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#1 2010-02-01 01:59:26
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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[SOLVED] Cannot mount CDs
I am on KDE4. While DVDs are automounted, I cannot mount cdroms. On manually mounting, I get segmentation error. Any tips?
[root@arch_devb devadittya]# mount /dev/cdrom /media/cd/
Segmentation faultLast edited by devadittya (2010-02-03 14:40:27)
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#2 2010-02-01 02:46:04
- Lexion
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- Registered: 2008-03-23
- Posts: 510
Re: [SOLVED] Cannot mount CDs
have you tried mounting a cdrom via /dev/dvd? that always worked for me....
urxvtc / wmii / zsh / configs / onebluecat.net
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#3 2010-02-01 03:12:51
- sand_man
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- From: Australia
- Registered: 2008-06-10
- Posts: 2,164
Re: [SOLVED] Cannot mount CDs
I always use /dev/sr0
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#4 2010-02-01 03:19:50
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
i have tried /dev/sr0, and that seems to give me the same error. I'll try /dev/dvd.
I have this question though, shouldn't HAL automount CDs as well? It only seems to automount DVDs.
Last edited by devadittya (2010-02-01 03:20:10)
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#5 2010-02-01 10:48:35
- Acecero
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- Registered: 2008-06-21
- Posts: 1,373
Re: [SOLVED] Cannot mount CDs
When inserting a CD, try seeing what device file it is by seeing the latest output from: dmesg
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#6 2010-02-02 22:48:15
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
The dmesg output suggests that it is sr0, but I am still getting segmentation fault. Dmesg has a bunch of other errors as well:
Here is the dmesg output:
$
dmesg
blah blah blah
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
tg3 0000:08:00.0: irq 31 for MSI/MSI-X
tg3: eth0: Link is up at 100 Mbps, full duplex.
tg3: eth0: Flow control is on for TX and on for RX.
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
pci 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[drm] Initialized drm 1.1.0 20060810
[drm] radeon defaulting to userspace modesetting.
pci 0000:01:00.0: setting latency timer to 64
[drm] Initialized radeon 1.31.0 20080528 for 0000:01:00.0 on minor 0
[drm] Setting GART location based on new memory map
[drm] Loading RV710 CP Microcode
platform r600_cp.0: firmware: requesting radeon/RV710_pfp.bin
platform r600_cp.0: firmware: requesting radeon/RV710_me.bin
[drm] Resetting GPU
[drm] writeback test succeeded in 1 usecs
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
eth0: no IPv6 routers present
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: irq_stat 0x40000001
sr 1:0:0:0: CDB: cdb[0]=0x0: 00 00 00 00 00 00
ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
ata2.00: status: { DRDY ERR }
CE: hpet increasing min_delta_ns to 15000 nsec
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
mount[2421]: segfault at 3c ip 00007ffc76234eb1 sp 00007fff0d8ac7a0 error 4 in libblkid.so.1.1.0[7ffc76223000+1b000]
ata2: exception Emask 0x1 SAct 0x0 SErr 0x0 action 0x0 t4
ata2: irq_stat 0x40000008
CE: hpet increasing min_delta_ns to 22500 nsec
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: irq_stat 0x40000001
sr 1:0:0:0: CDB: cdb[0]=0x0: 00 00 00 00 00 00
ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
res 51/68:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
ata2.00: status: { DRDY ERR }
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785
sr 1:0:0:0: [sr0] Unhandled sense code
sr 1:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
sr 1:0:0:0: [sr0] Sense Key : 0x4 [current]
sr 1:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
sr 1:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 04 ef f2 00 00 02 00
end_request: I/O error, dev sr0, sector 1294280
Buffer I/O error on device sr0, logical block 161785Offline
#7 2010-02-03 00:56:55
- ewaller
- Administrator
- From: Pasadena, CA
- Registered: 2009-07-13
- Posts: 19,791
Re: [SOLVED] Cannot mount CDs
Its not an audio CD is it?
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way
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#8 2010-02-03 01:22:17
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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#9 2010-02-03 02:55:28
- panuh
- Member
- From: X :ɯoɹℲ
- Registered: 2009-11-24
- Posts: 144
Re: [SOLVED] Cannot mount CDs
have you tried making an image and mounting that instead?
# dd if=/dev/sr0 of=WC3.iso
# mkdir /mnt/WC3/
# mount -o loop /path/to/WC3.iso /mnt/WC3/or whatever folder you prefer instead of /mnt/WC3/
EDIT: Oh, kind of lost track here. Of course this is not a real solution if it's not only about one certain CD.
Got confused because you only named one. But you already have tried others, right?
Last edited by panuh (2010-02-03 02:57:24)
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#10 2010-02-03 03:42:07
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
I have tried a number of CDs. It has no problems with DVDs of any kind, DVDs get automounted actually. CDs on the other hand, just refuse to mount.
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#11 2010-02-03 04:10:24
- panuh
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- From: X :ɯoɹℲ
- Registered: 2009-11-24
- Posts: 144
Re: [SOLVED] Cannot mount CDs
you should try mounting with the filesystem type given.
I found this thread in spanish which states that libblkid is used to recognize the filesystem. [EDIT: I mean type of disk, at least I think thats what it means]
That person is having trouble with cd/dvd mounting in general but maybe it can help you. There is a patch for hal in the last reply.
Don't know if it is a good idea but maybe it brings you further 
Last edited by panuh (2010-02-03 04:13:42)
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#12 2010-02-03 13:53:39
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
I am having problems with a few CDs. I can't fix it though. I'll use the .iso method for now. Thanks a lot guys.
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#13 2010-02-03 14:17:51
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
Now, I tried dd for the Frozen Throne CD, and I get this message:
# dd if=/dev/sr0 of=TFT.iso
dd: opening `TFT.iso': Read-only file system
Last edited by devadittya (2010-02-03 14:18:47)
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#14 2010-02-03 14:27:42
- perbh
- Member
- From: Republic of Texas
- Registered: 2005-03-04
- Posts: 765
Re: [SOLVED] Cannot mount CDs
Now, I tried dd for the Frozen Throne CD, and I get this message:
# dd if=/dev/sr0 of=TFT.iso dd: opening `TFT.iso': Read-only file system
and exactly _where_ were you standing (pwd) when you issued that command?
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#15 2010-02-03 14:30:47
- panuh
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- From: X :ɯoɹℲ
- Registered: 2009-11-24
- Posts: 144
Re: [SOLVED] Cannot mount CDs
instead of 'of=TFT.iso' do 'of=/home/[youruser]/TFT.iso' or a directory like that where you know you have write access.
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#16 2010-02-03 14:36:32
- devadittya
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- From: Bangalore
- Registered: 2009-11-16
- Posts: 127
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Re: [SOLVED] Cannot mount CDs
Got around it. The previous ISO was still mounted while I was trying to create a new ISO. That is what created the problem. Unmounted that, and everything works fine. Thanks a lot guys, and sorry for the trouble.
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