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Hi
I was trying to listen to audio cd i bought recently, but there is no /dev/sr0 or /dev/cdrom on my system (anymore). Although I clearly remember reading it a few days ago.. Some info:
[cra@pintsize 10:02:16 ~]
$ lsmod | grep cd
cdrom 31853 0
uhci_hcd 19144 0
ehci_hcd 35525 0
usbcore 114199 6 uas,uvcvideo,usb_storage,uhci_hcd,ehci_hcd
[cra@pintsize 10:04:05 ~]
$ uname -a
Linux pintsize 2.6.38-ck #1 SMP PREEMPT Wed May 11 19:03:06 EDT 2011 i686 Intel(R) Pentium(R) Dual CPU T2330 @ 1.60GHz GenuineIntel GNU/Linux
[cra@pintsize 10:04:11 ~]
$ ls /dev/sr0
ls: cannot access /dev/sr0: No such file or directory
[cra@pintsize 10:05:47 ~]
$ ls /dev/cdrom
ls: cannot access /dev/cdrom: No such file or directory
[cra@pintsize 10:08:42 ~]
$ lspci
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) (rev 03)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (secondary) (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
04:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
It's Acer Aspire 2920Z. I have an ARCH Linux stock kernel also installed, but the symptoms seems to be the same. I put the cd in, it beeps, starts trying to rotate (the sounds looks familiar, like they always were). Any ideas?
Checked with other cd, same thing.
Last edited by cra (2011-06-16 07:10:05)
Thou shalt not make a machine in the likeness of a human mind
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are you in the 'optical' group?
$ groups
if not, do
$ sudo gpasswd optical -a cra
$ newgrp optical
Last edited by oliver (2011-05-28 15:15:03)
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are you in the 'optical' group?
$ groups
if not, do
$ sudo gpasswd optical -a cra
$ newgrp optical
That isn't the problem. The device isn't showing up so it is not just a permissions problem.
Steven [ web : git ]
GPG: 327B 20CE 21EA 68CF A7748675 7C92 3221 5899 410C
Do not email: honeypot@stebalien.com
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Could it be listed as sr1 or something? try:
ls /dev/sr*
Otherwise yes, it sounds like it's not being found. If you dual-boot Windows, check that it works properly there. Failing that, check the BIOS. Have you made any system changes recently?
thayer williams ~ cinderwick.ca
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[cra@pintsize 00:42:38 ~]
$ ls /dev/sr*
ls: cannot access /dev/sr*: No such file or directory
[cra@pintsize 00:42:41 ~]
$ id
uid=1000(cra) gid=100(users) groups=100(users),50(games),90(network),91(video),92(audio),93(optical)
I don't remember making any "big" changes to my system. You mean hardware changes?
Also, I don't use Windows, can't check that. BIOS bootscreen shows up my cdrom.
Thou shalt not make a machine in the likeness of a human mind
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I don't know what is causing this problem but the recent udev update may be to blame (start by downgrading it). It may also have been caused by the recent kernel update but that is less likely.
Steven [ web : git ]
GPG: 327B 20CE 21EA 68CF A7748675 7C92 3221 5899 410C
Do not email: honeypot@stebalien.com
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...
(6/6) upgrading udev [#################################################] 100%
ATTENTION UDEV:
---------------
Kernel 2.6.32 or newer is now required.
OSS emulation modules are not loaded by default, add to rc.conf if needed.
Arch specific cd symlinks are now no longer created.
cd and net persistent rules will no longer be autogenerated,
see <https://wiki.archlinux.org/index.php/Udev> for details.
Errors are now logged (possibly to the console) by default.
There's no /etc/udev/rules.d/75-cd-aliases-generator.rules.optional but I don't know if it has anything to do with your problem.
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I did "yaourt -S udev-compat" and "yaourt -Syu" recently and the problem is gone by today - I can "see" my cdrom.
Thanks you guys for directions (:
Thou shalt not make a machine in the likeness of a human mind
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