Re: udev minimum requirement

[Darcoux Christine <bouloumag@gmail.com>]

2011/1/18 Kay Sievers <kay.sievers@vrfy.org>:
> On Tue, Jan 18, 2011 at 18:25, Darcoux Christine <bouloumag@gmail.com> wrote:
>> I am a little confused about the minimum kernel version need for udev .
>> Is there a contradiction between these two sentences from the README file ?
>>
>> "The upstream udev project's set of default rules may require a most recent
>> kernel release to work properly. This is currently version 2.6.31."
>
> That's what we usually test and should work out-of-the-box.
>
>> and
>>
>> "Requirements:
>>  - Version 2.6.27 of the Linux kernel"
>
> That's the first version of the old kernels that has all the
> requirement to just run udev. It may fail completely with older
> versions. But nobody really tests that, I guess, at least not
> constantly. Rules may be missing. Many possible issues could be worked
> around, are might not be to find in the udev source tree.
>
>> Does it means that the **real** minimum requirement is kernel 2.6.31 ?
>> If not, what will works with 2.6.31 that will not work with 2.6.27 ?
>
> Nobody really knows, I guess, because we usually don't run old kernels
> on new userspace tools. We only make sure that new kernels can run on
> old userspace, not the other way around.
>
> Kay
>

(sorry I did not replyed to the list)
Thank you Kay for the explanations. May I suggest to include them in
the readme ?

Cheers