Hi, On Wednesday 23 July 2008, Joe Orton wrote: > > when compiled with gcc 4.3 on Sparc under Linux, Apache 2.2.9 > > sometimes crashes with SIGBUS in the ssl shmcb code. > > > > Adding __attribute__((__noinline__)) (which is already present in > > ssl_scache_shmcb.c for the memset call) to the memcpy calls seems > > to fix the problem. > > Blech, thanks for tracking this down. There is an outstanding PR > that this happens with some Solaris compiler too, for which nobody > has worked out a way to prevent inlining. > > So I'd be inclined to bite the bullet and backport the rewritten > shmcb from the trunk, which should avoid these alignment issues > forever more. > > Can you try the attached?
The new shmcb code works for me without SIGBUS, too. But I only have a test setup with no real users, and I haven't tested too much. If you chose to backport the code, will you do it for 2.0, too? See https://issues.apache.org/bugzilla/show_bug.cgi?id=43943 If not, you should at least add the __attribute__((__noinline__)) to 2.0, IMHO. Cheers, Stefan
