Touch Screen Becomes Unresponsive.....help

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Ok, so I have a rooted Vibrant on stock firmware and I've been having a problem with my screen becoming unresponsive. It originally happened on a smaller level when the phone was newer and unrooted, however the problem has gotten much worse. I've done a factory reset of the phone along with a nandroid backup of it before the problem was severe, yet it comes back just as strong.

I already went through the problems with the no wake from setcpu, even thought it was my lock screen becoming unresponsive until I disabled it with NoLock. Also, I have the Logcat live wallpaper, and usually when you tap the screen, you can see the system processing the information, however when the problem occurs there is no response on the logcat live wallpaper. The phone doesn't freeze at all though. All the soft keys still work perfect as do the volume and power buttons.

Any ideas, tips, suggestions that might help me narrow down this problem? Could it be from a bad version of busybox? Autokiller maybe? I have it set to strict(was previously on aggressive) but no change. Maybe Autostarts is causing something to freeze up. Thanks for any help. Seams like these phones have alot of wake up issues.

I would reflash back to stock with Odin and see what happens when you don't have task killer, set CPU, etc. Also, be careful with autostarts

So I removed Autostarts and rebooted, same deal. I did a factory reset and still the same. I just unrooted a few minutes ago and the problem seams to have gone away. I'm gonna leave it like this for a bit without installing any apps and see what happens. Is it possoble I have a bad root.zip file or bad version of busybox? Doesn't make sense to happen when I have root, then go away when I don't. Any reason it could cause this? I'm really close to sending the phone back, but don't want to waste my time if it's just a bad root file or user error.

Well I don't know for a fact, hopefully someone more knowledgeable can chime in. Maybe when you are unrooted, changes made by autostarts no longer have the permissions to affect anything. Personally I would use Odin (have done it twice already) and start from scratch. But then you risk accidentally screwing up the phone if something goes wrong.

I removed Autostarts and rebooted just to make sure the changes took effect though. Even did a factory reset. Those removed all apps that required root access and the problem was still so bad it took me an hour to get the screen responsive again. Once I did get into my phone I booted into recover and unrooted. Restared the phone and now the issue seams to have gone away. Touch screen is very responsive now which leads me to believe it was something that had to do with the root file i'm flashing, or possibly busybox. Very very strange.
Hopefully someone much smarter than me could give some insight as to what could potentially cause the touch screens to just stop recieving signal. It's just bizarre that the phone continues to run fine, just not the screen.