Re: Temporary workaround for stuck CD burner

[lsorense@csclub.uwaterloo.ca (Lennart Sorensen)]

On Thu, Sep 29, 2005 at 06:00:07PM +0200, Karel Kulhavy wrote:
> I managed to turn off the DVD burner by suspending the laptop to disk
> and reviving.

Well that would turn off and on power and reset the drive just as a
reboot would have.

> Now the command
> cdrecord -tao dev=ATAPI:0,0,0 speed=8 /home/clock/cdrom.iso
> is behaving like in those good olden days before Linux kernel seizure.
> 
> More information: dmesg reveals that during the seizure, no dmesg
> messages were generated (no SCSI errors/timeouts etc.).
> 
> When mounting the first badly burned CD, SCSI errors were generated.
> Last 3 of them:
> 
> hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete
> Error }
> hdc: media error (bad sector): error=0x30 { LastFailedSense=0x03 }
> ide: failed opcode was: unknown
> end_request: I/O error, dev hdc, sector 8
> printk: 2 messages suppressed.
> Buffer I/O error on device hdc, logical block 1
> hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete
> Error }
> hdc: media error (bad sector): error=0x30 { LastFailedSense=0x03 }
> ide: failed opcode was: unknown
> end_request: I/O error, dev hdc, sector 16
> hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete
> Error }
> hdc: media error (bad sector): error=0x30 { LastFailedSense=0x03 }
> ide: failed opcode was: unknown
> end_request: I/O error, dev hdc, sector 0

Those are normal messages meaning 'can not read this disc'.  Usually
means incomplete or bad burn.

Len Sorensen
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