Hello.. i am having the same problem, but with dvd-r. I can burn dvd+r jst fine, but when i insert dvd-r, imgburn says disk not empty.
..here is the log..
SONY DVD RW DW-D22A BYS1 (ATA)
Current Profile: DVD-R
Disc Information:
Status: Complete
Erasable: No
Sessions: 1
Free Sectors: 2,298,496
Free Space: 4,707,319,808 bytes
Free Time: 510:48:46 (MM:SS:FF)
Supported Write Speeds: 1x, 2x, 4x
Pre-recorded Information:
Manufacturer ID: MCC 03RG20
Physical Format Information (Last Recorded):
Book Type: DVD-R
Part Version: 5
Disc Size: 120mm
Maximum Read Rate: Not Specified
Number of Layers: 1
Track Path: Parallel Track Path (PTP)
Linear Density: 0.267 um/bit
Track Density: 0.74 um/track
First Physical Sector of Data Area: 196,608
Last Physical Sector of Data Area: 0
Last Physical Sector in Layer 0: 0
Performance (Write Speed):
Descriptor 1...
-> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 0 (0x00000000)
-> RS: 4,432 KB/s (3.3x) - WS: 1,385 KB/s (1x)
Descriptor 2...
-> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 0 (0x00000000)
-> RS: 4,432 KB/s (3.3x) - WS: 2,770 KB/s (2x)
Descriptor 3...
-> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 0 (0x00000000)
-> RS: 4,432 KB/s (3.3x) - WS: 5,540 KB/s (4x)
could it be the burner? by the way, im using 2.4.4.0.. thx in advance for the help!