[Bug 57763] New: 3D applications have blank screen with "export RADEON_HYPERZ=1" and git-da7029d

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57763

          Priority: medium
            Bug ID: 57763
          Assignee: dri-devel at lists.freedesktop.org
           Summary: 3D applications have blank screen with "export
                    RADEON_HYPERZ=1" and git-da7029d
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: andabata12 at yahoo.it
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r300
           Product: Mesa

With last graphics drivers from Git-da7029d on ATI RV530 (X1700) all the 3D
applications with "radeon: Acquired Hyper-Z", as Second Life, Racer, Quake III
demo have blank screen and in their respective logs these lines appear:
...
radeon: The kernel rejected CS, see dmesg for more information.
radeon: The kernel rejected CS, see dmesg for more information.
radeon: The kernel rejected CS, see dmesg for more information.

With dmesg command I obtain:

[ 3637.361007] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.361220] Forbidden register 0x4F54 in cs at 36 (val=00000500)
[ 3637.361223] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.406861] Forbidden register 0x4F54 in cs at 683 (val=00000500)
[ 3637.406871] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.407391] Forbidden register 0x4F54 in cs at 36 (val=00000500)
[ 3637.407397] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !

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