读不了光驱，大家帮手看看是什么问题
# mount -t iso9660 /dev/hdc /mnt/cdrommount: block device /dev/hdc is write-protected, mounting read-only
mount: 找不到介质
硬件浏览器里显示
ATAPI
none or built-in
/dev/hdc 是读所有的光盘都报错还是就是这张光盘报错？ 所有的，读不了光碟 帮帮手啊，各位 能否贴出你的dmesg信息？
（在终端中输入dmesg命令，将结果贴一下） # dmesg
Linux version 2.4.20-8 ([email protected]) (gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 Thu Mar 13 17:54:28 EST 2003
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000000bf00000 (usable)
BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
191MB LOWMEM available.
On node 0 totalpages: 48896
zone(0): 4096 pages.
zone(1): 44800 pages.
zone(2): 0 pages.
Kernel command line: ro root=LABEL=/
Initializing CPU#0
Detected 702.992 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 1402.47 BogoMIPS
Memory: 187872k/195584k available (1347k kernel code, 5796k reserved, 999k data, 132k init, 0k highmem)
Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
Inode cache hash table entries: 16384 (order: 5, 131072 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 8192 (order: 3, 32768 bytes)
Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 128K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 0383f9ff 00000000 00000000 00000000
CPU: Common caps: 0383f9ff 00000000 00000000 00000000
CPU: Intel Celeron (Coppermine) stepping 06
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch ([email protected])
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfb1d0, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Transparent bridge - Intel Corp. 82801AA PCI Bridge
PCI: Using IRQ router PIIX at 00:1f.0
PCI: Found IRQ 5 for device 00:1f.3
PCI: Sharing IRQ 5 with 00:1f.5
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16)
Starting kswapd
VFS: Disk quotas vdquot_6.5.1
pty: 2048 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled
ttyS0 at 0x03f8 (irq = 4) is a 16550A
ttyS1 at 0x02f8 (irq = 3) is a 16550A
Real Time Clock Driver v1.10e
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
NET4: Frame Diverter 0.46
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH: IDE controller at PCI slot 00:1f.1
ICH: chipset revision 2
ICH: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
hda: ST320410A, ATA DISK drive
blk: queue c03c9f40, I/O limit 4095Mb (mask 0xffffffff)
hdc: ATAPI CD-ROM MAX 50X, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: host protected area => 1
hda: 39102336 sectors (20020 MB) w/2048KiB Cache, CHS=2434/255/63, UDMA(66)
ide-floppy driver 0.99.newide
Partition check:
hda: hda1 hda2 < hda5 hda6 hda7 hda8 >
ide-floppy driver 0.99.newide
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 1024 buckets, 8Kbytes
TCP: Hash tables configured (established 16384 bind 32768)
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 145k freed
VFS: Mounted root (ext2 filesystem).
Journalled Block Device driver loaded
kjournald starting.Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Freeing unused kernel memory: 132k freed
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 17:59:01 Mar 13 2003
usb-uhci.c: High bandwidth mode enabled
PCI: Found IRQ 9 for device 00:1f.2
PCI: Setting latency timer of device 00:1f.2 to 64
usb-uhci.c: USB UHCI at I/O 0xd000, IRQ 9
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
usb.c: registered new driver hiddev
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <[email protected]>
hid-core.c: USB HID support drivers
mice: PS/2 mouse device common for all mice
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,7), internal journal
Adding Swap: 409616k swap-space (priority -1)
MSDOS FS: IO charset cp936
MSDOS FS: IO charset cp936
ip_tables: (C) 2000-2002 Netfilter core team
8139too Fast Ethernet driver 0.9.26
divert: allocating divert_blk for eth0
eth0: RealTek RTL8139 Fast Ethernet at 0xcc8cd000, 00:0a:eb:95:1b:36, IRQ 11
eth0:Identified 8139 chip type 'RTL-8139C'
eth0: Setting 100mbps full-duplex based on auto-negotiated partner ability 45e1.eth0: Promiscuous mode enabled.
device eth0 entered promiscuous mode
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 149M
agpgart: Detected an Intel i810 Chipset.
agpgart: AGP aperture is 64M @ 0xd0000000
memory : c16a1600
memory : 00000000
memory : c16a1680
Intel 810 + AC97 Audio, version 0.24, 17:59:48 Mar 13 2003
PCI: Found IRQ 5 for device 00:1f.5
PCI: Sharing IRQ 5 with 00:1f.3
PCI: Setting latency timer of device 00:1f.5 to 64
i810: Intel ICH 82801AA found at IO 0xd800 and 0xd400, MEM 0x0000 and 0x0000, IRQ 5
i810_audio: Audio Controller supports 2 channels.
i810_audio: Defaulting to base 2 channel mode.
i810_audio: Resetting connection 0
ac97_codec: AC97 Audio codec, id: ALC38 (Unknown)
i810_audio: only 48Khz playback available.
i810_audio: AC'97 codec 0 supports AMAP, total channels = 2
ide-floppy driver 0.99.newide
hdc: ATAPI 50X CD-ROM drive, 128kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
cdrom: This disc doesn't have any tracks I recognize!
cdrom: This disc doesn't have any tracks I recognize!
cdrom: This disc doesn't have any tracks I recognize!
cdrom: This disc doesn't have any tracks I recognize!
cdrom: This disc doesn't have any tracks I recognize! 读光区必须是完整的这样的格式吗？
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# mount -t iso9660 /dev/hdc /mnt/cdrom
忘记在哪个硬盘分区（就是hdc还是hab）怎么办？ 试一试这样
# mount /mnt/cdrom 试试
#mountiso9660 /media/cdrom -o loop 普通IDE？什么内核？用的不是RAYS LX吧？:)
sysctl -w dev.cdrom.check_media=1
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