[Bug 16799] New: hibernate broken on radeon with latest libdrm git

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16799

           Summary: hibernate broken on radeon with latest libdrm git
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: stefan.becker at nokia.com
         QAContact: xorg-team at lists.x.org


It seems the latest vblank changes break hibernate support (at least) on
radeon. The system freezes when the kernel gets told to dump to swap.

The last good commit is:

commit 7cfdba2b30e40efc688f1704bd4f4141dc6f9a6c
Author: Dave Airlie <airlied at redhat.com>
Date:   Fri Jul 18 14:30:57 2008 +1000

    radeon: remove microcode version

I'm not sure if this needs fixing in the driver or the drm kernel module. But I
can only test on radeon, so that's why I report it here first.


I'm using Fedora 9 on a Lenovo T60 (RV515). I have update mesa, libdrm and
xf86-video-ati from git:

mesa:
commit 77497eb73b9aa349f41f3bcb493d84610e302371
Author: Brian Paul <brian.paul at tungstengraphics.com>
Date:   Mon Jul 21 09:01:21 2008 -0600

    mesa: revert building glslcompiler by default

xf86-video-ati:
commit f9034214f070fe3054cd9cefd7034252de234f38
Author: Michel Dänzer <michel at tungstengraphics.com>
Date:   Mon Jul 21 09:09:02 2008 +0200

    Call DRM modeset ioctl after the IRQ has been initialized.

    This lets the DRM know it can safely disable the vblank interrupts.


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