On Tue, Oct 25, 2011 at 12:17:54PM -0700, Adam Williamson wrote:
On Tue, 2011-10-25 at 18:54 +0100, Richard W.M. Jones wrote:
> It's rather too complex to explain the change here, so I suggest
> you go and read these first:
>
>
http://permalink.gmane.org/gmane.comp.version-control.git/184205
>
http://permalink.gmane.org/gmane.comp.version-control.git/184209
>
https://bugzilla.redhat.com/show_bug.cgi?id=747377#c22
>
https://bugzilla.redhat.com/show_bug.cgi?id=747377#c24
>
> Now, I'm _not_ saying that the glibc change is wrong. In fact, it
> enables extra gcc optimizations, which is great. But in this case it
> looks like we're going to have to review all use of thread mutexes in
> the whole of Fedora. Maybe not the kind of thing we had in mind for
> Fedora 16 at this point.
>
> I think it's great that Thomas Rast, Jim Meyering, and Jakub Jelinek
> found the problem after probably a couple of man-days of effort, but
> really development and bug fixing like this belongs in Rawhide.
Well, -13 is what we currently have in stable, and we're past freeze.
Doh.
So unless this isn't broken in -13, to make sure this only
'nearly'
gets pushed into F16, we're going to need a non-broken -14 and that
bug is going to need to be proposed as a blocker or NTH.
My non-expert advice would be that this should be a blocker. It would
be better if experts in POSIX arcana could weigh in on this subject
though.
Rich.
--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
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