Re: udev and pci devices

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Fri, 2011-09-16 at 02:19 +0200, Holger Hans Peter Freyther wrote:
> Hi all,
> 
> we stumbled across an issue of udev and busybox/modprobe. udev detects a PCI
> device and according to udevadm test it is selecting:
> 
> udev_rules_apply_to_event: RUN '/sbin/modprobe -bv $env{MODALIAS}'
> /lib/udev/rules.d/80-drivers.rules:5
> udev_rules_apply_to_event: RUN '/sbin/modprobe $env{MODALIAS}'
> /etc/udev/rules.d/local.rules:31
> 
> 
> but as the busybox modprobe does not support the 'b' option it just fails
> before executing the other rules. There are some possible fixes to it.
> 
> 1.)
>   - remove the local.rules rule for loading the module
>   - build busybox with CONFIG_FEATURE_MODPROBE_BLACKLIST for -b support

This sounds like the correct thing to do I think since the
80-driver.rules file is coming from upstream, the local.rules piece is
our extras piece.

Cheers,

Richard