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List:       packet-writing
Subject:    Unable to format CD-RW with cdrwtool
From:       "Sean M. Paus" <spaus () pobox ! com>
Date:       2000-04-14 1:02:38
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I am experiencing a problem formatting one of my CD-RWs with cdrwtool:

I have kernel 2.3.99-pre3, the packet-0.0.1l-2.3.99-pre3-8 patch and the
udf-0.9.1 stuff.

I have an Iomega ZipCD.

When I execute cdrwtool with either -u or -q, there is eventually write
activity to my CD-RW.  cdrwtool reports the % status of formatting the
disk until it reaches 99%.  At that point I see the following error
message:

     [root@paus1 tools]# ./cdrwtool -d /dev/hdc -q
     . . .
     99% complete
     Writing UDF structures to disc
     -14400 (EDT)/240
     Error writing packet 0 (ffffffff)

I then ran chkudf on the disk in the hopes that it would help in
identifying the problem:

     [root@paus1 tools]# ./chkudf /dev/hdc
     --Determining device/media parameters.
     ioctl error 1.
     **Guessing failed - assuming 2048 byte sector size.
       Last Sector = 276153 (0x436b9) and is not accurate
     **Read error #5 in 226591
     **Read error #5 in 276151
     **Read error #5 in 275895
     **Read error #5 in 276153
     **Read error #5 in 275897
     **Read error #5 in 276001
     **Read error #5 in 276003
     **Read error #5 in 275745
     **Read error #5 in 275747

     --Verifying the Volume Recognition Sequence.
       VRS 0 (sector 16):  No ISO 9660 descriptors found.
       VRS 0            : **BEA01 is not present, skipping
     remaining VRS.

     **No Extended VRS found.

     --Verifying the Anchor Volume Descriptor Pointers.
       Checking 256: No AVDP.
       Checking 512: No AVDP.
       Checking 276153 (n - 0): **Read error #5 in 276153
     read error.
       Checking 276003 (n - 150): **Read error #5 in 276003
     read error.
       Checking 275897 (n - 256): **Read error #5 in 275897
     read error.
       Checking 275747 (n - 406): **Read error #5 in 275747
     read error.
     **No Anchor Volume Descriptor Pointers found.

Is there anything else I can do which would help finding the source of
this problem?  Am I doing something wrong?

Thanks in advance,

Sean


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