Re: RFC: DKMS - Dynamic Kernel Module Support
On Thu, Sep 11, 2008 at 07:50:35PM +0200, David Paleino wrote:
> On Thu, 11 Sep 2008 19:43:39 +0200, Josselin Mouette wrote:
>
> > Le jeudi 11 septembre 2008 à 19:23 +0200, David Paleino a écrit :
> > > > One of the issues I’m wondering about is: how do you ensure you always
> > > > have the kernel headers for the installed kernels?
> > >
> > > Some kind of check inside DKMS? In the end, that's a Bash script, and the
> > > Debian maintainer (i.e. me, in this case) could just maintain a patch for
> > > this (or just issue a warning at the kernel post-inst hook looking like
> > > "Hey, if you do not install linux-headers-foo, you won't be able to use
> > > these modules: foo bar baz buz").
> >
> > Yes, and if dkps depends on linux-headers-2.6-$subarch, that will do the
> > trick at least for the default kernel. (Depending on just
> > linux-headers-2.6 is not enough, since linux-headers-2.6.xx-y-$subarch
> > provides it).
>
> With "-foo" I meant "-x.x-y-$arch" ;)
>
> Sorry for abbreviating!
>
> > > Or, better, DKMS as an "autoinstall" option in its configuration file: we
> > > could use a kernel postinst hook to check this value, and if it's set to
> > > yes (or true, or 1, or whatever), auto-download and install kernel-headers.
> > > Would this be acceptable?
> >
> > You’d run into the same issue as module-assistant has: a package being
> > installed cannot launch installation of other packages.
>
> Uhm, right.
> I believe there could be a margin of improvement here for apt-get:
>
> 1) apt-get install linux-image-2.6-blabla
> 2) ...installation goes...
> 3) the postinst hook sets an "APT flag" (something like: "please rerun because
> you still have things to do") with some "action" (i.e. "mark package FOO for
> installation)
> 4) apt-get checks if there are any flags set, and if so, acts consequently.
Do you actually have a working build system? Must you have a build
system on every host?
What is the name of the generated deb package? Can two packages of
different kernel architectures liv in the same system? 2.6.26-1-486 and
2.6.26-1-686 .
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