On 2016-10-19 14:51, Michael Butash wrote:
I dd'ed a Gentoo net install image to a USB disk, then booted the
machine from that disk. The installer loaded its initrd, then
said that it couldn't find the root filesystem.
This appears to be a problem with the
install-amd64-minimal-20160908.iso image's kernel. Looks like there's a
bug in it that prevents it from recognizing or using USB drives. dmesg
from the shell shows it can't even see USB drives when they're plugged
in. Yes, I tried multiple drives, and said drives work fine with a
vanilla kernel. No label problems, just "we didn't bother to test
whether the USB storage system worked".
(I have run into enough weird bugs with Gentoo's supplied kernels that
now I grab a vanilla tarball and build it as soon as I can. YMMV.)
I ran into an issue years ago fiddling with Arch where their iso
would only boot with a particular disk label, using that (in theory)
to find what /dev/sdX it was found by udev as. A flawed
ass-u-me'ption, as unetbootin didn't bother to write the correct label
the iso was looking for
This seems odd, because when you dd something to a raw device, you
shouldn't even have to write a label--the label is already in the ISO
(or whatever).
I've personally never had good luck making/booting linux iso's from
usb oddly, especially debian-installer-based systems just never work
right even once booted. I keep an old usb cdrom around as sadly we
can't seem to move beyond them.
We will always have the old stuff with us, because the new fancy stuff
so often overpromises and underdelivers in spectacular ways.
--
Crow202 Blog: http://crow202.org/wordpress
There is no Darkness in Eternity
But only Light too dim for us to see.
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