On Thu, Dec 15, 2011 at 9:00 AM, Gerhard Schneider <[log in to unmask]> wrote:
>
> After installation of glibc 2.12-1.47 that appeared in sl6-security
> different applications tend to do segmentation faults - including
> unmount.nfs and atop. After downgrading to glibc 2.12-1.25 the problems
> disappeared.
>
> Did I miss something?

Reinstall nfs-utils and try again to see if that rectifies the issue:

http://listserv.fnal.gov/scripts/wa.exe?A2=ind1112&L=scientific-linux-devel&D=0&T=0&P=2002

Make sure you run:

yum -y --disablerepo=sl-security --enablerepo=sl-testing update nfs-utils

as pointed out by Denice.

Akemi