Re: [gentoo-user] Multiple Update Issues - what order should things be done?

[Alan McKinnon]

On Friday 05 March 2010 21:09:33 Tanstaafl wrote:
> Hello,
>
> I've got a concern with some updates that I need to get done. I'm sorry
> to say I put a few things off a bit too long, and now I'm uncertain as
> to what I should do first, or if it even matters.
>
> Here are the issues:
>
> 1. I'm on an older kernel (gentoo-sources, 2.6.23-r9)
>
> For reasons I won't go into now, the boss would rather wait on updating
> this, but he said if we have to, we have to...
>
> 2. I've currently got the lvm2 update blocker problem due to the
> device-mapper being merged into lvm2. I know how to fix this (according
> to the bug I found):
>
>  emerge -C device-mapper && emerge -vuDN lvm2
>
> (/ is not on lvm2, but /usr and /var are)
>
> but...
>
> 3. For some reason mysql wants to be rebuilt, and when I tried, it
> failed saying that it now requires gcc-4.3.4...
>
> I had already installed gcc-4.3.4 a while back, but still haven't
> switched to it, so currently everything is compiled with 4.1.2.

Then switch to 4.3.4

> So, what should I do first? Will the new version of lvm2 work ok with
> the older kernel?

Dunno, what does the ebuild say?

> If so I could switch to gcc-4.3.4, fix/update lvm2,
> then rebuild world, then update the kernel later once the boss is ok
> with it?

Just update the kernel and be done with it. This is the thing to do first and 
you already know that. So just do it.


> Also - when you switch compilers, do you need to reboot right away
> (after rebuilding world (and thus the kernel)?

What does rebooting have to do with the compiler? The compiler only builds 
code then stops. Rebooting does nothing to it.


-- 
alan dot mckinnon at gmail dot com