I've recently stumbled upon this :

- Activate the automatic screen lock with security code
- Activate Silent Mode Profile
- Activate Offline Mode
- Slide the "turn screen off" button at the side

Let the N900 rest for some time and try to reactivate it by using the slider button at the side.

Results: "enter security code" window, but N900 not responding to any touch input. Have to reboot (hold power off) at this time, then everything is working again.

This happend two to three times for me. Without offline mode I've got no problems (Silent + autolock works).

Can somebody please confirm this issue here and file a bug ?
Thanks in advance