fixed it.
I do not understand how this fixed it but it did. I am now using fglrx
without hard freezes or display corruption. 3D does not work but I don't
care. I only need 2D as this is a development workstation.
I did 3 things. As stated I used the gnome screen res control panel to
change to 1280x1024.
secondly I manually edited xorg.conf and replaced vesa with fglrx
instead of using the restricted manager to do it for me.
finally and this seems to be what fixed it (and why I am so puzzled
about how this fixed it) I edited my monitor description.
I commented out the HorizSync and VertSync lines that came default and
replaced them with these lines for my Dell 2001FP
HorizSync 31 - 80
VertRefresh 56 - 76
DisplaySize 408 306
I then reset the X server and logged in. Switched the resolution in
gnome back to 1600x1200 and now all is well.
Strangest bug I have ever run in to. I ran in to this same issue with
feisty beta and could never resolve it. Went back to edgy at that time.
Anyway I hope this helps anyone else who runs in to this bizzare issue.
I frankly have no idea how this fixed the problem but all is working
fine now.
--
7.04 (fglrx) display corruption and hard lock with X1650 on SIS chipset
https://bugs.launchpad.net/bugs/108402
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