Listening to music? Not me! (can't play or rip audio CDs)
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Not that it will help, but when I have experienced this it was always one of two things:
1) The volume. Open up alsamixer and make sure that the CD drive is not muted. Note, the control for your CD drive may not be the one you think it is. Try them all.
2) Hardware. The audio output cable from the CD drive is often times not hooked up correctly to the motherboard/soundcard.
OK, another possibilty is that everything is pointing to /dev/cdrom and that is not actually your cdrom. Here's how I locate my cdrom:
Code:
shilo@shilo2:~$ dmesg |grep -i cd
hdc: LITE-ON DVDRW SOHW-832S, ATAPI CD/DVD-ROM drive
hdd: DVD-ROM BDV316C, ATAPI CD/DVD-ROM drive
hdc: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
ehci_hcd 0000:00:03.3: Silicon Integrated Systems [SiS] USB 2.0 Controller
ehci_hcd 0000:00:03.3: irq 23, pci mem 0xe2002000
ehci_hcd 0000:00:03.3: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:03.3: USB 2.0 initialized, EHCI 1.00, driver 10 Dec 2004
ohci_hcd: 2004 Nov 08 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ohci_hcd 0000:00:03.0: Silicon Integrated Systems [SiS] USB 1.0 Controller
ohci_hcd 0000:00:03.0: irq 20, pci mem 0xe2000000
ohci_hcd 0000:00:03.0: new USB bus registered, assigned bus number 2
ohci_hcd 0000:00:03.1: Silicon Integrated Systems [SiS] USB 1.0 Controller (#2)
ohci_hcd 0000:00:03.1: irq 21, pci mem 0xe2001000
ohci_hcd 0000:00:03.1: new USB bus registered, assigned bus number 3
So, more information than I needed, but in my case, I now know that I have an optical device on /dev/hdc and /dev/hdd. Now, let's check out the important stuff:
So, if a program is pointing to /dev/cdrom, I know that in my case it is looking for a CD in /dev/hdd. I also know form the previous output that /dev/hdd is an optical device, so I am all set.
So, check your symlink. What do you do if your symlink is incorrect? Depends on whether or not you are using udev.
***EDIT***
By symlink being incorrect, I mean either it points to the wrong device, doesn't exist, or has incorrect permissions.
root@darkstar:/home/scott# dmesg |grep -i cd
hdc: SONY CD-RW CRX220E1, ATAPI CD/DVD-ROM drive
hdc: ATAPI 52X CD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
ehci_hcd 0000:00:1d.7: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller
ehci_hcd 0000:00:1d.7: BIOS handoff failed (104, 1010001)
ehci_hcd 0000:00:1d.7: continuing after BIOS bug...
ehci_hcd 0000:00:1d.7: irq 9, pci mem 0xfebffc00
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1d.7: USB 2.0 initialized, EHCI 1.00, driver 26 Oct 2004
uhci_hcd 0000:00:1d.0: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #1
uhci_hcd 0000:00:1d.0: irq 11, io base 0xcc00
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.1: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #2
uhci_hcd 0000:00:1d.1: irq 5, io base 0xd000
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.2: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #3
usb 2-2: new low speed USB device using uhci_hcd and address 2
uhci_hcd 0000:00:1d.2: irq 10, io base 0xd400
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.3: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #4
uhci_hcd 0000:00:1d.3: irq 11, io base 0xd800
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
ohci_hcd: 2004 Nov 08 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
root@darkstar:/home/scott# ls -l /dev/cdrom
lrwxrwxrwx 1 root root 3 2005-06-14 11:47 /dev/cdrom -> hdc
The symlink is pointing to the right place, so what's going on?
Originally posted by shilo Again, what are the permissions?
Did you try rebooting after adding yourself to the cdrom group?
I had the same problem with adding users to groups and not getting anywhere. Never thought to reboot. I always found another way, but thanks for this Shilo
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