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To: gentoo-dev@g.o
From: Joshua Kinard <kumba@g.o>
Subject: Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
Date: Mon, 12 Mar 2012 23:14:23 -0400
On 03/12/2012 22:33, Ian Stakenvicius wrote:

> 
> On 2012-03-12, at 9:22 PM, Joshua Kinard <kumba@g.o> wrote:
> 
>>
>> And yes, I've already tested out udev-181 on a VM with a
>> separate /usr.  With devtmpfs, the system fully boots just fine, no
>> initramfs needed.  Guess what the only piece of software to mess up is?
>> Udev.  I largely think it's a timing issue in OpenRC, however, because /usr
>> DOES get mounted fairly quickly, but not before udevd starts.  But udevd
>> does restart itself and everything looks to work fine.  If you aren't
>> watching the terminal, you wouldn't even notice the failures.
>>
> 
> 
> THANK YOU for testing this -- I could not forsee a reason, back when this process started, as to why openrc couldn't mount /usr before udev started.   since devtmpfs should provide the source devnode anyways.  It's good to have a (near) proof of that.
> 
> Ian

Yeah, I think it's an easy fix either in openrc or in an initscript
somewhere.  I changed nothing except my kernel (was missing devtmpfs -- it's
not under Filesystems!), uninstalled module-init-tools, and installed kmod +
udev-181.  Then rolled back the snapshot once I had the results.

See the attached PNG for the boot output I was able to grab before something
clears the screen.  There was a few extra lines after this, but I'm not that
fast on the screencap button.

-- 
Joshua Kinard
Gentoo/MIPS
kumba@g.o
4096R/D25D95E3 2011-03-28

"The past tempts us, the present confuses us, the future frightens us.  And
our lives slip away, moment by moment, lost in that vast, terrible in-between."

--Emperor Turhan, Centauri Republic
Attachment:
udev-181-test.png (PNG image)
Attachment:
signature.asc (OpenPGP digital signature)
Replies:
Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Ian Stakenvicius
Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Robin H. Johnson
References:
newsitem: unmasking udev-181
-- William Hubbs
Re: newsitem: unmasking udev-181
-- Rich Freeman
Re: Re: newsitem: unmasking udev-181
-- Luca Barbato
Re: Re: newsitem: unmasking udev-181
-- William Hubbs
Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Joshua Kinard
Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Ian Stakenvicius
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Updated Jun 29, 2012

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