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Re: Dead CD-R burn...



As I said in my message, I also tried preparing the image on the disk
and then burning it, that didn't work as well, also I didn't get any error
messages about buffer underrun, so this can't be the problem...

What CD-R did you use???

-----Original Message-----
From: Yaniv Kimchi <yaniv@zvia.org.il>
To: Ze'ev Maor <gmaor@techunix.technion.ac.il>
Cc: linux ILUG <linux-il@cs.huji.ac.il>; ILUG Mailing List
<linux-il@linux.org.il>
Date: יום חמישי 03 ספטמבר 1998 07:41
Subject: Re: Dead CD-R burn...


>It is highly recommended to first preopare the image with mkisofs.
>check it with loopback device and only then burn it.
>Most CD-R's depend on the speed their internal buffer is being fed.
>If there is a delay the CD will be unusable.
>Try to run mkisofs to a disk image,
>Then test it with
>mount -t iso9660 -o ro,loop=/dev/loop0 imganame /mntpoint
>Only then run cdrecord from the Image.
>
>I have burned this way Hundreds of CD's under Linux without a single
>problem.
>
>Yaniv Kimchi
>yaniv@zvia.org.il
>
>On Thu, 3 Sep 1998, Ze'ev Maor wrote:
>
>> I've tried to burn a couple of CD-Rs with little to no success.
>>
>> Here's what I did, maybe someone can help:
>>
>> I'm using the HP-SureSture7100e, I've compiled paride+epat+pg as
>>  modules, loaded them, and the pg driver successfuly identified my
>>  CD-R. I've patched 'cdrecorder' with the scsi-linux-pg.c support and
>>  re-compiled it. I've done a few 'dummy' tests to make sure
>>  everything is ok, and got no error messages, up to now, as smooth
>>  as it gets (well, it did take 5 hours....;-).
>>
>> Then I wanted to burn a couple of dirs from my CD-ROM and used
>>  the following command:
>>
>> mkisofs -r /cdrom | cdrecord -v -multi fs=15m speed=2 dev=0 -
>>
>>  the process started and seemed to work fine...following are the last log
>> lines of the burning:
>>
>>    87.68% done, estimate finish Thu Sep  3 04:16:01 1998
>>    92.05% done, estimate finish Thu Sep  3 04:16:03 1998
>>    96.44% done, estimate finish Thu Sep  3 04:16:04 1998
>>    Total extents actually written = 114066
>>    Total translation table size: 0
>>    Total rockridge attributes bytes: 1325
>>    Total directory bytes: 4096
>>    Path table size(bytes): 44
>>    Max brk space used 4000
>>    114066 extents written (222 Mb)
>>    Track 01: 222 MB written (fifo 100%).
>>    Track 01: Total bytes read/written: 233607168/233607168
>>  (114066 sectors).
>>    Writing  time:  771.631s
>>    Fixating...
>>    Fixating time:  137.099s
>>    cdrecord: fifo had 7131 puts and 7131 gets.
>>    cdrecord: fifo was 0 times empty and 6618 times full, min fill was
>>  95%.
>>
>>
>> All seems great isn't it?? So why is it that after all this the media
>>  died, I couldn't mount it (no media / unknown media / CD-ROM
>>  won't stop spinning etc.) + I couldn't get the TOC with 'cdrecord -toc
>>  dev=0'.
>>
>> I've also tried creating small images with 'mkisofs' and burning them,
>>  but the result was the same.
>>
>> Can anyone help???
>>
>>
>