linux-kernel - Re: CONFIG_UEVENT

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Message-ID: <20140703212411.GB23074@milliways>
Date:	Thu, 3 Jul 2014 22:24:11 +0100
From:	Ken Moffat <zarniwhoop@...world.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Greg KH <greg@...ah.com>, Michael Marineau <mike@...ineau.org>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-kernel@...r.kernel.org
Subject: Re: CONFIG_UEVENT_HELPER default

On Tue, Jun 24, 2014 at 11:35:09PM +0100, Ken Moffat wrote:
> On Tue, Jun 24, 2014 at 12:55:26PM -0700, Andy Lutomirski wrote:
> > On 06/24/2014 11:33 AM, Greg KH wrote:
> > > On Tue, Jun 24, 2014 at 11:30:05AM -0700, Michael Marineau wrote:
> > >> On Jun 24, 2014 11:23 AM, "Alan Stern" <stern@...land.harvard.edu> wrote:
> > >>>
[ snipping most of this ]
> (i.) I got the option with 'make oldconfig' and, after reading the
> help, made a decision.  But, in the absence of other problems, and
> if the help text is correct, it looks as if a kernel built after
> accepting the default 'Y' here with recent userspace might grind to
> a halt after "successfully" booting?  That sounds slightly better
> than "fails to boot", but only slightly.  Maybe the problem needs
> a lot of modules, or is it something like "it will hang for a minute,
> then boot" ?
> 
> (ii.) I understand that people continue to use ancient userspace,
> and for that the 'Y' option is needed.  Using ancient userspace is
> a worthwhile thing for _somebody_ to try.  But where is the line
> between "you need to enable this" and "enabling this might be a
> really bad idea" ?  Maybe a specific version of udev ?
> 
 Now that I have managed to boot -rc3, with the default 'Y' on a
recent system (linuxfromscratch from May), it appears to work fine.

 So, the text implies that bad things might happen, but so far I have
not seen them.  I'll stop caring.

ĸen
-- 
Nanny Ogg usually went to bed early. After all, she was an old lady.
Sometimes she went to bed as early as 6 a.m.
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