[Bug 25746] New: r300g: Software fallback doesn't work running GL apps

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=25746

           Summary: r300g: Software fallback doesn't work running GL apps
           Product: DRI
           Version: DRI CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri...@li...
        ReportedBy: lor...@gm...


Created an attachment (id=32224)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32224)
glxinfo output with gallium

When i try to run glxgears with gallium r300 driver and a rs880 chipset:
libGL: OpenDriver: trying /home/lordh/tstdri/tls/r600_dri.so
libGL: OpenDriver: trying /home/lordh/tstdri/r600_dri.so
libGL: Can't open configuration file /etc/drirc: No such file or directory.
libGL: Can't open configuration file /home/lordh/.drirc: No such file or
directory.
Mesa: Mesa 7.8-devel DEBUG build Dec 21 2009 09:22:08
Mesa warning: couldn't open libtxc_dxtn.so, software DXTn
compression/decompression unavailable
Mesa: Initializing x86-64 optimizations
Mesa: 3Dnow! detected
*********************************WARN_ONCE*********************************
File radeon_tcl.c function radeon_run_tcl_render line 499
Rendering was 96 commands larger than predicted size. We might overflow 
command buffer.
***************************************************************************
drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command stream. See
dmesg for more info.

--dmesg--
Forbidden register 0x1C14 in cs at 1
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
---------

--lspci--
01:05.0 VGA compatible controller: ATI Technologies Inc Device 9710 (prog-if 00
[VGA controller])
---------

All is from git (libdrm, xf86-video-ati, mesa) and up to date, with KMS
running.


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