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求助：fc3 下不能挂载光驱

时间：2005-05-18

来源：互联网

小弟有两块硬盘，分别设为主盘和从盘，在ＦＣ３下分别是hda和hdb
光驱是hdc
但始终挂载不上去
分别出现以下信息
[root@icefox cdrom]# mount /dev/hdc /mnt/cdrom
/dev/hdc: 输入/输出错误
mount: block device /dev/hdc is write-protected, mounting read-only
/dev/hdc: 输入/输出错误
mount: /dev/hdc: can't read superblock
或者
[root@icefox cdrom]# mount /dev/cdrom /mnt/cdrom
mount: special device /dev/cdrom does not exist
但用gnome-cd --device=/dev/hdc播放cd时却正常
平时从盘上装rpm软件时也正常
在dmesg下出现以下信息
ide: failed opcode was 100
end_request: I/O error, dev hdc, sector 92
Buffer I/O error on device hdc, logical block 23
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x50

请问是怎么回事？
谢谢

作者: 黑白灰发布时间: 2005-05-18

指定文件系统类型再挂载试试看，音频CD是不用挂载的。这个dmesg信息内核文档有说明，不知道你是否是这个情况：

代码:

If you own a Pioneer DR-A24X, you _will_ get nasty error messages
 on boot such as "irq timeout: status=0x50 { DriveReady SeekComplete }"
 The Pioneer DR-A24X CDROM drives are fairly popular these days.
 Unfortunately, these drives seem to become very confused when we perform
 the standard Linux ATA disk drive probe. If you own one of these drives,
 you can bypass the ATA probing which confuses these CDROM drives, by
 adding `append="hdX=noprobe hdX=cdrom"' to your lilo.conf file and running
 lilo (again where X is the drive letter corresponding to where your drive
 is installed.)

作者: troll 发布时间: 2005-05-18

不用挂载怎么用？

作者: rokee 发布时间: 2005-05-18

求助：fc3 下不能挂载光驱

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