Bug#781002: initramfs-tools: no kernel modules are insert into initrd
On Fri, 2015-03-27 at 06:47 -0700, Marc MERLIN wrote:
> On Fri, Mar 27, 2015 at 08:10:31AM +0000, Ian Campbell wrote:
> > Control: retitle -1 initramfs-tools: does not support CONFIG_MODULE_COMPRESS
> >
> > On Fri, 2015-03-27 at 00:31 -0700, Marc MERLIN wrote:
> > > Sure, there you go
> > >
> > >
> > > Now I see the problem. It runs
> > > modprobe --all --set-version=3.19.2-amd64-i915-volpreempt-20141114
> > > --ignore-install --quiet --show-depends multipath.ko
> > > but I have
> > > /lib/modules/3.19.2-amd64-i915-volpreempt-20141114/kernel/drivers/md/multipath.ko.gz
> >
> > > (trailing .gz)
> >
> > Ah, yes. I see this is a new kernel option, CONFIG_MODULE_COMPRESS (with
> > gz and xz variants) which seems to have been introduced in v3.18-rc1.
> >
> > I suppose disabling that in your local builds would work around the
> > issue until initramfs-tools can be taught to cope.
>
> Yes, it was late last night when I found this, but indeed this was my
> plan :)
>
> All I needed was the way to run initramfs in debug mode and then it was
> obvious.
> Would you mind adding this in the man page? I could have debugged this a
> while ago had I had the easy way to run it in debug mode.
Adding some sort of --debug-trace option would be nicer than documenting
"run it under sh -x", but yes, it could be made easier/more obvious that
this was a useful debugging technique.
Ian.
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