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SubjectCDROM ide-scsi errors
I just received the following upon mounting a CDRW disk in my
HP-7200i attached to /dev/hdc using scsi emulation (/dev/sr0)
under 2.0.36.

2 root@red:/burner# scsi : aborting command due to timeout : pid
4042, scsi0, channel 0, id 0, lun 0 0x08 04 2c 93 08 00
hdc: irq timeout: status=0xd0
hdc: ATAPI reset complete
hdc: irq timeout: status=0xd0
hdc: ATAPI reset complete
hdc: irq timeout: status=0xd0
hdc: unexpected_intr: status=0x51
hdc: unexpected_intr: error=0x60
CD-ROM not ready. Make sure you have a disc in the drive.
CD-ROM I/O error: dev 0b:00, sector 1094252
CD-ROM not ready. Make sure you have a disc in the drive.
CD-ROM I/O error: dev 0b:00, sector 1094252



I've been receiving many such errors as of late on this drive as
well as other cdrom drives in my system. The mobo has a VIA MVP3
chipset. NO DMA/UDMA is being used on this system at all.

The above cd was mounted, and then a "find . -name "ls-*"" was
done to locate all ls-lR files. at the same time, I used
midnight commander to completely copy the contents of the CD to
my hard drive for modification prior to reburning a new image.

Neither program completed. ls died giving the above error.
Shortly after, midnight commander gave a red error window
showing: cannot read source file, input/output error(5).

I just told midnight to "retry" here is my syslog entries for the
entire event:




May 10 02:42:33 red kernel: VFS: Disk change detected on device
0b:00
May 10 02:42:34 red kernel: Max size:278840 Log zone size:2048
May 10 02:42:34 red kernel: First datazone:28 Root inode number
57344
May 10 02:42:34 red kernel: ISO9660 Extensions: RRIP_1991A
May 10 02:48:09 red kernel: scsi : aborting command due to
timeout : pid 4042, scsi0, channel 0, id 0, lun 0 0x08 04 2c 93
08 00
May 10 02:48:09 red kernel: hdc: irq timeout: status=0xd0
May 10 02:48:11 red kernel: hdc: ATAPI reset complete
May 10 02:48:11 red kernel: hdc: irq timeout: status=0xd0
May 10 02:48:13 red kernel: hdc: ATAPI reset complete
May 10 02:48:13 red kernel: hdc: irq timeout: status=0xd0
May 10 02:48:13 red kernel: hdc: unexpected_intr: status=0x51
May 10 02:48:13 red kernel: hdc: unexpected_intr: error=0x60
May 10 02:48:13 red kernel: CD-ROM not ready. Make sure you have
a disc in the
drive.
May 10 02:48:13 red kernel: CD-ROM I/O error: dev 0b:00, sector
1094252
May 10 02:48:13 red kernel: CD-ROM not ready. Make sure you have
a disc in the
drive.
May 10 02:48:13 red kernel: CD-ROM I/O error: dev 0b:00, sector
1094252
scsi : aborting command due to timeout : pid 4045, scsi0, channel
0, id 0, lun 0 0x08 04 2c 9b 02 00
hdc: irq timeout: status=0xd0
May 10 03:16:52 red kernel: scsi : aborting command due to
timeout : pid 4045, scsi0, channel 0, id 0, lun 0 0x08 04 2c 9b
02 00
May 10 03:16:52 red kernel: hdc: irq timeout: status=0xd0
hdc: ATAPI reset complete
hdc: irq timeout: status=0xd0
May 10 03:16:54 red kernel: hdc: ATAPI reset complete
May 10 03:16:54 red kernel: hdc: irq timeout: status=0xd0
hdc: ATAPI reset complete
hdc: irq timeout: status=0xd0
hdc: unexpected_intr: status=0x51
hdc: unexpected_intr: error=0x60
May 10 03:16:56 red kernel: hdc: ATAPI reset complete
CD-ROM not ready. Make sure you have a disc in the drive.
CD-ROM I/O error: dev 0b:00, sector 1094260
May 10 03:16:56 red kernel: hdc: irq timeout: status=0xd0
May 10 03:16:56 red kernel: hdc: unexpected_intr: status=0x51
CD-ROM not ready. Make sure you have a disc in the drive.
CD-ROM I/O error: dev 0b:00, sector 1094260
May 10 03:16:56 red kernel: hdc: unexpected_intr: error=0x60
May 10 03:16:56 red kernel: CD-ROM not ready. Make sure you have
a disc in the
drive.
May 10 03:16:56 red kernel: CD-ROM I/O error: dev 0b:00, sector
1094260
May 10 03:16:57 red kernel: CD-ROM not ready. Make sure you have
a disc in the
drive.
May 10 03:16:57 red kernel: CD-ROM I/O error: dev 0b:00, sector
1094260



Any thoughts as to what could cause this? Faulty driver? Faulty
motherboard? Chipset? Dirty drive? Any ideas or
fixes/suggestions are greatly appreciated.

Thankx
TTYL

--
Mike A. Harris Linux advocate GNU advocate
Computer Consultant Open Source advocate

The DVORAK keyboard layout RULES! I memorized it in 45 minutes
and I don't think I'm ever going back to QWERTY!


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