retitle 290629 hdparm: Does not set up devices that need modules loaded first merge 290629 250232 thanks
This one time, at band camp, Christophe Combelles said:
> One of my systems have an aditionnal PCI IDE adapter (via pdc202xx_new)
> I have configured /etc/hparm.conf with:
> /dev/hde {
> dma=on
> interrupt_unmask = on
> io32_support = 1
> }
> /dev/hdg {
> dma=on
> interrupt_unmask = on
> io32_support = 1
> }
>
> but hde and hdg are never optimized at boot.
> I have to manually run: /etc/init.d/hdparm restart
> or hdparm -d 1 /dev/hde
> in order to enable DMA on these drives.
>
> I guess the pdc202 module is loaded after hdparm?
> or anything else ?
That is exactly the problem. See
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=250232 for a lot of
ideas about how to implement this, and
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=249446 and
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=274109 for udev related
bug reports.
My main problem with working with this recently is lack of time and
hardware that has these requirements - all of my machines only need the
modules that are in my initrd, so the hdparm script works correctly for
all of them the first time.
I think moving towards an hdparm.second or something is probably the way
to go, but I am not sure yet how I am going to accomplish this. There
are problems introduced by alternate init schemes (runit, minit, etc)
that I also don't use, so determining which script is being run is not
as trivial as I would like.
So, since this bug is mostly the same as #250232 (needs a two stage init
run to properly set up devices that depend on a later module load), I am
going to merge this with that bug, and leave them both open until I can
get the time to properly sort this out.
Thanks for reporting,
--
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