Re: udev 171 caching working propely?

[Tom Rini <tom_rini@mentor.com>]

On 06/20/2011 03:47 PM, Tom Rini wrote:
> On 06/20/2011 02:16 PM, Andreas Mueller wrote:
>> Dear OE-folks,
>>
>> Working with lastest classic oe master and angstrom it seems udev caching is not 
>> working as expected. On *every* boot I get:
>>
>>> Remounting root file system...
>>> Caching udev devnodes
>>> Populating dev cachemv: can't rename '/dev/shm/uname': No such file or directory
>>
>> I don't know why this change came in but there was a change of storage location 
>> in Tom's commit few days ago [1]. To me it seems that
>>
>> 1. The files created by udev (init) get lost at remount so udev-cache (cache) is 
>> unable to find
>> 2. Since this error occures not only at first boot the recipe's 
>> pkg_postinst_udev_append() seems never being executed. To check I added a simple 
>> echo 'foo text' 
>> in this function but 'foo text' is not found in log of first boot.
>>
>> Suggestions welcome
> 
> Did udev change behaviors at some point then?  I've been using an older
> udev and didn't run into that problem.  I changed from /tmp to /dev/shm
> since we don't know that /tmp is writable at that point so we were
> instead getting errors there.  I wonder if we should just switch to
> re-creating the contents for that step?

I've gone with this change and some quick testing on a board.

-- 
Tom Rini
Mentor Graphics Corporation