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Thread: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

  1. #1
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    Exclamation Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Hello! I've been using Ubuntu on my Dell Vostro 1000 laptop since version 8.10, and I've been blown away by Lynx. The new theme looks fantastic! The filesystem is faster than ever too. I have a problem with my graphics card though... every time I start up the computer, the entire screen is corrupted with random colored stripes flashing on the screen. This happens when the boot up splash screen appears.

    I think it has something with radeon modesetting, because when I turn that off using "radeon.modesetting=0" or "nomodeset" in the kernel boot options, the problem disappears. However, the boot splash is in low graphics mode (Xorg itself works fine in 1280x800), compositing doesn't work, and I'm stuck with a software rasterizer for 3D.

    Any suggestions? I'm comfortable with the command line and editing config files, but I'd rather not toy around with /etc/X11/xorg.conf if it can be avoided. I have an amd64 kernel. Thanks in advance!

    Edit: I am able to work around this by restarting X (Alt+SysRq+K) until the graphics card displays properly, but this is obviously very annoying and sometimes it takes a couple reboots to get that thing to work.

  2. #2
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04


  3. #3
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    My problem is like yours, but a lot more serious... you can't see anything except a bunch of random stripes. I can't even get past the login screen without resetting X a bunch of times because the screen isn't legible at all.

    Sigh... I'm having all sorts of problems with this graphics card. This, X freezing when switching to virtual terminals, and even perspective views not working properly in some games and Blender.

  4. #4
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Try "pci=nomsi" instead of "nomodeset" as a boot option. There was an open bug about this in the run up to release, but it was patched and fixed for most (including me).

    Resuming from suspend, on the other hand, is still horribly broken...

  5. #5
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    You mean this bug?
    https://bugs.launchpad.net/ubuntu/lu...ux/+bug/509273

    Yeah, I saw that one too. I already tried "nomodeset;" that leaves me with a software rasterizer for 3D and no compositing. Plus the boot splash is in low-graphics mode. pci=nomsi doesn't seem to work for me .

    I just noticed some xorg updates in Update Manager. I'll install those and try nomodeset and pci=nomsi again.
    On the bright side, suspend works well for me!

  6. #6
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Attached is a photo to better illustrate my problem.
    Attached Images Attached Images

  7. #7
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Happy to report that with the latest Xorg/kernel/OpenGL updates, the problem seems to be solved! Virtual terminals are working fine too. The issue tends to occur after long shut down periods however, so I'll keep this thread open for now and try again later.

    Edit: Yup, issue resolved! Thanks Ubuntu developers!
    Marking this thread as [solved].
    Last edited by purelinuxuser; May 8th, 2010 at 05:20 AM.

  8. #8
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Quote Originally Posted by purelinuxuser View Post
    Happy to report that with the latest Xorg/kernel/OpenGL updates, the problem seems to be solved! Virtual terminals are working fine too. The issue tends to occur after long shut down periods however, so I'll keep this thread open for now and try again later.

    Edit: Yup, issue resolved! Thanks Ubuntu developers!
    Marking this thread as [solved].
    My Packard Bell EasyNote MZ35 laptop also has an ATI Radeon Xpress 200M video card. Suspend has never worked on this machine, graphics performance was pokey using Ubuntu 8.10, better using Ubuntu 9.04. But Ubuntu 9.10 was unstable, I had it on a test partition and it seemed to have become usable after updates in February/March but I stuck to 9.04 for daily use.

    Beta 1 and 2 of Ubuntu 10.04 wouldn't boot on this computer, but from late beta 2 daily builds onward it installed fine. Some bells and whistles are missing at boot but that's no problem for me. I have noticed though that graphics perfomance is not as good as 9.04. I tried some graphics benchmarks I found on this page:
    https://wiki.ubuntu.com/X/KernelModeSetting

    glxgears:
    9.04: 309 FPS
    10.04: 484 FPS

    GLBlur
    9.04: FPS 36.5, load 63.5%, polys 28
    10.04: fps 17.2, load 82.8%, polys: 28

    GtkPerf
    9.04: 11.4 seconds
    10.04: 16.6 seconds

    So for glxgears, 10.04 performs slightly better, but for GLBlur or GtkPerf, 9.04 shows much better performance. You can see that GLBlur is much smoother under 9.04. I suspect that 2D/3D acceleration is turned off for the Radeon driver

  9. #9
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    Man... the graphical glitches have returned! Same symptoms as last time, but this time, I noticed a suspicious-looking message in dmesg (which, by the way, is being spammed with "atkbd.c: Unknown key pressed (translated set 2, code 0x8d on isa0060/serio0)."; I need a new laptop).

    Code:
    [   17.692023] [drm] radeon kernel modesetting enabled.
    [   17.697903] radeon 0000:01:05.0: power state changed by ACPI to D0
    [   17.697918] radeon 0000:01:05.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    [   17.708211] [drm] radeon: Initializing kernel modesetting.
    [   17.718146] [drm] register mmio base: 0xC0100000
    [   17.718151] [drm] register mmio size: 65536
    [   17.718459] [drm] GPU reset succeed (RBBM_STATUS=0x00000140)
    [   17.718486] [drm:rs400_gart_adjust_size] *ERROR* Forcing to 32M GART size (because of ASIC bug ?)
    [   17.718532] [drm] Generation 2 PCI interface, using max accessible memory
    [   17.718535] [drm] radeon: VRAM 128M
    [   17.718537] [drm] radeon: VRAM from 0x38000000 to 0x3FFFFFFF
    [   17.718540] [drm] radeon: GTT 32M
    [   17.718542] [drm] radeon: GTT from 0x40000000 to 0x41FFFFFF
    [   17.718580] [drm] radeon: irq initialized.

  10. #10
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    Re: Graphics Problems with ATI Radeon Xpress 200M in Ubuntu 10.04

    My symptoms are focused primarily on googleearth, which does not zoom. Trying to zoom in results in a shrinking central rectangle surrounded by radial rays. I also see the rs400_gart_adjust_size error mentioned in the previous post, viz:

    [ 23.585633] [drm] register mmio size: 65536
    [ 23.585972] [drm] GPU reset succeed (RBBM_STATUS=0x00000140)
    [ 23.585995] [drm:rs400_gart_adjust_size] *ERROR* Forcing to 32M GART size (because of ASIC bug ?)
    [ 23.586044] [drm] Generation 2 PCI interface, using max accessible memory
    [ 23.586047] [drm] radeon: VRAM 128M


    Ubuntu 9.10 had no evident graphics problems. I've tried all of the suggestions listed in this forum, but none have worked. Looking forward to a fix soon. Perhaps i should just revert to 9.10 until this gets solved.

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