Re: U-Boot on QNAP TS-421
Ah, param.conf. Can't believe I missed something that obvious. Thanks.
Ian Campbell <ijc@hellion.org.uk> wrote:
>On Thu, 2014-02-13 at 00:36 +0000, Gordan Bobic wrote:
>> OK, I have Debian running on my QNAP now. :)
>>
>> I'm having a read through the initramfs but I can't seem to figure out
>> where the rootfs override occurs. I can see all the standard stuff that
>> is figuring out which FS it is by LABEL= and UUID= specifications on the
>> kernel command line, but that is clearly not useful here because the
>> kernel bootargs say root=/dev/ram, and that is certainly not the rootfs
>> that ends up being used. How does it figure out which FS to mount as rootfs?
>
>Flash kernel
>installs /usr/share/initramfs-tools/hooks/flash_kernel_set_root which
>does:
> # The boot loader passes a bogus root= (e.g. root=/dev/ram), so
> # override the command line parameter.
> install -d $DESTDIR/conf
> echo "ROOT=\"$rootdev\"" >> $DESTDIR/conf/param.conf
>
>($DESTDIR will become the initramfs)
>
>Ian.
>
>
>
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