Re: initramfs: is it supposed to work?
From: H. Peter Anvin (hpa_at_zytor.com)
Date: 12/31/04
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- In reply to: Michael Tokarev: "initramfs: is it supposed to work?"
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To: linux-kernel@vger.kernel.org Date: Fri, 31 Dec 2004 08:06:03 +0000 (UTC)
Followup to: <41D4A2A6.3060607@tls.msk.ru>
By author: Michael Tokarev <mjt@tls.msk.ru>
In newsgroup: linux.dev.kernel
>
> o And finally, when booting the "right way", using initramfs where
> /init gets executed with pid=1 and should do the same pivot_root
> and things like that, before the umount loop mentioned above,
> it looks almost right:
> rootfs /initrd rootfs ro 0 0
> /dev/hda1 / ext3 rw 0 0
> (this is where eg umount from busybox chokes, also entering
> endless loop.. but tha's a different story, it's an obvious
> bug in busybox.. however in order to fix it properly one have
> to know which cases like the 3 mentioned above are possible).
>
You don't pivot_root initramfs, because initramfs *IS* rootfs.
Instead, use the run-init program from the klibc distribution, or
something similar. It cleans up the initramfs contents and overmounts
it with the new root filesystem.
-hpa
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- Previous message: Dave Airlie: "[bk tree] minor DRM patches"
- In reply to: Michael Tokarev: "initramfs: is it supposed to work?"
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