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how to acess my cdrom?

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floppy:
hello,
the CDROM seems to be there according dmesg.
With mntool, it cannot be mounted.
How to access that CDROM?


[    0.655375] scsi 0:0:0:0: CD-ROM            COMPAQ   CD-ROM CRN-8245B 1.16 PQ: 0 ANSI: 5
[    0.657747] sr0: scsi3-mmc drive: 24x/24x cd/rw xa/form2 cdda tray
[    0.657752] cdrom: Uniform CD-ROM driver Revision: 3.20
[    0.657867] sr 0:0:0:0: Attached scsi CD-ROM sr0
[    0.657944] sr 0:0:0:0: Attached scsi generic sg0 type 5
[    0.764398] ata3.00: ATA-7: SAMSUNG SP0411C, UU100-05, max UDMA/100
[    0.764404] ata3.00: 78165360 sectors, multi 16: LBA48
[    0.770148] ata3.00: configured for UDMA/100
[    0.770291] scsi 2:0:0:0: Direct-Access     ATA      SAMSUNG SP0411C  UU10 PQ: 0 ANSI: 5
[    0.770483] sd 2:0:0:0: [sda] 78165360 512-byte logical blocks: (40.0 GB/37.2 GiB)
[    0.770508] sd 2:0:0:0: Attached scsi generic sg1 type 0
[    0.770641] sd 2:0:0:0: [sda] Write Protect is off
[    0.770646] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    0.770709] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.780719]  sda: sda1
[    0.781083] sd 2:0:0:0: [sda] Attached SCSI disk
[    0.931057] ata5: SATA link down (SStatus 0 SControl 310)
[    0.983364] usb 1-7: new high speed USB device number 3 using ehci_hcd
[    1.109374] scsi7 : usb-storage 1-7:1.0
[    1.261053] ata6: SATA link down (SStatus 0 SControl 310)
[    1.300039] Refined TSC clocksource calibration: 2994.384 MHz.
[    1.300046] Switching to clocksource tsc
[    1.333359] usb 4-1: new low speed USB device number 2 using uhci_hcd
[    1.425019] Freeing unused kernel memory: 436k freed
[    1.516279] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:1d.2/usb4/4-1/4-1:1.0/input/input3
[    1.516413] generic-usb 0003:046D:C018.0001: input: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:1d.2-1/input0
[    1.609853] tg3.c:v3.119 (May 18, 2011)
[    1.609878] tg3 0000:40:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[    1.609893] tg3 0000:40:00.0: setting latency timer to 64
[    1.617214] wmi: Mapper loaded
[    1.670706] tg3 0000:40:00.0: eth0: Tigon3 [partno(BCM95751) rev 4001] (PCI Express) MAC address 00:12:79:67:bd:7e
[    1.670715] tg3 0000:40:00.0: eth0: attached PHY is 5750 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
[    1.670723] tg3 0000:40:00.0: eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
[    1.670729] tg3 0000:40:00.0: eth0: dma_rwctrl[76180000] dma_mask[64-bit]
[    1.672347] input: PC Speaker as /devices/platform/pcspkr/input/input4
[    1.689815] FDC 0 is a post-1991 82077
[    2.107736] scsi 7:0:0:0: Direct-Access     Intenso  Basic            0.00 PQ: 0 ANSI: 2
[    2.108635] sd 7:0:0:0: Attached scsi generic sg2 type 0
[    2.110233] sd 7:0:0:0: [sdb] 7892087 512-byte logical blocks: (4.04 GB/3.76 GiB)
[    2.110977] sd 7:0:0:0: [sdb] Write Protect is off
[    2.110982] sd 7:0:0:0: [sdb] Mode Sense: 00 00 00 00
[    2.111710] sd 7:0:0:0: [sdb] Asking for cache data failed
[    2.111749] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[    2.116210] sd 7:0:0:0: [sdb] Asking for cache data failed
[    2.116248] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[    2.225857]  sdb: sdb1
[    2.344093] sd 7:0:0:0: [sdb] Asking for cache data failed
[    2.344134] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[    2.344168] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[    2.497580] loop: module loaded
[    2.547036] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    2.945968] EXT4-fs (sdb1): warning: maximal mount count reached, running e2fsck is recommended
[    2.948485] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
[   17.308953] Linux agpgart interface v0.103
[   17.349731] agpgart-intel 0000:00:00.0: Intel 915G Chipset
[   17.349882] agpgart-intel 0000:00:00.0: detected gtt size: 262144K total, 262144K mappable
[   17.350355] agpgart-intel 0000:00:00.0: detected 8192K stolen memory
[   17.350597] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xe0000000
[   17.600101] [drm] Initialized drm 1.1.0 20060810
[   17.653793] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[   17.653808] i915 0000:00:02.0: setting latency timer to 64
[   17.679055] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[   17.679063] [drm] Driver supports precise vblank timestamp query.
[   17.679149] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[   17.724208] [drm] initialized overlay support
[   17.841763] fbcon: inteldrmfb (fb0) is primary device
[   17.884327] Console: switching to colour frame buffer device 160x64
[   17.892991] fb0: inteldrmfb frame buffer device
[   17.892995] drm: registered panic notifier
[   17.893028] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[   20.819435] oss_ich 0000:00:1e.2: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[   20.830756] usbcore: registered new interface driver oss_usb
[   23.380351] tg3 0000:40:00.0: eth0: Link is up at 100 Mbps, full duplex
[   23.380357] tg3 0000:40:00.0: eth0: Flow control is on for TX and on for RX
[  408.809103] sr 0:0:0:0: [sr0] Unhandled sense code
[  408.809111] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  408.809118] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  408.809127] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  408.809134] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 01 00
[  408.809152] end_request: I/O error, dev sr0, sector 0
[  408.809177] EXT4-fs (sr0): unable to read superblock
[  415.123568] sr 0:0:0:0: [sr0] Unhandled sense code
[  415.123573] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  415.123578] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  415.123584] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  415.123589] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 01 00
[  415.123601] end_request: I/O error, dev sr0, sector 0
[  415.123625] EXT4-fs (sr0): unable to read superblock
[  421.347471] sr 0:0:0:0: [sr0] Unhandled sense code
[  421.347478] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  421.347486] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  421.347495] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  421.347504] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 01 00
[  421.347522] end_request: I/O error, dev sr0, sector 0
[  421.347644] EXT4-fs (sr0): unable to read superblock
[  427.561379] sr 0:0:0:0: [sr0] Unhandled sense code
[  427.561385] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  427.561390] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  427.561396] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  427.561401] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 02 00
[  427.561413] end_request: I/O error, dev sr0, sector 0
[  427.561420] Buffer I/O error on device sr0, logical block 0
[  435.423853] sr 0:0:0:0: [sr0] Unhandled sense code
[  435.423860] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  435.423868] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  435.423876] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  435.423883] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 02 00
[  435.423899] end_request: I/O error, dev sr0, sector 0
[  435.423908] Buffer I/O error on device sr0, logical block 0
[  443.566415] sr 0:0:0:0: [sr0] Unhandled sense code
[  443.566420] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  443.566425] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  443.566431] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  443.566436] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 02 00 00 02 00
[  443.566449] end_request: I/O error, dev sr0, sector 8
[  443.566456] Buffer I/O error on device sr0, logical block 1
[  453.035052] sr 0:0:0:0: [sr0] Unhandled sense code
[  453.035058] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  453.035063] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  453.035068] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  453.035073] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 02 00 00 02 00
[  453.035086] end_request: I/O error, dev sr0, sector 8
[  453.035093] Buffer I/O error on device sr0, logical block 1
[  461.127686] sr 0:0:0:0: [sr0] Unhandled sense code
[  461.127693] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  461.127701] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  461.127710] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  461.127718] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 04 00 00 02 00
[  461.127730] end_request: I/O error, dev sr0, sector 16
[  461.127738] Buffer I/O error on device sr0, logical block 2
[  474.345221] sr 0:0:0:0: [sr0] Unhandled sense code
[  474.345226] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  474.345231] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  474.345237] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  474.345242] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 04 00 00 02 00
[  474.345255] end_request: I/O error, dev sr0, sector 16
[  474.345262] Buffer I/O error on device sr0, logical block 2
[  481.553465] sr 0:0:0:0: [sr0] Unhandled sense code
[  481.553473] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  481.553481] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  481.553490] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  481.553498] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 06 00 00 02 00
[  481.553514] end_request: I/O error, dev sr0, sector 24
[  481.553523] Buffer I/O error on device sr0, logical block 3
[  503.305816] sr 0:0:0:0: [sr0] Unhandled sense code
[  503.305821] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  503.305827] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  503.305833] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  503.305838] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 06 00 00 02 00
[  503.305850] end_request: I/O error, dev sr0, sector 24
[  503.305858] Buffer I/O error on device sr0, logical block 3
[  509.521496] sr 0:0:0:0: [sr0] Unhandled sense code
[  509.521501] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  509.521506] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  509.521512] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  509.521517] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 01 00
[  509.521528] end_request: I/O error, dev sr0, sector 0
[  509.521554] FAT-fs (sr0): unable to read boot sector
[  515.795119] sr 0:0:0:0: [sr0] Unhandled sense code
[  515.795124] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  515.795129] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  515.795135] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  515.795140] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 10 00 00 01 00
[  515.795152] end_request: I/O error, dev sr0, sector 64
[  515.795178] isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, block=16
[  522.003371] sr 0:0:0:0: [sr0] Unhandled sense code
[  522.003378] sr 0:0:0:0: [sr0]  Result: hostbyte=0x00 driverbyte=0x08
[  522.003386] sr 0:0:0:0: [sr0]  Sense Key : 0x3 [current]
[  522.003394] sr 0:0:0:0: [sr0]  ASC=0x11 ASCQ=0x5
[  522.003401] sr 0:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 00 00 00 00 01 00
[  522.003417] end_request: I/O error, dev sr0, sector 0
[  522.003602] SQUASHFS error: squashfs_read_data failed to read block 0x0
[  522.003610] SQUASHFS error: unable to read squashfs_super_block
[ 3258.456692] brasero: sending ioctl 2285 to a partition!
[ 3258.459978] brasero: sending ioctl 2285 to a partition!

gerald_clark:
Use the mount tool to mount sr0.

curaga:
IO errors on sector 0? Is the cd, the drive or the cable going bad?

floppy:

--- Quote from: gerald_clark on June 09, 2012, 06:18:18 AM ---Use the mount tool to mount sr0.

--- End quote ---
I tried.
No sucess (see the error messsages above).

gerald_clark:
Sorry.  Eyes still blurry before breakfast.
Can you boot from this CD?
Did you try different media?
Does the drive work with different live distros?
Core has used several different kernels.
What versions of Core have you tried?
4.5.4?
4.0?
3.x?

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