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sm-discuss - Re: [SM-Discuss] udev module loading order

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  • From: Eric Sandall <eric AT sandall.us>
  • To: Juuso Alasuutari <iuso AT sourcemage.org>
  • Cc: sm-discuss AT lists.ibiblio.org
  • Subject: Re: [SM-Discuss] udev module loading order
  • Date: Thu, 13 Apr 2006 09:38:54 -0700 (PDT)

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On Thu, 13 Apr 2006, Juuso Alasuutari wrote:
Udev will not load modules in a set order, which results in network interfaces
and sound devices popping up with randomly ordered names. This is not a bug
but a fact resulting from various conditions. This wisdom was revealed to me
on linux-hotplug-devel in this message:
http://marc.theaimsgroup.com/?l=linux-hotplug-devel&m=114488954524629&w=2

Although SMGL does not imply udev, and udev's module autoloading does not
imply having set interface names, I feel this is a nagging issue
nevertheless. While adding udev rules to bind interface names is easy for
anyone to do with simple instructions (which we don't have btw), it's a bit
embarrassing for us when a relatively helpless new user can't keep his
networking in one piece after initial SMGL install. Most if not all distros
can at least fulfill this "little" requirement to ensure a pleasant start.

What I've described here is imho the last and most annoying thing standing
between us and The Future(TM). Yes, kill the beast that is hotplug. So I'm
asking for ideas on how we could at least ensure that the network interfaces
are consistent from boot one. Maybe add a script to the udev spell which
automatically creates 00-binding.rules to carve the interface loading order
in stone? I don't think it would be difficult.

I was under the impression that udev would do the consistent device
naming for us by keeping a database of serial numbers (or some other
unique identifier) for each device and which name it was given on the
first boot and give the device said name on every boot.

- -sandalle

- --
Eric Sandall | Source Mage GNU/Linux Developer
eric AT sandall.us | http://www.sourcemage.org/
http://eric.sandall.us/ | SysAdmin @ Inst. Shock Physics @ WSU
http://counter.li.org/ #196285 | http://www.shock.wsu.edu/
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