On my first attempt to burn HP DVD+R DL I got some ugly noises, error messages (see below) and a $3 coaster. Later I noticed that the burn speed ImgBurn used (4x) exceeded the media rating (2.4x). Tried again with 2.4x selected and it worked flawlessly.
I 00:12:51 ImgBurn Version 2.1.0.0 started!
I 00:12:51 Microsoft Windows XP Media Center Edition (5.1, Build 2600 : Service Pack 2)
I 00:12:51 Initialising SPTI...
I 00:12:51 Searching for SCSI / ATAPI devices...
I 00:12:52 Found 1 DVD-ROM and 1 DVD?RW!
I 00:13:57 Operation Started!
I 00:13:57 Source File: C:\123.MDS
I 00:13:57 Source File Sectors: 4,080,235 (MODE1/2048)
I 00:13:57 Source File Size: 8,356,321,280 bytes
I 00:13:57 Source File Volume Identifier: 123
I 00:13:57 Source File Implementation Identifier: MEI
I 00:13:57 Source File File System(s): ISO9660, UDF (1.02)
I 00:13:57 Destination Device: [1:0:0] HL-DT-ST DVD+-RW GWA4164B D108 (D:) (ATA)
I 00:13:57 Destination Media Type: DVD+R DL (Disc ID: CMC MAG-D01-00) (Speeds: 4x)
I 00:13:57 Destination Media Sectors: 4,173,824
I 00:13:57 Write Mode: DVD
I 00:13:57 Write Type: DAO
I 00:13:57 Write Speed: MAX
I 00:13:57 Link Size: Auto
I 00:13:57 Test Mode: No
I 00:13:57 BURN-Proof: Enabled
I 00:13:57 Optimal L0 Data Zone Capacity: 2,046,368
I 00:13:57 Optimal L0 Data Zone Method: Copied From Original Disc
I 00:13:58 Filling Buffer...
I 00:13:58 Writing LeadIn...
I 00:14:31 Writing Image...
I 00:14:31 Writing Layer 0... (LBA: 0 - 2046367)
W 00:18:44 Failed to Write Sectors 682912 - 682943 - Spindle Servo Failure
W 00:18:45 Retrying (1 of 20)...
W 00:18:45 Retry Failed - No Seek Complete
W 00:18:45 Retrying (2 of 20)...
W 00:18:45 Retry Failed - Invalid Address For Write
W 01:02:19 Retrying (37)...
W 01:02:19 Retry Failed - Invalid Address For Write
E 01:02:20 Failed to Write Sectors 682912 - 682943 - Spindle Servo Failure
I 01:02:20 Synchronising Cache...
I 01:02:21 Closing Track...
I 01:02:22 Finalising Disc...
E 01:02:23 Failed to Write Image!
E 01:02:23 Operation Failed! - Duration: 00:48:25
I 01:02:23 Average Write Rate: 476 KB/s (0.3x) - Maximum Write Rate: 5,592 KB/s (4.0x)
I 10:26:46 Close Request Acknowledged
I 10:26:46 Closing Down...
I 10:26:46 Shutting down SPTI...
