BladeRunner Posted November 11, 2007 Share Posted November 11, 2007 My system was running well until yesterday when it started hanging at a blue screen with a movable cursor just after the gray apple screen. If I press f8 and supply a -f boot flag it boots to a login screen and runs correctly after that. I know I can add a -f kernel flag to the com.apple.Boot.plist file to get past the problem, but I would rather solve the problem. I have tried using disk utility to correct permissions but that didn't resolve the problem. I think I saw a topic relating to this same problem a few days ago, but now I can't locate it. If anyone has seen this problem and has any suggestions about how to resolve it I would greatly appreciate the help. Resolved: I had an incorrect user ID on one of the kext and repair permissions did not correct or flag it. I found it by doing a terminal - command-line "ls -ald Extensions/*" Link to comment https://www.insanelymac.com/forum/topic/70784-system-hangs-at-blue-screen-without-f-kernel-flag/ Share on other sites More sharing options...
techfella Posted November 29, 2007 Share Posted November 29, 2007 This is probably what you saw. I have the same problem after upgrading to Leopard. Unfortunately I don't know squat about Unix commands and can't seem to implement this fix. I tried your -f flag but no luck either. Great workaround 1. Reboot into single-user mode (hold Cmd-S while booting machine) 2. Follow the directions OSX gives you when you get to the prompt (I think these were them - just type the two commands it tells you to): fsck -fy / /sbin/mount -uw / 3. Remove the following files: rm -rf /Library/Preference Panes/Application Enhancer.prefpane rm -rf /Library/Frameworks/Application Enhancer.framework rm -rf /System/Library/SystemConfiguration/Application Enhancer.bundle rm -rf /Library/Preferences/com.unsanity.ape.plist 4. Exit, to continue booting normally exit It did work for several people on that post so good luck. Link to comment https://www.insanelymac.com/forum/topic/70784-system-hangs-at-blue-screen-without-f-kernel-flag/#findComment-522413 Share on other sites More sharing options...
josh256 Posted November 29, 2007 Share Posted November 29, 2007 actually what you should be doing is booting w/ "-v" (after a successful "-f" boot) to determine what kext is crapping out (before you start deleting kexts since there's many different root causes for the scenario you've described). Link to comment https://www.insanelymac.com/forum/topic/70784-system-hangs-at-blue-screen-without-f-kernel-flag/#findComment-523057 Share on other sites More sharing options...
BladeRunner Posted November 29, 2007 Author Share Posted November 29, 2007 actually what you should be doing is booting w/ "-v" (after a successful "-f" boot) to determine what kext is crapping out (before you start deleting kexts since there's many different root causes for the scenario you've described). I appreciate both replies. I have resolved the problem today. One of the things I did was to get the latest copy of enhancer. I also found that even though I had run repair permissions on the drive more than once - there was still a problem. I had missed the ownership on one of the kext. It still had my user ID as owner. I corrected that and repaired permissions again. I think that may have been the problem. Anyway, now it is resolved - mo more -f to boot the system. Link to comment https://www.insanelymac.com/forum/topic/70784-system-hangs-at-blue-screen-without-f-kernel-flag/#findComment-523183 Share on other sites More sharing options...
rollerdead Posted May 25, 2008 Share Posted May 25, 2008 i still got the blue screen. im installed leo4allv3 Link to comment https://www.insanelymac.com/forum/topic/70784-system-hangs-at-blue-screen-without-f-kernel-flag/#findComment-758091 Share on other sites More sharing options...
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