[Optimus One, P500 Android Development] rom.olo:
This was post #251 of this thread (page 26 for me), it's the same problem I've met (I'm still reading further).

EDIT: formatted SD card with ROM manager, wipe data factory reset, reboot, the problem persists:

"The application Settings (process.com.android.settings) has stopped unexpectedly. Please try again." and the "Force close" button.

(

I read something on the web, I chose ext size 512 MB (for what I need to do with this old LG P500, I won't install many apps), and I chose swap 256 (although the web page I was reading recommended 64-128 MB, I chose the largest option thinking that in Linux boxes - Android came from some Linux flavor - the swap normally matches or doubles the RAM size).

Out of curiosity, after partitioning, I put the card into a card reader connected to my Linux box. Nautilus showed the ext partition as ext4, while in the terminal window (mount command in bash) it appeared as ext3.
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Worth mentioning:

With the lock screen on, I see the nice wallpaper, the clock, everything works fine, I can switch to vibration mode, I can even type "Emergency call" and get to the phone dial pad.

When I unlock the screen and the wallpaper disappears, apart from that error about the Settings app, I only see the status bar + black background.

I'm reading on the web that that error message was a plague for Android 2.2 phones owners. My stock ROM was Android 2.2 and I never ever got it. I can't get rid of it on this ROM, and I can't do anything after boot, apparently, entering some menu, nothing.

Somebody relates the error with the monitoring of the battery status. Wipe battery stats didn't solve it (fixing permissions either, I had already mentioned it above).

So, for now (a real pity :( ), I'm giving up with this version of this ROM and going to try the other published version of it, 1.7.6, and in case of troubles my next try will probably be CM7. I'm always precisely following the instructions I find with any ROM I try but there might be something tricky here and I might need to wipe something more not mentioned in any instructions.

EDIT 2:

Version 1.7.6 of this ROM gave me the same error.

So now, off-topic:

I tried again this other CM7 ROM, Android 2.3.7, the stable version, it works fine apparently but the APK I most need to install on it is the only one which doesn't get installed, I thought that it might need a later Android version than it declares (2.3 or later), so...

... I tried again this other CM10 ROM, Android 4.1.2 (switches on when plugging charger), same problem with that APK so I guess the problem is on the APK, I'll search what log file I should look into. I installed these gapps light on it, but I can't sign into Google yet, apparently the modem-router I've been given by my current ISP now reboots each time I try to connect this phone to the Internet (it had happens with other CM ROMs too), I passed through my own wifi router connected to the provider's one, can't sign in yet... can't check the connection with the web browser as it crashes, pinging from the terminal app also causes the ISP's modem router to reboot (I wonder what these ROMs send to the modem router :eek: ).

I went back to CM7, Android 2.3.7, but this time the most recent of the nightly builds cm-7-20130301-NIGHTLY-p500.zip, very nice, I'm passing through my modem router (otherwise the ISP one apparently reboots) and the web browser works fine. That APK won't install, I'll research about that and/or search for appropiate gapps (maybe here) and see if I can sign in and get that app with the Google Play app.

Each time I've been following the instructions I mentioned above, with ROM manager:

wipe data factory reset

advanced | wipe dalvik cache

mounts and storage | format /system

install zip from sdcard

wipe data factory reset

reboot system

Well, I might stop reporting, here (where as I said I'm clearly off-topic now) or anywhere else, unless I really find out something that I believe can be worth sharing. (I might also decide to give up with this LG P500 because finding extra information on such old stuff is apparently a time consuming goal, which is understandable, most persons in these old threads have probably switched to another e-mail address or to other interests and might have forgotten the details of this stuff... So I might end up restoring the stock ROM Android 2.2 and use this phone - as before - for one of the two tasks I need to get done, and buy another phone for the other task [in conjunction with my current one with stock Lollipop]).