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  • kernelOfTruth
    replied
    I just wanted to make it a little bit clearer:

    segfault in my case means that X works & starts up but apps, that are dependent on opengl / libGl.so.... acceleration (don't know it's exact name) get those segfaults

    so X == works
    acceleration & apps needing compositing == don't work

    examples: compiz, kwin (with opengl compositing; XRender although slow works), glxgears, glxinfo, googleearth, etc. etc.

    ==> libGL.so.... error 7 segfault or something thereof

    Leave a comment:


  • kernelOfTruth
    replied
    Originally posted by TheWretched View Post
    I have the segfaulting too (Sony Vaio E, Core i3 330M, 4GB RAM, ATI 5650 1GB) running on Ubuntu 10.4 Beta
    ++

    ok, let's see what we've got:

    *) Catalyst 10.2: 2.6.33-zen*, Gentoo ~amd64, gcc 4.4.3 hardened (fstack-protector-all, fPIE), Sapphire 5770, P5W DH Deluxe, Core2Duo E6600; it doesn't matter whether you're using a empty xorg.conf without anything (or little) set at all or full blown with aiglx, texturedvideo, texturedxrender, etc. enabled ==> it's still segfaulting with compiz & kwin (opengl compositing)
    [<-- that was my old box]


    *) Catalyst 10.3 [xorg-server 1.6.5] & 10.4_pre [xorg-server 1.7.5] from Lucid Lynx: 2.6.33-zen*, Gentoo ~amd64, gcc 4.4.3 hardened (fstack-protector-all, fPIE), Manufactured by AMD 5850, H57 (Foxconn Bulldog II), Core i7 860
    [<-- new box]

    *) also happens on ~x86 (with gcc 4.3.4) on my new box

    *) I first suspected that it's triggered due to stricter scheduling (BFS CPU scheduler) but it also happens with CFS scheduler


    summary:
    happens on
    *) ~x86, ~amd64
    *) core2 platform, core i7 platform
    *) 5770, 5850
    *) hardened, non-hardened [but both with fPIE at least on my OSes]
    *) xorg-server 1.6.5, 1.7.5
    *) Catalyst 10.2, 10.3, 10.4_pre (8.721), 10.3 (with openGL 4.0 support; should be 8.712.3.1)

    *) according to other reports on Ubuntu 10.04 & various configurations

    not sure if it can be isolated to 5xxx cards


    hope that helps !

    Leave a comment:


  • TheWretched
    replied
    Originally posted by bridgman View Post
    The new 2D acceleration is not enabled by default yet; the 10.4 beta is still running the XAA code paths.

    People are using the driver on Lucid; check the "unminimize" bug report that was mentioned earlier. Some people are seeing a segfault (you are as well, aren't you ?); hoping we can accumulate enough reports to find a pattern and reproduce it in house.

    I have the segfaulting too (Sony Vaio E, Core i3 330M, 4GB RAM, ATI 5650 1GB) running on Ubuntu 10.4 Beta

    Leave a comment:


  • agaida
    replied
    Originally posted by bridgman View Post
    $%@#!$#@&$^ edit window...

    The backclear patch allows drivers which don't accelerate that download to run without the lag. Once the new 2D accel arrives, you won't need the patch any more.

    What did you think I was saying ?
    Sorry, misread the underlined. My fault. But when will they arrive? I think 'til then the patch is ok.

    Leave a comment:


  • bridgman
    replied
    The new 2D acceleration is not enabled by default yet; the 10.4 beta is still running the XAA code paths.

    People are using the driver on Lucid; check the "unminimize" bug report that was mentioned earlier. Some people are seeing a segfault (you are as well, aren't you ?); hoping we can accumulate enough reports to find a pattern and reproduce it in house.

    Leave a comment:


  • bridgman
    replied
    I don't think we are communicating

    I understand that there is a performance difference between the open source drivers with EXA and fglrx when running on an unpatched server -- but if you try the open source drivers with XAA acceleration (which is what fglrx implements) then you will find the delay appears there as well.

    Not sure, but I think you are under the impression that I'm telling you that fglrx gives decent performance without the backclear patch, but that is *not* what I am saying. Felix implemented and released the backclear patch back in Sep 2009 because it *was* needed after the previous (no-backfill) patch was *removed* from distributions (yes, removed).

    The new 2D accel architecture will eliminate the need for the patch.

    Leave a comment:


  • agaida
    replied
    Originally posted by bridgman View Post
    What I'm saying is that once the new 2D accel arrives in fglrx that driver will operate the same way as everyone else w.r.t. this specific issue. Isn't that what you want ?
    Give open source drivers a try with compiz. You'll see what i mean compared to proprietary fgrlx

    I need my daily eye-candy, wobbeling windows, a 3d-cube... The cheapest intel or nvidia onboard chipsets give that to me. I want to have composite without errors. Is that to hard to understand?

    As i wrote, i'd bought the hardware half year before i start using linux. The system was planned to use with W7 x64 mostly for database conversions and exessive use of virtual machines. It should be able to run a few games on it too (DOOM 3, X3). The nVidia- and ATI-Cards work in a similar performance for a single gpu but the most ati based cards runs cooler and not so noisy. So i decided buying ATI. With the knowledge i have today i'm not shure doing that a second time. Sorry. Under W7 4890 is great, on a unpatched Linux shit.

    The future will bring solutions but i live today.

    Leave a comment:


  • kernelOfTruth
    replied
    so I hope that your new Direct2D / 2D acceleration approach will accelerate X in most (if not all needed) situations where it's noticable in everyday work

    it's pretty sad to see such bad (slow) gtk, XRender, 2D-acceleration in general with fglrx


    also please try to convince the developers to support newer X-Server and kernel releases more often - 10.4_pre's outstanding support (Lucid Lynx's) surely is a premiere: working with xorg-Server 1.7* and 2.6.34-rc* kernels (only with patches but hey ! it's a start and even better than nvidia )

    also: why is 10.2, 10.3, 10.4_pre causing segfaults on so many cards making acceleration and/or compositing unusable with them for most people ? (error 7 in libGl.so [I don't know it's exact name]) <-- fixing that should be TOP 1 PRIORITY

    thanks !


    P.S.: I love my Cypress

    Leave a comment:


  • bridgman
    replied
    $%@#!$#@&$^ edit window...

    The backclear patch allows drivers which don't accelerate that download to run without the lag. Once the new 2D accel arrives, you won't need the patch any more.

    What did you think I was saying ?

    Leave a comment:


  • bridgman
    replied
    Sorry, I don't understand your rant. The current situation is that on NVidia and Intel hardware (and ATI hardware with open source drivers) you don't see the lag because the drivers accelerate the download. The fglrx driver still uses XAA, so it does not accelerate the download and you see the lag.

    What I'm saying is that once the new 2D accel arrives in fglrx that driver will operate the same way as everyone else w.r.t. this specific issue. Isn't that what you want ?

    Leave a comment:

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