Arch Linux

curiousmitchell

Member

Registered: 2017-05-08

Posts: 26

No sr_mod [solved]

Hi, I've installed Archlinux on a box with no optical disk drive - it's been over a year and I never use it. I just plugged in a usb optical drive however, and while the drive spins, Arch isn't recognizing it. With further investigation, I have no sr_mod. Any ideas how I add this? Has this module been removed from the kernel by default?

I've added my user to the optical group, however seems without this module it's not working. Have I missed something? Very stumped here... just trying to read music from my usb optical drive. I appreciate any feedback or suggestions.

Thanks!

Last edited by curiousmitchell (2018-09-25 21:06:19)

Trilby

Inspector Parrot

Registered: 2011-11-29

Posts: 29,523

Website

Re: No sr_mod [solved]

Have you rebooted since the last kernel upgrade?  In other words, do `pacman -Q linux` and `uname -a` give the same kernel version number?

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"UNIX is simple and coherent..." - Dennis Ritchie, "GNU's Not UNIX" -  Richard Stallman

curiousmitchell

Member

Registered: 2017-05-08

Posts: 26

Re: No sr_mod [solved]

I almost never reboot...

Output is:
pacman -Q linux
linux 4.18.7.arch1-1

&
uname -a
Linux curious-desktop 4.18.6-arch1-1-ARCH #1 SMP PREEMPT Wed Sep 5 11:54:09 UTC 2018 x86_64 GNU/Linux

Is rebooting essential?

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 19,772

Re: No sr_mod [solved]

Yep.
Note that the kernel (and modules) that are installed are newer than the kernel you are running.  The old kernel can no longer find it modules and it cannot load them (they are gone, including sr_mod)

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Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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How to Ask Questions the Smart Way

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,424

Website

Re: No sr_mod [solved]

Only if you want modules to load...

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Arch + dwm   •   Mercurial repos  •   Surfraw

Registered Linux User #482438

curiousmitchell

Member

Registered: 2017-05-08

Posts: 26

Re: No sr_mod [solved]

Wow - thanks heaps. Will try it tonight and post solved (hopefully). Cheers.

curiousmitchell

Member

Registered: 2017-05-08

Posts: 26

Re: No sr_mod [solved]

Awesome - a reboot solved it. Was then able to load the module, and access my usb cd drive. Thanks!