Mattias Engdegård (CC'd) reports on IRC that apr_atomic_xchgptr() in recent APR's is broken, and the brokenness can affect Subversion under certain circumstances:
<@danielsh> wayita: t < wayita> gcc 4.0.x or older < wayita> apr 1.3.x or newer < wayita> x86-64 only < wayita> WORKAROUND: --disable-nonportable-atomics to APR's configure < wayita> OS: any unix < wayita> nature of the bug: apr_atomic_xchgptr() does not initialize the return value < wayita> https://issues.apache.org/bugzilla/show_bug.cgi?id=51851 < wayita> manifests as a segfault in svn. I suppose we could recommend --disable-nonportable-atomics in the release notes. It is undetermined at this time whether Windows 64-bit is affected. Daniel Hyrum K Wright wrote on Mon, Sep 19, 2011 at 10:54:19 -0500: > All, > I'm currently planning on rolling the final 1.7.0 release candidate > this Thursday evening (UTC +0100). Assuming the tests pass and > signatures are valid, I'll cut the final release from the same magic > revision early next week, with the hope of releasing by weeks' end > (folks won't need to retest if they already tested rc4). > > However, these dates are fluid, and depend on our feeling of > releasability as a community. I'm uncomfortable making that decision > on my own; I know there may be outstanding issues, but don't know > their severity or impact. I therefore request an up-or-down vote of > the above plan. > > Please, no +/-0 votes on this one. I'm asking you to take a stand, > either in favor or against proceeding with the release. I *don't* > want a couple of +1s and a bunch of +/-0's; we need to be sure we have > broad community support behind this much-anticipated release. > > In other words, if you've got an objection, please voice it *NOW*. > (Even if you don't have any objections, it's important to know that, > too.) > > Thanks, > -Hyrum > > > -- > > uberSVN: Apache Subversion Made Easy > http://www.uberSVN.com/
