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https://bugs.freedesktop.org/show_bug.cgi?id=6011          
     
           Summary: Radeon 9250 (R280) 128 bit 256 Mbyte system lockup
                    during DRI init with recent DRM
           Product: DRI
           Version: XOrg CVS
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DRM modules
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: [EMAIL PROTECTED]


With newer snapshots of DRM I have been having system lockups with the Radeon
9250 with 256 Mbyte of Ram.  The card has the 128bit ddr ram.  In the Xorg.0.log
the DRI is reported to be initialized, but that is where it locks up.  I know
that only 128 Mbyte of RAM is used, but with the DRM in the kernel this lockup
does not occur.  I have seen this bug in the December 25, 2005 snapshot, and in
the current February 21, 2006 snapshot.  When I used the February 21, 2006
snapshot I also grabed the snapshot for the xf86-video-ati driver to get the
newest memory management patches for the radeon.  I have tested these same
snapshots on three different ATI Radeon cards with no system lockup.  These
other cards include:
ATI Radeon 7000VE 64 Meg
ATI Radeon 9000 128 Meg 128 bit ddr ram
ATI Radeon 9250 128 Meg 64 bit ddr ram

No system stability was experienced with those three cards.  During the
initializing of the ATI Radeon 9250 256 Meg 128 bit ddr ram is when the system
lockup is occuring.  Xorg.0.log to follow shortly.  I can't get the dmesg output
after loading X because the system is frozen with a blank screen.  No keyboard,
no network, no mouse, no interrupts. :(          
     
     
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