[Bug 55982] New: black screen with startx and xorg version 1.13.0 with dri2 enabled and radeon driver (r200)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55982

          Priority: medium
            Bug ID: 55982
          Assignee: xorg-driver-ati at lists.x.org
           Summary: black screen with startx and xorg version 1.13.0 with
                    dri2 enabled and radeon driver (r200)
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mister.freeman at laposte.net
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/Radeon
           Product: xorg

I notice a strange bug with the new version of xorg packages ( 1.13.0 ) if I
use the "startx" method for running KDE4.9.2,

description of this weird bug :

1) I type "startx -- vt1" in a tty1 console

2) KDE4 loads successfully

3) I run a 3D game ( or glxgears )

4) I choose the "logout" menu in KDE4

5) then I type again "startx -- vt1" to start again KDE4

6) KDE4 loads but if I move the mouse I get a black screen, but I can see the
HDD led continues to light

this bug doesn't occur if I start KDE with KDM, the problem occurs only with
startx when I decide to re-run the startx command ( first time it's Ok, but the
second attempt brings the bug ),

the logs ( Xorg.log, dmesg ) don't bring a clue, all seem ok

my system:

- archlinux 32 bits
- laptop with pentium 4 2.4 Ghz 1.2 Gb ram
- SIS645DX chipset
- ati radeon 9000 AGP ( I use DRI2 with KMS, xf86-video-ati driver 1:6.14.6-2 )

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