I tried to search for the solution for this but wasn't able to, so posting as a new thread..
I have been trying Root_with_Restore_Bin4ry_v33 to root my Kindle Fire 8.9 HD running firmware 8.4.8, and had no success in rooting the device.
The error I am getting is
"mount: permission denied (are you root?)"
which comes out from the command
./stuff/adb shell "/data/local/tmp/busybox mount -o remount,rw /system"
I ran the command with sudo (in my Mac) but it did not help. It seems that only very few people had the same problem but did not find the solution.
FYI, I did turn on (1) USB debugging and (2) Allow installtion from unknown sources before trying to root the device.
Here are possible suspects:
(1) I wonder this problem is specific to Mac OS X. I replaced ./stuff/adb to the version from adt-bundle-mac-x86_64-20131030. Did anyone have success in rooting KFHD in Mac OS X?
(2) I wonder this problem is specific to newer version of firmware (8.4.8), but I do see people without having problems with this version.
(3) Any other possible reasons?
Thanks for your help - H
(Below is the full message from running 'sudo sh RunMe.sh')
= This script will root your Android phone with adb restore function =
= Script by Bin4ry(converted to shell by jamcswain) (thanks to Goroh_kun and tkymgr for the idea) =
= Idea for Tablet S from Fi01_IS01 =
= (14.12.2013) v33 =
0) Xperia Root by cubeundcube
2) Special (for example: Sony Tablet S, Medion Lifetab)
3) New Xperia Root by Goroh_kun
G) Google Glass Root (thx to Saurik for the ab file)
Make a choice:
Please enter a valid number(1 to x):
Checking if I should run in Normal Mode or special Sony Mode
Please connect your device with USB-Debugging enabled now
Waiting for device to shop up, if nothing happens please check if Windows ADB-drivers are installed correctly!
remote object '/system/app/Backup-Restore.apk' does not exist
remote object '/system/bin/ric' does not exist
Normal Mode enabled!
5309 KB/s (1165484 bytes in 0.214s)
Pushing su binary ....
5054 KB/s (104576 bytes in 0.020s)
Pushing Superuser app
5266 KB/s (2139595 bytes in 0.396s)
Making busybox runable ...
Now unlock your device and confirm the restore operation.
Please look at your device and click RESTORE!
If all is successful I will tell you, if not this shell will run forever.
Successful, going to reboot your device in 10 seconds!
RunMe.sh: line 222: wait: pid 10 is not a child of this shell
Waiting for device to show up again....
RunMe.sh: line 225: wait: pid 10 is not a child of this shell
Going to copy files to it's place
mount: permission denied (are you root?)
You can close all open command-prompts now!
After reboot all is done! Have fun!