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+---- Thread: Near 100% CPU in fullscreen (/showthread.php?tid=32159)
- tslayer - 2008-09-21
Nope, but it won't get into SVN until more people are able to test first. Catch-22 for you
- User 29008 - 2008-09-21
Well, is there actually anyone out there WITHOUT those vsync errors in the log running ATI Drivers? I now switched to envy-ng ati drivers which installed just fine, direct rendering is enabled but still xbmc.log tells me that vsync is unsupported :-(
- tslayer - 2008-09-21
Maybe ATI drivers on linux don't support it
- User 29008 - 2008-09-21
Well that's why I am asking if this might be an issue for all ATI users. Maybe most of them never checked xbmc.log.
@d00chris can you confirm this, please check your xbmc.log for that vertical syncing message.
- d00chris - 2008-09-21
Sure, I'll have a look if you tell me where to find the logfile
- d00chris - 2008-09-21
OK, I found the logfile all by myself
I get the same line in the logfile : "GL: Vertical Blank Syncing unsupported"
What is this "Vertical Blank Syncing" anyway? And what's it got to do with VSync? Just wondering.
- tslayer - 2008-09-21
Same thing as vsync.
- User 29008 - 2008-09-21
Alright, small update here on my progress:
I switched to my 8500GT cause I was tired of ATI for tonight ;-) Installed driver via envy-ng.
Disabled flipping in Nvidia Settings and enabled all vsync options.
Result is, that xbmc idles mostly between 7-10%, Sometimes also at 20%, but average I'd say 10%, according to "top".
Tslayer, what usage do you get with your nvidia setup?
- User 29008 - 2008-09-21
Btw, those 10% refer to the cpu running @1000mhz btw. Since Cool'n Quiet is active.
boba
- tslayer - 2008-09-22
About 1% on my 8600 GT when idling (according to top).
But I don't have cool'n quiet since I OCed my AMD.
But that makes sense if you are throttled to 1000
Looks good!
If you disable cool n' quiet, you'd probably have lower cpu. But essentially means the same thing
- d00chris - 2008-09-22
I know that I have Vsync enabled on my machine and that it is indeed supported by the ATI driver. How? Well, if I turn VSync off (using the Catalyst Control Panel), I will get tearing when playing video. If I turn it on, the tearing disappears.
- User 29008 - 2008-09-22
d00chris Wrote:I know that I have Vsync enabled on my machine and that it is indeed supported by the ATI driver. How? Well, if I turn VSync off (using the Catalyst Control Panel), I will get tearing when playing video. If I turn it on, the tearing disappears.
You got a point there man, that's right. Turning vsync on/off in ATI driver did indeed make a difference in video playback regarding tearing. But it seems that XBMC has trouble detecting vsync ... at least that's what the log says ...
boba
- tslayer - 2008-09-22
You may only be able to do it via ATI and not programmatically. I don't know to be honest.
- speed32219 - 2008-09-22
Just updated to the latest build Sept 17 and now processor is at 100%. Also lost full screen (When I hit the \ key it goes to full screen for a few seconds and then back to showing the upper and lower panels) and lost all audio (Except for the sound clicks moving through the prompts) from music collection. Movie audio AC3 plays fine except for out of sync and being jerky do to processor being maxed out. How do I go back to the another release?
- tslayer - 2008-09-22
You obviously have some other issues.
I suggest removing everything (including your userdata) and installing again.