Description of problem: After upgrading to Fedora 15 all my NFS mounts are both done on IPv4 and IPv6. This means that all is mounted twice. I'm quite sure this was not the case on Fedora 15. I suspect this is caused by the fact that IPv6 becomes available (radvd on server) after the first NFS mount, and before an apparent second NFS mount. Version-Release number of selected component (if applicable): nfs-utils-1.2.3-11.fc15.x86_64 How reproducible: 100% Steps to Reproduce: 1. Enable IPv6 networking 2. Enter both an A and an AAAA record in DNS for the NFS server 3. Boot the Fedora 15 client that mounts NFS Actual results: [root@home07 init.d]# mount /proc on /proc type proc (rw,relatime) /sys on /sys type sysfs (rw,relatime,seclabel) ... home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp6,port=0,timeo=600,retrans=2,sec=sys,clientaddr=2001:1af8:fe43:2:218:f3ff:fefd:97a,minorversion=0,local_lock=none,addr=2001:1af8:fe43:2::1) home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.254.7,minorversion=0,local_lock=none,addr=192.168.254.254) [root@home07 init.d]# Expected results: [root@home07 init.d]# mount /proc on /proc type proc (rw,relatime) /sys on /sys type sysfs (rw,relatime,seclabel) ... home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp6,port=0,timeo=600,retrans=2,sec=sys,clientaddr=2001:1af8:fe43:2:218:f3ff:fefd:97a,minorversion=0,local_lock=none,addr=2001:1af8:fe43:2::1) [root@home07 init.d]# Additional info: Blaming nfs-utils might be unfair, as probably the whole systemd startup may cause the problem.
Created attachment 510752 [details] fstab that results in double NFS mounts
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