Hyrum K Wright wrote on Wed, Sep 21, 2011 at 03:51:01 -0500: > On Tue, Sep 20, 2011 at 1:53 PM, Daniel Shahaf <danie...@elego.de> wrote: > > 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. > > I'd still like to know what the reaction of the APR folks to this is. > Has it been reported? What's their release plan? Should they be > recommending the above to their users? > > Fundamentally, this is a bug in APR *not* Subversion. Let's try to > get it fixed at the source. >
Yes, it's been reported to APR, see wayita's next-to-last utterance. > -Hyrum > > > -- > > uberSVN: Apache Subversion Made Easy > http://www.uberSVN.com/