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[debian-users:52040] Re: [lenny] Buffer I/O error on device sr0



渡辺です。

野宮さん:
>ならば,CD-ROM にある数百 MB のファイルを適当なところへコピーしてみて
>下さい.

なるほど。
linux-image-2.6.18-6-amd64 でも、
Buffer I/O error on device sr0
というエラーメッセージは出ますね。
(このメッセージ自体は問題の本質ではなかったようですね。
失礼しました)

こんな感じの確認の仕方で大丈夫でしょうか:

$ dd if=/dev/cdrom of=debian-live-500-amd64-gnome-desktop.iso bs=2k
dd: reading `/dev/cdrom': 入力/出力エラーです
349304+0 records in
349304+0 records out
715374592 bytes (715 MB) copied, 190.789 s, 3.7 MB/s
$ md5sum debian-live-500-amd64-gnome-desktop.iso
4ee19f5365930c71d03d6c57c7692033  debian-live-500-amd64-gnome-desktop.iso
$ dd if=/dev/cdrom | md5sum
dd: reading `/dev/cdrom': 入力/出力エラーです
1397216+0 records in
1397216+0 records out
715374592 bytes (715 MB) copied, 179.168 s, 4.0 MB/s
4ee19f5365930c71d03d6c57c7692033  -
$ dmesg | tail -n 100
ata5.00: (irq_stat 0x08000000, interface fatal error)
ata5.00: tag 0 cmd 0xa0 Emask 0x12 stat 0x50 err 0x0 (ATA bus error)
ata5: soft resetting port
ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata5.00: configured for PIO0
ata5: EH complete
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5.00: speed down requested but no transfer mode left
ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x280100 action 0x2 frozen
ata5.00: (irq_stat 0x08000002, interface fatal error)
ata5.00: tag 0 cmd 0xa0 Emask 0x10 stat 0x50 err 0x0 (ATA bus error)
ata5: soft resetting port
ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata5.00: configured for PIO0
ata5: EH complete
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5.00: speed down requested but no transfer mode left
ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x280100 action 0x2 frozen
ata5.00: (irq_stat 0x08000002, interface fatal error)
ata5.00: tag 0 cmd 0xa0 Emask 0x10 stat 0x50 err 0x0 (ATA bus error)
ata5: soft resetting port
ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata5.00: configured for PIO0
ata5: EH complete
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5.00: speed down requested but no transfer mode left
ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x400100 action 0x2 frozen
ata5.00: (irq_stat 0x08000000, interface fatal error)
ata5.00: tag 0 cmd 0xa0 Emask 0x10 stat 0x50 err 0x0 (ATA bus error)
ata5: soft resetting port
ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata5.00: configured for PIO0
ata5: EH complete
ata5.00: speed down requested but no transfer mode left
ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x400100 action 0x2 frozen
ata5.00: (irq_stat 0x08000000, interface fatal error)
ata5.00: tag 0 cmd 0xa0 Emask 0x10 stat 0x50 err 0x0 (ATA bus error)
ata5: soft resetting port
ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata5.00: configured for PIO0
ata5: EH complete
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
end_request: I/O error, dev sr0, sector 1397216
printk: 118 messages suppressed.
Buffer I/O error on device sr0, logical block 349304
Buffer I/O error on device sr0, logical block 349305
Buffer I/O error on device sr0, logical block 349306
Buffer I/O error on device sr0, logical block 349307
Buffer I/O error on device sr0, logical block 349308
Buffer I/O error on device sr0, logical block 349309
Buffer I/O error on device sr0, logical block 349310
Buffer I/O error on device sr0, logical block 349311
Buffer I/O error on device sr0, logical block 349312
Buffer I/O error on device sr0, logical block 349313
end_request: I/O error, dev sr0, sector 1397416
end_request: I/O error, dev sr0, sector 1397472
end_request: I/O error, dev sr0, sector 1397672
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)
ata5: spurious interrupt (irq_stat 0x1 active_tag -84148995 sactive 0x0)