Re: Bug#263079: udev: missing mknod on ppp

["Alexander E. Patrakov" <patrakov@ums.usu.ru>]

Marco d'Itri wrote:

>  On Aug 03, Luke Kenneth Casson Leighton <lkcl@lkcl.net> wrote:
>
> > thank you for pointing me at the README.Debian because it makes
> > clear that for SE/Linux there are certain /dev entries that may not
> > get fired up by udev, and consequently won't have se/linux
> > permissions set!
>
>  On debian, *all* devices are supposed to be created by udev if udev
>  is installed (because /dev is a tmpfs). I don't know why /dev/ppp is
>  not being created on your system.
>
Bedause the ppp-generic module is not autoloaded (put it into 
/etc/modules or see below).

The same problem exists for all "non-hardware" modules. It can be solved 
by explicitly loading all these non-hardware modules at system startup. 
The following bootscriptlet loads all modules that potentially create 
devices and don't need hardware (i.e. exactly those drivers that are 
autoloaded on demand due to "char-major" aliases without udev):

    KVERSION=`uname -r`
    for module in `egrep '^alias (char|block)-major' \
        /lib/modules/$KVERSION/modules.alias /etc/modprobe.conf | \
        grep -v 1394 | awk '{print $3;}'`
    do
        modprobe $module
    done

I think it should be a part of Debian udev package (add some blacklist 
facility if you wish). "grep -v 1394" is because of the kernel bug 
mentioned here:

http://lkml.org/lkml/2004/5/30/143

-- 
Alexander E. Patrakov






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