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Intel's New Clarkdale IGP On Linux Not So Pleasant

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  • #16
    Woops sorry wrong thread, I thought you were responding in this!
    config ideas for MythBE/NAS + Myth/XBMC FE

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    • #17
      Originally posted by AdamW View Post
      Having said that, I'd think any Core i* CPU would be more than powerful enough to handle video playback up to 1080P on its own with no real need for assistance from the graphics card. My 'not exactly a speed demon' Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz can handle 1080P on a single core quite handily. You only really need hardware-assisted video decoding if you're trying to play some ludicrous quad HD resolution, trying to play video while doing something else very CPU-intensive at the same time, trying to play a lot of video streams together, or using a really weak CPU like an Atom.
      I beg to differ. While of course that CPU (I have the same ) could handle 1080p videos if a WM like fluxbox with nothing else to distract the processor is used, some real life examples would not apply. I find that the tiniest disturbance can make the video start lagging (and this happened to me most on 1080p files). Of course, I don't close every app when I go to watch a movie, which may be the culprit of this. However, when using the GPU, this lag does not occur at all under the same circumstances.

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      • #18
        can I get some thoughts in make/models for my final parts please?
        config ideas for MythBE/NAS + Myth/XBMC FE


        Thanks!

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        • #19
          Anyone? Much appreciated.

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          • #20
            Issue still open?

            Hi,

            only 4 months later, and I have run into the same issue with my shiny new i3 530 (it literally has a shiny copper top but I am deviating).

            Has this issue been resolved in the meantime? Where would I file a bug report? I use kernel 2.6.33.3, Xorg 1.7.6, intel_drv.so 2.11.0 and I can trigger the bug reliably calling xine when KDE4 desktop effects are enabled.

            Thanks,

            Martin

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            • #21
              has the IGP matured a lot more for hw assisted VA yet?
              Almost done with my build but would rather not buy a gt220 if it can be avoided.

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              • #22
                Originally posted by jalyst View Post
                has the IGP matured a lot more for hw assisted VA yet?
                Almost done with my build but would rather not buy a gt220 if it can be avoided.
                Currently, the Core iX processors with integrated GPU will only support MPEG-2 and H.264 at this time on Linux. In terms of maturity, it seems the code is derived from other drivers like the one used on former MacOS X platforms. If you want 3D performance or advanced OpenGL functionality, you'd better get an NVIDIA card.

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                • #23
                  Can't see why I'd want 3d performance or advanced OpenGL functionality unless I'm gaming, which won't do.
                  Or is there other reasons?

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                  • #24
                    Originally posted by gbeauche View Post
                    Currently, the Core iX processors with integrated GPU will only support MPEG-2 and H.264 at this time on Linux.
                    Reliable MPEG2 & H.264 VA are really the only 2 things one would want for hw assisted VA right?
                    So that's great!

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                    • #25
                      Originally posted by jalyst View Post
                      Reliable MPEG2 & H.264 VA are really the only 2 things one would want for hw assisted VA right?
                      So that's great!
                      nVidias VDPAU also accelerates VC1, which afaik is used for most (or atleast many) blurays and thus is also a pretty important codec.

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                      • #26
                        bummer, hopefully my Core i3-530 alone can deal with it?

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                        • #27
                          And this anyone? Thank-you.
                          Originally posted by jalyst View Post
                          Can't see why I'd want 3d performance or advanced OpenGL functionality unless I'm gaming, which won't do.
                          Or is there other reasons?

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                          • #28
                            Stability issue still not resolved?

                            Originally posted by gbeauche View Post
                            Currently, the Core iX processors with integrated GPU will only support MPEG-2 and H.264 at this time on Linux. In terms of maturity, it seems the code is derived from other drivers like the one used on former MacOS X platforms. If you want 3D performance or advanced OpenGL functionality, you'd better get an NVIDIA card.
                            OK, but for the time being I'd be happy if the i3/H55 combination was stable. Until then there is no point worrying about 3D performance.

                            If anyone cares, I have opened a bug report on freedesktop.org.

                            Martin

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                            • #29
                              i don't care about 3d performance (can't see why i'd need it other than for gaming) just VA, is that not working reliably for you?

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                              • #30
                                Originally posted by jalyst View Post
                                i don't care about 3d performance (can't see why i'd need it other than for gaming) just VA, is that not working reliably for you?
                                No, it's not. Nor was it for Michael Larabel in January. That's why he wrote the article "Intel's New Clarkdale IGP On Linux Not So Pleasant" on phoronix.com, which in turn I found four months later when researching my instability issue. And since this thread is the discussion thread for the article, I asked the question whether the issue has been resolved in the meantime.

                                Martin

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