Re: [PATCH 1/1] ARM: OMAP2+: enable devtmpfs and devtmpfs automount

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On 11/27/2012 09:34 AM, Sekhar Nori wrote:
> On 11/21/2012 6:56 PM, Javier Martinez Canillas wrote:
>> Since udev-182, udev no longer creates device nodes under /dev
> 
> Nit: Looks like this happened from udev-176 onward.
> 
> http://permalink.gmane.org/gmane.linux.hotplug.devel/17230
> 
> Whoever is taking the patch can _probably_ fix it up while applying.
> 

Hi Sekhar,

Thanks for clarifying this, I read that it was udev-182 from the Linux from
scratch documentation:
http://www.linuxfromscratch.org/lfs/view/jh/chapter07/udev.html

>> and this has to be managed by the kernel devtmpfs filesystem.
>> 
>> This means that a kernel built with the current OMAP2+ config
>> will not boot on a system with a recent udev.
> 
>> Also, it is good to have /dev automatically mounted since some
>> non-initramfs based setups assumes this and don't manually mount it.
> 
> For curiosity sake, any examples of such setups? I am using fedora 17 on
> DaVinci and that doesn't seem to need it. Anyway, agreed that its better
> to keep it enabled.
> 
> Thanks,
> Sekhar
> 

I'm using an IGEPv2 (TI OMAP3 DM3735) with an openembedded build and the oe udev
init script from the recipe I use seems to assume this.

Best regards,
Javier
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