On Thu, Aug 16, 2001 at 07:00:05PM +1000, Bruce McIntyre wrote: > On Thu, Aug 16, 2001 at 02:13:37AM +0200, Michel Dänzer wrote: > > > I have fixed fbdevhw beyond the patch on that page with the help of Geert. > > > > I have hopefully found the bug in the fbdev driver now, please test > > > > http://penguinppc.org/~daenzer/patches/fbdev-fboffset.diff > > > > or > > > > http://penguinppc.org/~daenzer/fbdev_drv.o > > > > which is the 4.1.0 fbdev driver built with the patch applied. If it works, > > I'll submit it to Branden and upstream. > > > > > > > Should someone file a bug against xserver-fbdev ? > > > > Did you mean xserver-xfree86? Either way, I don't think it's useful > > (xserver-fbdev is outdated) or necessary (the relevant XFree86 developer (me > > ;) is aware of the problem). > > I tried your patched fbdev_drv.o in /usr/X11R6/lib/modules/drivers. > There seems to be no change. I hope I put it in the right place! > If you need the output of any command or configs just ask. Patching and > building the driver is, I'm afraid, beyond me. (I probably don't have the > free space anyway :-) ). There is a slight change... the virtual screen does not scroll; instead it wraps around underneath the 20 pixel margin and further... (hard to describe.. I'll try a picture. This is at depth of 15 with modes "1024x768" "800x600" "640x480" "ioctl FBIOPAN_DISPLAY: Invalid argument" was repeated many times in the console. I tried dpkg-reconfigure xserver-xfree86 with the kernel FB interface option both off and on, with no discernible change. There is now also quite severe barrel distortion. <- - - - - - - - - - - - - - 800 - - - - - - - - - - - - - - -> <---> Around 20 pixels +---------------------------------------------------------------+ | | | | | | | | | | | | | | | | |<- screen starts |<- virtual screen ends. and ends <---> this portion, as well as the overlap part of the rest of the <-overlap-----------> screen are both displaced downwards 1 of virtual pixel. screen. -- Bruce
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