new rawhide glibc
jkeating at redhat.com
Fri May 16 00:16:14 UTC 2008
On Thu, 2008-05-15 at 10:00 -0700, Ulrich Drepper wrote:
> With the next push you'll see the first new glibc version for rawhide
> (2.8.90-1). This version has quite a few changes, most prominently
> changes to getaddrinfo.
> The new implementation should be faster since it parallelizes DNS
> lookups and avoids code duplication in many other cases. But the DNS
> optimization is also what I'm a bit concerned about. I tested the code
> with a local bind daemon and all works well. What I haven't done is
> testing it with other DNS servers.
> Everybody should look out for changes in the host name resolution.
> There shouldn't be any but who knows.
> Those who are using DNS servers other than bind might want to give the
> code bounding. Especially also the fallback code to issue lookups with
> TCP (you can force this by setting the RES_USEVC bit in _res.options,
> see <resolv.h>).
This glibc made it into the chroot we use to produce rawhide, which
promptly started causing invalid pointer free errors when yum was
*** glibc detected *** /usr/bin/python: free(): invalid pointer:
Granted, this was a chroot on a FC6 box, not sure if that's going to
"taint" things, but I had to roll back glibc in order to get a rawhide
Fedora -- Freedom² is a feature!
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