On Sat, Jun 21, 2014 at 11:28:36AM +0200, Robert Nagy wrote:
> Hey,
>
> So if anyone out there having an old chromium profile and having issues
> with video playback or high CPU usage should listen and check some stuff
> out.
>
> First of all navigate to chromium://gpu and check if you have hardware
> acceleration enabled, if you do, there is nothing to do you can stop
> reading this email, on the other hand if it says that you are software
> accelarted only, quit chrome then start chrome with the --ignore-gpu-blacklist
> flag then quit chrome again and start using it the way you did before.
> It is only necessary to start chrome with this flag once, then you can skip
> it.
>
> It turns out that at one point chromium had an issue and flipped a switch
> in your profile that turns GPU acceleration off. This issue got fixed
> at one point since then but you actually have to manually force it to
> ignore the gpu blacklist to make it work again.
> If you have recently created a new profile, you should not have this
> issue, but the chrome://gpu page can tell you what's going on.
>
> We have an old profile saved that suffers from this issue and I am going
> try to figure it out and come up with a fix so that you don't have
> to start chrome with the --ignore-gpu-blacklist flag.
>
Actually I still have the problem after running with
--ignore-gpu-blacklist.
Ignoring blacklist:
Graphics Feature Status
Canvas: Hardware accelerated
3D CSS: Hardware accelerated
Compositing: Hardware accelerated
CSS Animation: Accelerated
Flash 3D: Hardware accelerated
Flash Stage3D: Hardware accelerated
Flash Stage3D Baseline profile: Hardware accelerated
Video: Hardware accelerated
Video Decode: Hardware accelerated
WebGL: Hardware accelerated
Regular run:
Graphics Feature Status
Canvas: Software only, hardware acceleration unavailable
3D CSS: Hardware accelerated
Compositing: Hardware accelerated
CSS Animation: Accelerated
Flash 3D: Hardware accelerated
Flash Stage3D: Unavailable. Hardware acceleration unavailable
Flash Stage3D Baseline profile: Unavailable. Hardware acceleration
unavailable
Video: Hardware accelerated
Video Decode: Software only, hardware acceleration unavailable
WebGL: Hardware accelerated
I run chrome w/o any flags or tweaks:
$ chrome --ignore-gpu-blacklist
ATTENTION: default value of option force_s3tc_enable overridden by
environment.
$ chrome
ATTENTION: default value of option force_s3tc_enable overridden by
environment.
And my chrome version is:
$ chrome --version
Chromium 34.0.1847.116
