This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Distributions still suffering from s390 ABI change problems.


On Mon, Jul 14 2014, Carlos O'Donell wrote:

> On 07/14/2014 04:24 PM, David Miller wrote:
>> From: "Carlos O'Donell" <carlos@redhat.com>
>> Date: Mon, 14 Jul 2014 16:15:26 -0400
>> 
>>> I've never seen a clean way to do a structure size increase, so in practice
>>> that's always a SO version bump. I also don't know what kind of breakage
>>> you have in the entire tooling when you do that. I expect some.
>>  ...
>>> We've already had an entire release out with this change. There are binaries
>>> with libc.so.6 already in the wild with the new ABI. So it seems like a mess
>>> any way we swing it.
>> 
>> We've told users we will maintain strict compatability against a given
>> SO version of glibc.
>
> Yes we have.
>  
>> Now, s390 users cannot give eachother binaries neither backwards nor
>> forwards because of this change.  It breaks in _both_ directions.
>
> Yes, that's true.
>
> So what do we do about it?
>
> I want IBM to be a part of this discussion, but we may have to wait
> for another day to let Andreas Krebbel comment.

Note, however, that Andreas Krebbel is currently offline.  In his
absence, Stefan Liebler, Uli Weigand, and some other IBMers (including
myself) will give it some more thought.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]