I was writing some DVDR's and all of the sudden they all failed after 70% or so.
I have no idea, so included the log file that Nero provided.

If someone has suggestions, feel free to post.

Drive: Sony DRU500A
Media used: Samsung 4x DVD-R and Datasafe DVD-RW)



===============================================
NERO LOG.TXT

Windows XP 5.1
IA32
WinAspi: File 'Wnaspi32.dll': Ver=4.71 (0002), size=45056 bytes, created 21/12/2003 5:26:59
ahead WinASPI: File 'C:\Program Files\Ahead\Nero\Wnaspi32.dll': Ver=2.0.1.59, size=160016 bytes, created 26/02/2003 19:47:08
Nero Version: 5.5.10.35
Recorder: <SONY DVD RW DRU-500A> Version: 1.0d - HA 1 TA 0 - 5.5.10.35
Adapter driver: <IdeChnDr> HA 1
Drive buffer : 8192kB
Bus Type : default (0) -> ATAPI, detected: ATAPI
CD-ROM: <TOSHIBA DVD-ROM SD-M1302>Version: 1006 - HA 0 TA 1 - 5.5.10.35
Adapter driver: <IdeChnDr> HA 0
Bus Type : default (0) -> ATAPI, detected: ATAPI

=== Scsi-Device-Map ===
DiskPeripheral : MAXTOR 6L080J4 IdeChnDr Port 0 ID 0 DMA: On
CdRomPeripheral : TOSHIBA DVD-ROM SD-M1302 IdeChnDr Port 0 ID 1 DMA: Off
CdRomPeripheral : SONY DVD RW DRU-500A IdeChnDr Port 1 ID 0 DMA: On
CdRomPeripheral : PLEXTOR CD-R PX-W4012A IdeChnDr Port 1 ID 1 DMA: Off
DiskPeripheral : Maxtor 6Y080P0 YAR4 ultra Port 2 ID 0 DMA: ?
=======================

AutoRun : 0
Excluded drive IDs:
CmdQueuing : 1
CmdNotification: 2
WriteBufferSize: 74448896 (0) Byte
ShowDrvBufStat : 0
EraseSpeed : 0
BUFE : 0
Physical memory : 511MB (523740kB)
Free physical memory: 205MB (210040kB)
Memory in use : 59 %
Uncached PFiles: 0x0
Use Static Write Speed Table: 0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Enabled (1)
Wizard: Off

19.6.2004
ISO compilation
15:55:50 #1 Text 0 File Isodoc.cpp, Line 7576
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : TRUE
Multisession : FALSE
Burning mode : DAO
Mode : 1
ISO Level : 2 (Max. of 31 chars)
Character set : ISO 9660
Joliet : TRUE
Allow pathdepth more than 8 directories : TRUE
Allow more than 255 characters in path : TRUE
Write ISO9660 ;1 file extensions : TRUE

15:55:51 #2 Text 0 File Reader.cpp, Line 115
Reader running

15:55:51 #3 Text 0 File Writer.cpp, Line 125
Writer SONY DVD RW DRU-500A running

15:55:51 #4 ISO9660GEN -11 File geniso.cpp, Line 4571
First writeable address = 0 (0x00000000)

15:55:51 #5 Text 0 File Burncd.cpp, Line 3737
Turn on Disc-At-Once, using DVD media

15:55:51 #6 Text 0 File ThreadedTransferInterface.cpp, Line 672
Setup items (original item values)
0: TRM_DATA_MODE1 (CTransferItem)
2 indices, index0 (150) not provided
original CD pos #0 + 1611776 (1611776) = #1611776/358:10.26
relocatable, CD pos for caching/writing not required/required, no patch infos
--------------------------------------------------------------

15:55:52 #7 Text 0 File DlgWaitCD.cpp, Line 222
Last possible write address on media: 2298495 (510:46.45)
Last address to be written: 1611775 (358:10.25)

15:55:52 #8 Text 0 File DlgWaitCD.cpp, Line 227
Write in overburning mode: FALSE

15:55:52 #9 Text 0 File DlgWaitCD.cpp, Line 1680
Recorder: SONY DVD RW DRU-500A, Media type: DVD-R
Disc Manufacturer: BeAll - G40001
Disc Application Code: 64, Disc Physical Code: 193

15:55:52 #10 Text 0 File ThreadedTransferInterface.cpp, Line 824
Prepare recorder SONY DVD RW DRU-500A for write in cue-sheet-DAO
DAO infos:
==========
MCN:
TOCTYPE: 0x0 Session Closed, CD fixated
Tracks 1 to 1:
TRM_DATA_MODE1, 2048/0x0, ISRC "", FilePos 0 307200 -993742848

15:55:52 #11 Text 0 File ThreadedTransferInterface.cpp, Line 672
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 (CTransferItem)
2 indices, index0 (150) not provided
original CD pos #0 + 1611776 (1611776) = #1611776/358:10.26
relocatable, CD pos for caching/writing not required/required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 1611776 blocks [SONY DVD RW DRU-500A ]
--------------------------------------------------------------

15:55:52 #12 Phase 24 File dlgbrnst.cpp, Line 1655
Caching of files started

15:56:02 #13 Phase 25 File dlgbrnst.cpp, Line 1655
Caching of files completed

15:56:02 #14 Phase 36 File dlgbrnst.cpp, Line 1655
Burn process started at 4x (5.520 KB/s)

15:56:03 #15 Text 0 File ThreadedTransferInterface.cpp, Line 1978
Verifying CD position of item 0 (relocatable, CD pos, no patch infos, orig at #0): write at #0

15:56:03 #16 Text 0 File DVDR.cpp, Line 1425
Recording mode: Sequential Recording Mode


15:56:03 #17 Text 0 File Mmc.cpp, Line 18183
Set BUFE: Power-Burn -> ON

15:56:03 #18 Text 0 File DVDR.cpp, Line 1539
Start write address at LBA 0
DVD high compatibility mode: Yes

15:56:03 #19 Text 0 File Cdrdrv.cpp, Line 7892
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD-R (2), Part Version: 5
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: recordable
Linear Density: 0,267 um/bit, Track Density: 0,74 um/track
Starting Physical Sector Number of Data Area: 30000 h (DVD-ROM, DVD-R/-RW, DVD+R/+RW)
End Physical Sector Number of Data Area: 0 h
End Sector Number in Layer 0: 0 h
Data in Burst Cutting Area (BCA) does not exist
Media Specific:
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................

15:56:05 #20 Text 0 File Writer.cpp, Line 316
15:56:05.796 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:16 #21 Text 0 File Writer.cpp, Line 316
15:57:16.031 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #22 Text 0 File Writer.cpp, Line 316
15:57:17.000 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #23 Text 0 File Writer.cpp, Line 316
15:57:17.031 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #24 Text 0 File Writer.cpp, Line 316
15:57:17.046 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #25 Text 0 File Writer.cpp, Line 316
15:57:17.093 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #26 Text 0 File Writer.cpp, Line 316
15:57:17.125 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #27 Text 0 File Writer.cpp, Line 316
15:57:17.140 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #28 Text 0 File Writer.cpp, Line 316
15:57:17.171 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #29 Text 0 File Writer.cpp, Line 316
15:57:17.203 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #30 Text 0 File Writer.cpp, Line 316
15:57:17.234 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #31 Text 0 File Writer.cpp, Line 316
15:57:17.250 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #32 Text 0 File Writer.cpp, Line 316
15:57:17.265 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:17 #33 Text 0 File Writer.cpp, Line 316
15:57:17.281 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:57:53 #34 Text 0 File Writer.cpp, Line 316
15:57:53.828 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:58:31 #35 Text 0 File Writer.cpp, Line 316
15:58:31.656 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:58:31 #36 Text 0 File Writer.cpp, Line 316
15:58:31.718 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:59:09 #37 Text 0 File Writer.cpp, Line 316
15:59:09.484 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:59:09 #38 Text 0 File Writer.cpp, Line 316
15:59:09.625 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

15:59:47 #39 Text 0 File Writer.cpp, Line 316
15:59:47.343 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:00:25 #40 Text 0 File Writer.cpp, Line 316
16:00:25.171 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:00:25 #41 Text 0 File Writer.cpp, Line 316
16:00:25.250 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:01:02 #42 Text 0 File Writer.cpp, Line 316
16:01:02.984 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:01:40 #43 Text 0 File Writer.cpp, Line 316
16:01:40.828 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:01:40 #44 Text 0 File Writer.cpp, Line 316
16:01:40.859 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:02:18 #45 Text 0 File Writer.cpp, Line 316
16:02:18.656 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:02:56 #46 Text 0 File Writer.cpp, Line 316
16:02:56.468 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:02:56 #47 Text 0 File Writer.cpp, Line 316
16:02:56.500 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:03:34 #48 Text 0 File Writer.cpp, Line 316
16:03:34.296 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:04:12 #49 Text 0 File Writer.cpp, Line 316
16:04:12.140 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:04:12 #50 Text 0 File Writer.cpp, Line 316
16:04:12.218 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:04:49 #51 Text 0 File Writer.cpp, Line 316
16:04:49.984 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:05:27 #52 Text 0 File Writer.cpp, Line 316
16:05:27.843 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:05:27 #53 Text 0 File Writer.cpp, Line 316
16:05:27.875 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:05:58 #54 Text 0 File Writer.cpp, Line 316
16:05:58.062 - SONY DVD RW DRU-500A : Queue again later (Intervall : 11msec)

16:06:01 #55 SCSI -1135 File Cdrdrv.cpp, Line 1419
SCSI Exec, HA 1, TA 0, LUN 0, buffer 0x02D70000
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x0C
Sense Qual: 0x08
CDB Data: 0x2A 0x00 0x00 0x15 0x15 0x20 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0xF1 0x00 0x03 0x00 0x15 0x0C 0x27 0x12
0x00 0x00 0x00 0x00 0x0C 0x08

16:06:01 #56 DVDR -1135 File Writer.cpp, Line 333
Write error

16:06:01 #57 Text 0 File ThreadedTransfer.cpp, Line 222
all writers idle, stopping conversion

16:06:02 #58 Text 0 File ThreadedTransfer.cpp, Line 216
conversion idle, stopping reader

16:06:02 #59 Phase 38 File dlgbrnst.cpp, Line 1655
Burn process failed at 4x (5.520 KB/s)

16:06:02 #60 Text 0 File Scsicmd.cpp, Line 406
SCSI not using temporary buffers
20 out of 20 temporary buffers allocated


Existing drivers:
File 'Drivers\ASPI32.SYS': Ver=4.71 (0002) built by: WinDDK, size=16512 bytes, created 21/12/2003 5:26:58
File 'WNASPINT.DLL': Ver=V1.18, size=57344 bytes, created 26/01/2004 1:00:00
File 'Drivers\PXHELP20.SYS': Ver=2.02.44a, size=17232 bytes, created 27/11/2002 3:02:00 (Prassi/Veritas driver for win 2K)
File 'Drivers\IdeChnDr.sys': Ver=2.1.0.2112, 03/01/2002, size=93242 bytes, created 26/03/2002 1:00:00 (Adapter driver for rec)

Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)