Tom London wrote, On 03/14/2008 02:47 PM:
On Fri, Mar 14, 2008 at 11:20 AM, Bill Nottingham <notting@xxxxxxxxxx> wrote:
Tom London (selinux@xxxxxxxxx) said:
> So I'm curious..... what actually needs to be in modprobe.conf?
>
> Here is the one currently installed:
>
> alias scsi_hostadapter ahci
> options snd cards_limit=8
> alias snd-card-0 snd-hda-intel
> alias snd-card-1 snd-usb-audio
> options snd-hda-intel index=0
> options snd-usb-audio index=1
> remove snd-hda-intel { /sbin/salsa -s 0 >/dev/null 2>&1 || : ; };
> /sbin/modprobe -r --ignore-remove snd-hda-intel
> alias eth0 e1000
>
> Are any of these really needed?
No. The remove line for snd-hda-uintel actually does something useful,
but considering you're very unlikely to actually remove the module...
Bill
Cool. I renamed /etc/modprobe.conf to /etc/modprobe.conf.last and rebooted.
Haven't noticed any issues: network is up (as eth0 even!), and
pulseaudio/sound came up as well.
One fewer thing to maintain is always good!
I don't remember who/when the "scsi_hostadapter" line got inserted,
but I'm presuming the new stuff will "just work" with USB hard drives,
etc.
Thanks!
tom
Careful,
I have had issues in the past where I wanted to test changes to modprobe.conf
for some scsi settings...
I learned that (at least with some older systems, not sure about current ones)
the contents of modprobe.conf get [put into||used in the building of] the
initrd and until you build a new initrd the old settings continue to get used.
suggestion, make a backup of your current initrd and build a new one, then reboot.
Assuming the running kernel is the wan you want to do it for, then something like:
cp -p /boot/initrd-`uname -r`.img \
/boot/initrd-`uname -r`.img.worked
/sbin/new-kernel-pkg --package kernel \
--mkinitrd --depmod --install `uname -r`
use with care, and you may want to add a grub entry that uses the same kernel
and the ".worked" initrd, in case you need to get back where you are now.
--
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter
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