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Date: Wed, 28 Nov 2007 00:12:03 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Frank Shute <frank@esperance-linux.co.uk>
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Cc: Andy Greenwood <greenwood.andy@gmail.com>,
	Aryeh Friedman <aryeh.friedman@gmail.com>, freebsd-questions@freebsd.org
Subject: Re: Upper limit on make -j ?
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Frank Shute wrote:
> On Tue, Nov 27, 2007 at 08:02:44PM +0100, Kris Kennaway wrote:
>> Andy Greenwood wrote:
>>> Aryeh Friedman wrote:
>>>> Before I file a PR I just want to know if it is worth it to file a PR 
>>>> for:
>>>>
>>>> make -j1000 buildworld buildkernel installkernel
>>>> seg faulting
>>>>  
>>> I thought that the kernel builds couldn't be built using parallel jobs, 
>>> that it might break something. Is that not true?
>> Not true for many years.
>>
> 
>>From /usr/src/UPDATING:
> 
>         "Avoid using make -j when upgrading.  From time to time in the
>         past there have been problems using -j with buildworld and/or
>         installworld.  This is especially true when upgrading between
>         "distant" versions (eg one that cross a major release boundary
>         or several minor releases, or when several months have passed
>         on the -current branch)"
> 
> Should this be changed then?

Maybe.

Kris