Hello Pat,
I'll give you two more runs of dd, perhaps there's a pattern causing the error:
1. run ====== Sa Okt 30 00:47:43 CEST 2004 dd: Lesen von ,,/dev/sda": Eingabe-/Ausgabefehler 13085+1 Datens�tze ein 13085+1 Datens�tze aus 13721444352 bytes transferred in 1109,784279 seconds (12364064 bytes/sec)
real 18m29.825s user 0m0.161s sys 5m21.773s
/var/log/messages
[...]
Oct 30 01:03:47 titanic -- MARK --
Oct 30 01:06:12 titanic kernel: SCSI error : <0 0 0 0> return code = 0x8000002
Oct 30 01:06:12 titanic kernel: Current sda: sense key Hardware Error
Oct 30 01:06:12 titanic kernel: Additional sense: Data phase error
Oct 30 01:06:12 titanic kernel: end_request: I/O error, dev sda, sector 26799696
/var/log/debug
[...]
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ec 10 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66918 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66918 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ec 50 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66919 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66919 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ec 90 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691a L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691a R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ec d0 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691b L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691b R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ed 10 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691c L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691c R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ed 50 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691d L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691d R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ed 90 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691e L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691e R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ed d0 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x6691f L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x6691f R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee 10 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66920 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66920 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee 50 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66921 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66921 R 0 Stat 0x1
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x80066921 L 18 F 128 Trg 0 LUN 0 CL 6
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x80066921 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee 58 00 00 38 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66922 L 28672 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66922 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee 90 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66923 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66923 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee d0 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66924 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66924 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ef 10 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66925 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66925 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ef 50 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66926 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66926 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ef 90 00 00 40 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66927 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66927 R 0 Stat 0x0
Oct 30 01:06:12 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 01:06:12 titanic kernel: usb-storage: 28 00 01 98 ee 50 00 00 08 00
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x66928 L 4096 F 128 Trg 0 LUN 0 CL 10
Oct 30 01:06:12 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x66928 R 0 Stat 0x0
2. run ====== Sa Okt 30 01:19:30 CEST 2004 dd: Lesen von ,,/dev/sda": Eingabe-/Ausgabefehler 48390+1 Datens�tze ein 48390+1 Datens�tze aus 50741092352 bytes transferred in 4123,523868 seconds (12305274 bytes/sec)
real 68m43.588s user 0m0.609s sys 20m25.300s
/var/log/messages
[...]
Oct 30 02:03:47 titanic -- MARK --
Oct 30 02:15:03 titanic kernel: Command S 0x43425355 T 0x19969a L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: SCSI error : <0 0 0 0> return code = 0x8000002
Oct 30 02:28:13 titanic kernel: Current sda: sense key Hardware Error
Oct 30 02:28:13 titanic kernel: Additional sense: Data phase error
Oct 30 02:28:13 titanic kernel: end_request: I/O error, dev sda, sector 99103696
/var/log/debug
[...]
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 31 10 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2012 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2012 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 31 50 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2013 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2013 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 31 90 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2014 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2014 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 31 d0 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2015 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2015 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 32 10 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2016 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2016 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 32 50 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2017 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2017 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 32 90 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2018 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2018 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 32 d0 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2019 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2019 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 10 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201a L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201a R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 50 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201b L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201b R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 90 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201c L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201c R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 d0 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201d L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201d R 0 Stat 0x1
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x801e201d L 18 F 128 Trg 0 LUN 0 CL 6
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x801e201d R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 d8 00 00 38 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201e L 28672 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201e R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 34 10 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e201f L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e201f R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 34 50 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2020 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2020 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 34 90 00 00 40 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2021 L 32768 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2021 R 0 Stat 0x0
Oct 30 02:28:13 titanic kernel: usb-storage: Command READ_10 (10 bytes)
Oct 30 02:28:13 titanic kernel: usb-storage: 28 00 05 e8 33 d0 00 00 08 00
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Command S 0x43425355 T 0x1e2022 L 4096 F 128 Trg 0 LUN 0 CL 10
Oct 30 02:28:13 titanic kernel: usb-storage: Bulk Status S 0x53425355 T 0x1e2022 R 0 Stat 0x0
Andre.
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