I have a Pioneer 107D, hope it isn’t a dvd-recorder problem (think not: with other media works good), but i’ve just bought a pack of theese DVDs and i cannot read info for any of them 
Here there is what Kprobe says…
Drive info:
VID PIONEER
PID DVD-RW DVR-107D
F/W Revision 1.20
Date Code 04/09/21 PIONEER
Region 2
Vendor Resets Available 4
User Resets Available 4
RPC Scheme RPC II
(after this row Kprobe gives me an error)
Disc info:
Disc Type UNKNOWN
Manufacturer
Material Unknown
Media ID 0::
Length 0::
Capacity 8.389E6 MB
Free Size 0.00 MB
Free Blocks 0
Total Tracks -1
Maximum Read Speed 40x
Maximum Write Speed 24x
Current Write Speed 24x CLV
Write Speed Performance Descriptor 1 24x CLV
Write Speed Performance Descriptor 2 20x CLV
Write Speed Performance Descriptor 3 16x CLV
Write Speed Performance Descriptor 4 12x CLV
Write Speed Performance Descriptor 5 10x CLV
Write Speed Performance Descriptor 6 8x CLV
Write Speed Performance Descriptor 7 4x CLV
Nero locks up when i try to burn one of theese disks, and if it not crash it shows me 800MB free…
Anyone had similar problems?
Should i change firmware? (i’ve just updated to official 1.20)
Should i change burner?
Or should i kick the store director? 
