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[debian-users:52271] Re: [lenny] Buffer I/O error on device sr0 改め SATA exception
渡辺です。
前のメールで述べた通り、ドライブを新しいものと交換しましたが、
エラーが出るときがあります。
読み取りには問題は無さそうです。
焼くのに失敗したりします。
何やら、unreproduceable な感じの症状に悩まされております。
とりあえず、成功したものが 2 枚、コースター(笑)が 2 枚できています。
SATA なドライブです。
[ 8.189777] ata5.00: ATAPI: ATAPI iHAS120 6, 7L0F, max UDMA/100
[ 8.623724] scsi 4:0:0:0: CD-ROM ATAPI iHAS120 6 7L0F PQ: 0 ANSI: 5
空の DVD-R をドライブに入れて焼こうと試みたら:
$ growisofs -dry-run -dvd-compat -Z /dev/cdrom=video.iso
Executing 'builtin_dd if=video.iso of=/dev/cdrom obs=32k seek=0'
$ growisofs -dvd-compat -Z /dev/cdrom=video.iso
Executing 'builtin_dd if=video.iso of=/dev/cdrom obs=32k seek=0'
/dev/cdrom: "Current Write Speed" is 8.2x1352KBps.
:-[ WRITE@LBA=140h failed with SK=0h/ASC=00h/ACQ=03h]: Input/output error
:-( write failed: Input/output error
/dev/cdrom: flushing cache
/dev/cdrom: updating RMA
/dev/cdrom: closing disc
その後、dmesg を確認すると:
$ dmesg | tail -n 27
[52313.152978] UDF-fs: Partition marked readonly; forcing readonly mount
[52313.212899] UDF-fs INFO UDF: Mounting volume 'CDROM', timestamp 2006/01/09 11:54 (121c)
[53021.943615] ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x400100 action 0x6 frozen
[53021.943615] ata5.00: irq_stat 0x08000000, interface fatal error
[53021.943615] ata5: SError: { UnrecovData Handshk }
[53021.943615] ata5.00: cmd a0/00:00:00:00:08/00:00:00:00:00/a0 tag 0 pio 2048 in
[53021.943615] cdb 28 00 00 15 b1 7e 00 00 01 00 00 00 00 00 00 00
[53021.943615] res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[53021.943615] ata5.00: status: { DRDY }
[53021.943615] ata5: hard resetting link
[53022.429081] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[53022.429903] ata5.00: configured for PIO0
[53022.429911] ata5: EH complete
[53880.921315] UDF-fs: Partition marked readonly; forcing readonly mount
[53881.028656] UDF-fs INFO UDF: Mounting volume 'CDROM', timestamp 2007/06/10 11:21 (121c)
[54621.407335] cdrom: This disc doesn't have any tracks I recognize!
[54945.116151] ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x400100 action 0x6 frozen
[54945.116158] ata5.00: irq_stat 0x08000002, interface fatal error
[54945.116162] ata5: SError: { UnrecovData Handshk }
[54945.116170] ata5.00: cmd a0/00:00:00:00:80/00:00:00:00:00/a0 tag 0 pio 32768 out
[54945.116171] cdb 2a 00 00 00 01 40 00 00 10 00 00 00 00 00 00 00
[54945.116173] res 50/00:03:00:00:80/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[54945.116176] ata5.00: status: { DRDY }
[54945.116183] ata5: hard resetting link
[54945.625729] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[54945.625730] ata5.00: configured for PIO0
[54945.625730] ata5: EH complete