Here's a log from one of my failed burns yesterday also:

2/26/2007 8:15:39 PM info ******************** Report session closed *********************
2/26/2007 8:15:19 PM info Media removed. Burning layer not ready to write
2/26/2007 8:15:14 PM error Write error at 2208 (16) - Code 05 21 02 [Illegal request, Invalid address for Write]
2/26/2007 8:15:14 PM warning Reporting invalid address for write during recovery - trying to continue
2/26/2007 8:15:14 PM warning at sector 2192 (16) - recover sequence started
2/26/2007 8:15:14 PM warning Write error - Code 03 0C 00 [Write error] - Info 0 - CSI 0
2/26/2007 8:15:14 PM info Try #0 - duration 43224 µs
2/26/2007 8:15:13 PM info Lead-in burning time (mS) 48020
2/26/2007 8:14:24 PM info Write started 3695632 sectors to write
2/26/2007 8:14:24 PM info Layer change set to LBA 2029520 (3.87 Gb.)
2/26/2007 8:14:24 PM info Writing speed requested x2.4, effective x2.4
2/26/2007 8:14:24 PM info layer break set by filesystem builder at 2029520
2/26/2007 8:14:24 PM info Available write speed: 2.4x
2/26/2007 8:14:24 PM info Media ID: MKM-003-00
2/26/2007 8:14:24 PM info DMA Enabled
2/26/2007 8:14:24 PM info Optimal Layer Break is in cell 17, around 01:10:04
2/26/2007 8:14:24 PM info Scanned files #403, folder #2 - total size 7566680064 b. (7.05 Gb.)
2/26/2007 8:14:24 PM info Inserted media type : DL DVD+R
2/26/2007 8:14:23 PM info Write started
2/26/2007 8:14:21 PM info New media inserted. Burning layer is ready to write
2/26/2007 8:14:20 PM info Compatible media types : DVD-R, DVD-RW Seq., DVD+R, DVD+RW, CD-R, CD-RW, DL DVD+R
2/26/2007 8:14:20 PM info New Drive selected : 4:1:0 - HP DVD Writer 640c QS12 [G] (Ide)
2/26/2007 8:13:55 PM info New media inserted. Burning layer is ready to write
2/26/2007 7:25:18 PM info Current Drive selected : 4:1:0 - HP DVD Writer 640c QS12 [G] (Ide)
2/26/2007 7:25:18 PM info Using Patin-Couffin driver Version 1.37, Internal revision 37 - Async. Access mode
2/26/2007 7:25:18 PM info User default language : 1033 (0x0409h) - English (United States)
2/26/2007 7:25:18 PM info System default language : 1033 (0x0409h) - English (United States)
2/26/2007 7:25:18 PM info DLL Version 2.0.25.278
2/26/2007 7:25:18 PM info DLL C:\PROGRA~1\DVDFAB~1\vso_hwe.dll
2/26/2007 7:25:18 PM info Version 3, 0, 8, 0
2/26/2007 7:25:18 PM info ExeName : "C:\PROGRA~1\DVDFAB~1\DVDFAB~1.EXE"
2/26/2007 7:25:18 PM info OS : Microsoft Windows XP Personal Service Pack 2 (Build 2600)
2/26/2007 7:25:18 PM info ******************** Report session started ********************