25. Is there a real reason for that?
Can 173.14.05 performance be fixed with some patch/trick?
Start there. See if the xv, gl2 or gl drivers (in that order) are available to MPlayer. Then use them with, say, "mplayer -vo xv". If one works, make it permanent by adding, say, "vo=xv" to your ~/.mplayer/config.
I tried xv and it was fine. Then I looked which is the default video output (in ~/.mplayer/config) and it was x11. I tried back with x11 and it was fine again. Ofcourse I'm testing the same scene from the same movie.
Maybe the performance drop was not from the video driver, but from something else in the system? I'm playing the movie from my hard drive, so it is not from slow media like CD or network.
It can be from broken avi file as well. Now I'm downloading some dynamic movies like Armageddon to test with.
Okay, there is something else.
I've just find that running Diablo 2 under Wine is not going well. Game is playable, but the resolution is odd. When playing on 640x480 it is fine, but when using 800x600... the bottom end of the screen is pulled under the bottom of the viewable surface of my monitor. Like it is 800x800 instead of 800x600. All objects are also verticaly stretched.
I can run my desktop at 800x600 using xrandr, but it doesn't affect the game. When I run it trough wine, it changes the resolution to that weird value.
I don't think this specifically relates to your problem, but nVidia + xrandr is indeed a little weird. This page explains what happens:
Why is the refresh rate not reported correctly by utilities that use the XRandR X extension (e.g., the GNOME "Screen Resolution Preferences" panel, `xrandr -q`, etc)?
The XRandR X extension is not presently aware of multiple display devices on a single X screen; it only sees the MetaMode bounding box, which may contain one or more actual modes. This means that if multiple MetaModes have the same bounding box, XRandR will not be able to distinguish between them.
In order to support DynamicTwinView, the NVIDIA X driver must make each MetaMode appear to be unique to XRandR. Presently, the NVIDIA X driver accomplishes this by using the refresh rate as a unique identifier.
You can use `nvidia-settings -q RefreshRate` to query the actual refresh rate on each display device.
This behavior can be disabled by setting the X configuration option "DynamicTwinView" to FALSE.
However, that has nothing to do with resolution, so I don't think that has much of an impact on your problem. I haven't tried the 2.6.25 kernel (I'm sticking with the default 184.108.40.206-smp kernel in Slackware 12.1 for now, using the 173.14.05 drivers), but I don't have any problems with mplayer.
So the problem is not with mplayer - the performance is fine. The problem is with switching resolutions, and that 800x600 is not switched properly.
Let me see the frequency... According to my monitor OSD it is 60Hz. When I try switching to 800x600 it is still 60Hz, and I don't find anything odd in that.
TwinView is disabled, and I have only one monitor.