[oe] [meta-handheld][PATCH 2/3] udev: add bbappend and disable device cache as default.

[Koen Kooi]

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Op 03-11-11 10:22, Andrea Adami schreef:
> On Thu, Nov 3, 2011 at 10:09 AM, Andrea Adami
> <andrea.adami at gmail.com>wrote:
> 
>> On Thu, Nov 3, 2011 at 9:36 AM, Koen Kooi
>> <koen at dominion.thruhere.net>wrote:
>> 
>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
>>> 
>>> Op 02-11-11 22:00, Paul Eggleton schreef:
>>>> On Monday 17 October 2011 01:26:50 Andrea Adami wrote:
>>>>> * For some reasons when the cache is created root can still be ro
>>>>> * and as solution you would be obliged to add 'rw' to your
>>>>> commandline. * There are patches in openembedded-classic to
>>>>> correct this * (and those are still pending for meta-oe). * Until
>>>>> a solution is found disable the creation of the device cache on
>>>>> boot.
>>>>> 
>>>>> Signed-off-by: Andrea Adami <andrea.adami at gmail.com> --- 
>>>>> recipes-core/udev/udev/default      |    4 ++++ 
>>>>> recipes-core/udev/udev_173.bbappend |    1 + 2 files changed, 5 
>>>>> insertions(+), 0 deletions(-) create mode 100644 
>>>>> recipes-core/udev/udev/default create mode 100644 
>>>>> recipes-core/udev/udev_173.bbappend
>>>>> 
>>>>> diff --git a/recipes-core/udev/udev/default 
>>>>> b/recipes-core/udev/udev/default new file mode 100644 index 
>>>>> 0000000..ba2867e --- /dev/null +++
>>>>> b/recipes-core/udev/udev/default @@ -0,0 +1,4 @@ +# Default for
>>>>> /etc/init.d/udev + +# Uncomment this out to enable device cache
>>>>> +#DEVCACHE="/etc/dev.tar" diff --git 
>>>>> a/recipes-core/udev/udev_173.bbappend 
>>>>> b/recipes-core/udev/udev_173.bbappend new file mode 100644 index 
>>>>> 0000000..72d991c --- /dev/null +++ 
>>>>> b/recipes-core/udev/udev_173.bbappend @@ -0,0 +1 @@ 
>>>>> +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
>>>> 
>>>> I think this is going to cause problems for distros such as
>>>> Angstrom that enable this layer without always using it. Can we
>>>> just disable the dev cache for the machines in meta-handheld?
>>> 
>>> Or get with the program and use udev 174 with systemd, no need for a 
>>> device cache in that case!
>>> 
>>> regards,
>>> 
>>> Koen
>>> 
>> 
>> Sure, this is the future...but for now oe-core doesn't implement
>> systemd as default.
>> 
>> Until then, I think we should have sane defaults allowing to build
>> with just oe-core + meta-oe + meta-handheld even without distro
>> layers.
>> 
>> Regards
>> 
>> Andrea
>> 
> 
> 
> Oh, I forgot to say that's unfortunate oe-core is still on udev_164. 
> Probably they have been scared by the note "# udev 169 and up require 
> kernel 2.6.36 for ARM:"
> 
> Is this still a problem? Maybe we should insist on the oe-core list and
> try to unify the recipes.

It's not a problem if you backport the patches udev needs :)

E.g.
http://git.angstrom-distribution.org/cgi-bin/cgit.cgi/meta-texasinstruments/tree/recipes-kernel/linux/linux-omap4_2.6.35.7.bb



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