After playing too much with ATI graphic card driver, I got stuck without being able to run GUI after OS start.
Also there are 5 boot options at start up (none of them gives GUI), prior to above mentioned problem there were only 2 boot options ( opensuse 11.2 and failsafe–opensuse 11.2), now there are 3 more (debug, desktop, desktop–safe). Is there a chance to bring GUI back or not?
Yes, I believe that is correct … I was able to fix it by removing ATI driver with rpm -e $(rpm -qa | grep fglrx) command and reinstall it with “1-click install”, after one click was done I did sax2 -r -m 0=fglrx and rebooted OS.
About 3 extra boot options, I decided just to remove them manually. Was this a wise decision? Do I need to worry about kernel/security/performance since I have installed kernels with ATI update?
Well, when I would have installed an extra kernel (using YaST//zypper) and, after some testing, would have decided which one I wanted, I would have deinstalled the other one (again using YaST/zypper). Then my boot options would most probably all the time have mirrored the kernels I had. When you do all sorts of things by hand (installing and deinstalling RPMs, editing menu.lst, etc.) you can not expect that YaST or any other management tool keeps up to date with what you did. And as you do not even document with what you are doing (playing) then I am afraid we do not know either and a choice of DenverD’s options do come to my mind.
It is also very likely that your present ATI module does not fit to at least one of the kernels you have.