[Bug 10772] New: xf86-video-ati-6.6.191 segfaults when a client makes it enter RADEONDisplayPowerManagementSet() on a r200 card

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10772

           Summary: xf86-video-ati-6.6.191 segfaults when a client makes it
                    enter RADEONDisplayPowerManagementSet() on a r200 card
           Product: xorg
           Version: 7.2
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: tvignaud at mandriva.com
         QAContact: xorg-team at lists.x.org


xf86-video-ati-6.6.191 segfaults as soon a client makes it enter
RADEONDisplayPowerManagementSet() (mplayer, screesaver, any 3D game, ...).
With xorg-7.2, with both xserver 1.2 and 1.3

Here's the relevant info from the log diff, aka the backtrace:

--- /var/log/Xorg.0.log 2007-04-25 21:39:36.000000000 +0200
+++ /var/log/Xorg.0.log.old     2007-04-25 21:39:24.000000000 +0200
@@ -1177,6 +1179,30 @@
 (II) XINPUT: Adding extended input device "Keyboard1" (type: KEYBOARD)
 (II) Mouse1: ps2EnableDataReporting: succeeded
 (**) RADEON(0): RADEONSaveScreen(2)
+(**) RADEON(0): RADEONSaveScreen(2)
+SetClientVersion: 0 9
+SetGrabKeysState - disabled
+SetGrabKeysState - enabled
+(**) RADEON(0): RADEONSaveScreen(2)
+(II) 3rd Button detected: disabling emulate3Button
+(**) RADEON(0): RADEONDisplayPowerManagementSet(0,0x0)
+
+Backtrace:
+0: /etc/X11/X(xf86SigHandler+0x85) [0x80c3b35]
+1: [0xffffe420]
+2: /usr/lib/xorg/modules/drivers//radeon_drv.so [0xb7c05943]
+3:
/usr/lib/xorg/modules/drivers//radeon_drv.so(RADEONDisplayPowerManagementSet+0x133)
[0xb7c05cd3]
+4: /etc/X11/X(DPMSSet+0xc9) [0x80c2fe9]
+5: /usr/lib/xorg/modules/extensions//libextmod.so [0xb7cd80de]
+6: /etc/X11/X [0x8151517]
+7: /etc/X11/X(Dispatch+0x19f) [0x808986f]
+8: /etc/X11/X(main+0x495) [0x8071045]
+9: /lib/i686/libc.so.6(__libc_start_main+0xdc) [0xb7d52d8c]
+10: /etc/X11/X(FontFileCompleteXLFD+0x1e5) [0x8070371]
+
+Fatal server error:
+Caught signal 11.  Server aborting
+
 (II) AIGLX: Suspending AIGLX clients for VT switch
 (**) RADEON(0): RADEONLeaveVT
 (**) RADEON(0): EngineRestore (16/16)


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