Re: glibc 2.18/2.17 compatibility

[Allin Cottrell <cottrell at wfu dot edu>]

On Sat, 31 Aug 2013, Ondřej Bílka wrote:

> On Sat, Aug 31, 2013 at 09:42:02AM -0400, Allin Cottrell wrote:
> > On Fri, 30 Aug 2013, Allin Cottrell wrote:
> >
> > > This is a follow-up to my posting of August 19,
> > > http://sourceware.org/ml/libc-help/2013-08/msg00036.html
> > >
> > > I had reported that various programs that ran OK under glibc 2.17
> > > started segfaulting under 2.18, and so I dropped back to 2.17.
> > >
> > > I have now tried the experiment of reinstalling version 2.18 and
> > > recompiling the programs that were failing, namely the gvfs
> > > daemons gvfs-mtp-volume-monitor and gvfsd-trash (from gvfs-1.16.3)
> > > and xfdesktop (from Xfce 4.10). Now these programs run OK. Is it
> > > possible there's some subtle ABI incompatibility between these two
> > > glibc versions?
> >
> > All is still not well with 2.18 on my system. I'm now getting a
> > segfault in the Java runtime (which works fine under glibc-2.17). As
> > I mentioned before, the glibc 2.17 that I'm comparing with 2.18 was
> > rebuilt recently using the same gcc version (4.8.1) and kernel
> > headers (3.10.7), and the same options to the configure script.
> >
> > I'm attaching the crash report from the JRE.
> >
> > Allin Cottrell
>
>
> This looks like duplicate of following issue:
>
> http://www.sourceware.org/ml/libc-alpha/2013-08/msg00257.html
>
> Could you check if a fix there helps?

Thanks, it does look like the same issue. I'll try a new build with the
sse4 modification in strstr.c.

Allin Cottrell