linux-kernel - Re: [PATCH] Add a personality to report 2.6.x version numbers

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Message-ID: <4E52A808.20207@cavium.com>
Date:	Mon, 22 Aug 2011 12:03:36 -0700
From:	David Daney <david.daney@...ium.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] Add a personality to report 2.6.x version numbers

On 08/22/2011 11:45 AM, Eric Dumazet wrote:
> Le lundi 22 août 2011 à 11:30 -0700, Linus Torvalds a écrit :
>> On Fri, Aug 19, 2011 at 4:15 PM, Andi Kleen<andi@...stfloor.org>  wrote:
>>>
>>> Reposting due to popular demand. Several other people are running
>>> into the same problem with all kinds of software.
>>
>> I have heard this several times now, but nobody actually ever says
>> *what* is broken.
>>
>> The Fedora people seem to have done the 2.6.40 thing without any
>> actual reason, for example (the two programs they claim were broken
>> were things that they had already fixed in rawhide, afaik).
>>
>> I'm not at all interested in these kinds of "all kinds of software" reports.
>>
>> Details. Examples. Name the f&*cking names already. Shame them publicly.
>
> For example, all kind of management software from HP doesnt work, unless
> we pretend to run a 2.6 kernel.
>
> $ uname -a
> Linux svivoipvnx001 3.0.0-08107-g97cd98f #1062 SMP Fri Aug 12 18:11:45
> CEST 2011 i686 i686 i386 GNU/Linux
>
> $ hpacucli ctrl all show
>
> Error: No controllers detected.
>

Perhaps the 3.x version change patch should be reverted on the 
never-ever-break-userspace grounds. :-)  It would appear that the 2.6 
version information has become a de facto part of the kernel's ABI.

David Daney
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