Re: [gentoo-user] clone root from HDD to SSD causes no video with NVIDIA driver

[Neil Bothwick]

On Mon, 8 Jun 2020 18:07:37 +0000, Raffaele BELARDI wrote:

> > -----Original Message-----
> > From: Neil Bothwick <neil@××××××××××.uk>
> > Sent: Monday, June 8, 2020 18:07
> > To: gentoo-user@l.g.o
> > Subject: Re: [gentoo-user] clone root from HDD to SSD causes no video
> > with NVIDIA driver
> >
> > You're missing device nodes in /dev that are needed before udev
> > populates it. Simply excluding the virtual filesystems as you have
> > results in these files not being copied as they are hidden behind the
> > virtual /dev/ mounted from used. The way I clone a root device is
> >
> > mkdir -p /mnt/root
> > mount --bind / /mnt/root
> > rsync -a /mnt/root/ /mnt/new/device/
> >
> > That preserves files that are otherwise hidden by mounted filesystems.
> >
> I tried this:
> # mkdir -p /mnt/root
> # mount --bind / /mnt/root
>
> The bind-mounted dev/ does not contain all devices, in particular the
> nvidia ones are missing. BTW, I thought these were created dynamically
> during the module load. Then, for a quick test: # rsync -a
> /mnt/root/dev/* /mnt/new/device/dev

It won't contain all devices, just the bare minimum needed to open a
console etc. The rest are created dynamically when udev starts, all you
need before then is enough to get you to that point.


> But it did not fix the issue.

Then you have a different problem, since the dev directory of the root
partition (which is not the same as /dev on the booted system) should now
contain the same on both disks.
 

-- 
Neil Bothwick

Isn't it a bit unnerving that doctors call what they do "practice?"