Re: [gentoo-user] udev update

[Francisco Ares <frares@gmail.com>]

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2014-11-10 12:37 GMT-02:00 Rich Freeman <rich0@gentoo.org>:

> On Mon, Nov 10, 2014 at 9:20 AM, Tanstaafl <tanstaafl@libertytrek.org>
> wrote:
> > On 11/10/2014 8:21 AM, Francisco Ares <frares@gmail.com> wrote:
> >> Checking the news (eselect news read), I see that an upgrade to udev-217
> >> might break firmware loading, so the news tagged
> >> "2014-11-07-udev-upgrade" says that a kernel >= 3.7 should be
> configured to:
> >>
> >> CONFIG_FW_LOADER_USER_HELPER=n
> >>
> >> Is it that simple?  Trying a new kernel build using "menuconfig", it
> >> says that CONFIG_FW_LOADER_USER_HELPER depends on CONFIG_FW_LOADER, and
> >> this one depends on a huge list of other configuration elements.
> >>
> >> Any thoughts?
> >
> > Ueah... UGH... thanks Lennart/systemd devs for yet another thing to have
> > to worry about...
> >
>
> From the kernel config instructions (something not written by the systemd
> devs):
> This option enables / disables the invocation of user-helper
> (e.g. udev) for loading firmware files as a fallback after the
> direct file loading in kernel fails. The user-mode helper is
> no longer required unless you have a special firmware file that
> resides in a non-standard path. Moreover, the udev support has
> been deprecated upstream.
>
> Announcing a feature as deprecated and later dropping it is hardly
> controversial.  You chose a distro that gives you a choice of things
> like your udev implementation and your kernel implementation (or using
> udev at all), and as a result you get to deal with the fact that some
> versions of the one have constraints on how you use the other.  If you
> ran a distro like Ubuntu you wouldn't have to worry about any of this,
> as you'd use the udev they gave you and the precompiled kernel they
> gave you and the world's greatest desktop environment and you'd be
> happy with it.  Anybody who has run Gentoo for a long time knows that
> from time to time some change comes along and you'll just have to deal
> with it - you can't just ignore things like firmware-loading on Gentoo
> the way you can with some other distros.
>
> Of course, nothing prevents anybody from creating a preconfigured
> kernel for Gentoo.  There is genkernel of course, though I think we
> probably could do better.  Most seem to be happy just managing their
> own kernel configurations, and I think that is why nobody has bothered
> to spend much time perfecting a canned kernel.
>
> Going back to the original question, yes - it is that simple.
> Dependencies are just dependencies - you only have to worry about them
> when you turn things ON.
>
> --
> Rich
>
>

Ok, I will try.

So, if I understood something, I will probably have to check this
configuration entry every time I build a new kernel from now on, because
"menuconfig" will probably set this on because of its dependencies, is this
correct?

Thanks!
Francisco

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