I have everything working fine on XT1039. I flashed the latest supersu 2.01 through recovery. Maybe try this first? It's definitely not a gravitybox incompatibility (you did install the kk version right?) but an xposed error. I have installed 2.7experimental 1 and it works fine. Reinstall latest xposed and gravitybox kitkat edition after u have rooted again.
Vpnair - you've successfully rooted the XT1039 - can you share the route used to achieve this? did you use TWRP? I'm a bit nervous about jumping in (I also have the XT1039 variant) Simply looking for root and nothing else btw.
Any advice greatly appreciated.
Pretty simple, and like rooting most other devices.
1. Make sure your phone isn't one with faulty microSD reader, since next step will void warranty
2.
Unlock Your Bootloader - WARNING EVERYTHING WILL BE WIPED INCLUDING INTERNAL SD!
2. Follow all the steps. Instead of 'Install Android SDK' I use
ADB Installer 1.3 since it has just what I need in a small package (C:/adb is default folder location). In addition you can download
mfastboot and place it in this directory if you want an option to mfastboot (no difference for us right now).
3. Once device unlocked download the
TWRP recovery for XT1032 and latest
SuperSu
4. Copy Supersu to internal SD and Copy Recovery to adb folder (Rename to recovery.img)
5. Put phone on fastboot and go to adb folder on computer and Shift + right click --> open command window here and enter the command 'fastboot
boot recovery.img' (NOT fastboot flash!!)
6. Install SuperSU on phone recovery and Reboot
7. You have Root! But no custom recovery. But Xposed + Gravity Box does most things.
8. To get rid of unlocked bootloader logo go to this
thread and download a boot logo of your choice. Extract the logo.bin file from within zip file and go to fastboot and 'mfastboot flash logo logo.bin'
9. Reboot and Enjoy.