问题内容：
System
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K3b Version: 1.0.5
KDE Version: 3.5.10-13.fc11 Fedora
QT Version: 3.3.8b
Kernel: 2.6.29.6-217.2.8.fc11.i686.PAE
Devices
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ATAPI DVD A DH16A3L 8H1B (/dev/sr0, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL] [DVD-ROM, DVD-R 序列, DVD-R 双层序列, DVD-R 双层跳转, DVD-RAM, DVD-RW 限制覆盖, DVD-RW 序列, DVD+RW, DVD+R, DVD+R 双层, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, 限制覆盖, 层跳转]
TSSTcorp DVD-ROM TS-H352C CH01 (/dev/sr1, ) [CD-ROM, DVD-ROM] [DVD-ROM, CD-ROM] [无]
dvd+rw-format
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* BD/DVD±RW/-RAM format utility by <appro@fy.chalmers.se>, version 7.1.
* 4.7GB DVD-RW media in Sequential mode detected.
:-( unable to proceed with format: Device or resource busy
dvd+rw-format command:
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/usr/bin/dvd+rw-format -gui -blank /dev/sr0
大家可以帮我分析一下
