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<H1>[Mageia-dev] Issues with dracut</H1>
<B>JA Magallon</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Issues%20with%20dracut&In-Reply-To=%3C20111217000836.4acc5d4e%40werewolf.home%3E"
TITLE="[Mageia-dev] Issues with dracut">jamagallon at ono.com
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<I>Sat Dec 17 00:08:36 CET 2011</I>
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<PRE>On Fri, 16 Dec 2011 12:35:22 +0000
Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
><i> Hiya,
</I>><i>
</I>><i> 'Twas brillig, and JA Magallon at 16/12/11 12:06 did gyre and gimble:
</I>><i> > After those couple previous thread it looks like move to dracut is
</I>><i> > ongoing, so I decided to try it.
</I>><i>
</I>><i> Good! This is exactly the kind of feedback we need!
</I>><i>
</I>><i> > I found a couple problems:
</I>><i> >
</I>><i> > - dracut inists on loading nouveau driver. With mknitrd, just booting with nokmsboot
</I>><i> > works. Booting with a dracut generated initrd ignores that. I think it is plymouth
</I>><i> > that forces it, even if I added 'blacklist nouveau' in a .conf file in modprobe.d:
</I>><i> >
</I>><i> > dracut -f:
</I>><i>
</I>><i> I'll include it but if it's blacklisted, it shouldn't ultimately be used
</I>><i> in the ramfs even if it's included. That said, it's clearly inefficient
</I>><i> to include it if it is blacklisted so we should try and fix that. Anssi,
</I>><i> could this be your code to detect the h/w that causes it to bypass any
</I>><i> blacklist checks (not sure if there are actually any blacklist checks
</I>><i> when building the initrd... not relaly looked at it much)
</I>><i>
</I>><i> I think the nokmsboot parameter is not working in dracut because the
</I>><i> udev rule that interprets it uses the grep command and that is not
</I>><i> currently included in the ramdisk. I could hack it in easy enough, but
</I>><i> we should maybe see if a more minimal method of detecting it in the
</I>><i> commandline is possible.
</I>><i>
</I>
If its is (d)ash:
CMDLINE=$(cat /proc/cmdline)
case "${CMDLINE}" in
*" nokmsboot "*)
echo YES
;;
esac
if if uses bash:
CMDLINE=$(cat /proc/cmdline)
if [[ "${CMDLINE}" == *" nokmsboot "* ]]
then
echo YES
fi
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