display scrambled in 9.04 was ok Dapper

[Ludwig]

powerbook Pismo bronze G3,display in 6.06 worked fine: 1024x768,powerpc liveCD Jaunty shows scrambled screen since splash or X server start. Tried to convert old xorg.conf, resolution ok but colordepth not
FBIOPUT_VSCREENINFO: Invalid argument
looks like a regression
graphics card ATI Rage Mobility 128
using driver r128

ProblemType: Crash
Architecture: powerpc
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/Xorg
MediaBuild: Ubuntu 9.04 "Jaunty Jackalope" - Release powerpc (20090421)
Package: xserver-xorg-core 2:1.6.0-0ubuntu14
ProcAttrCurrent: unconfined
ProcCmdline: /usr/X11R6/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersion: Linux version 2.6.28-6-powerpc (buildd@adare) (gcc version 4.3.3 (Ubuntu 4.3.3-5hostname4) ) #20-Ubuntu Fri Apr 17 08:30:40 UTC 2009
Signal: 11
SourcePackage: xorg-server
Stacktrace:
 #0 0x0f5af858 in R128FreeScreen ()
    from /usr/lib/xorg/modules/drivers//r128_drv.so
 #1 0x1009e93c in xf86DeleteScreen ()
 #2 0x1007364c in InitOutput ()
 #3 0x100291f8 in main ()
StacktraceTop:
 R128FreeScreen ()
 xf86DeleteScreen ()
 InitOutput ()
 main ()
Title: Xorg crashed with SIGSEGV in R128FreeScreen()
Uname: Linux 2.6.28-6-powerpc ppc
UserGroups:

[lspci]
0000:00:10.0 VGA compatible controller [0300]: ATI Technologies Inc Rage Mobility M3 AGP 2x [1002:4c46] (rev 02)
     Subsystem: ATI Technologies Inc Rage Mobility M3 AGP 2x [1002:4c46]

[Apport retracing service (apport)]

StacktraceTop:R128FreeScreen (scrnIndex=<value optimized out>, flags=0)
xf86DeleteScreen (scrnIndex=<value optimized out>,
InitOutput (pScreenInfo=0x101f3e08, argc=10,
main (argc=10, argv=0xbfb25904, envp=0xbfb25930)

[bugbot (bugbot)]

This bug report was filed against an old version of Ubuntu.
Can you confirm whether this is still an issue in natty?

If you don't mind, it would be very helpful if you could update the bug
report in launchpad to 'Fix Released' if it is no longer an issue for
you, or if it is still occurring under natty, please tag the bug 'natty'
so it's easier for us to track.

[bugbot (bugbot)]

We're closing this bug since it is has been some time with no response from the original reporter. However, if the issue still exists please feel free to reopen with the requested information. Also, if you could, please test against the latest development version of Ubuntu, since this confirms the bug is one we may be able to pass upstream for help.