N wifi broke after kernel update

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  Wireless stopped working after latest kernel update.

  It connects and works fine using wired/

  It connects and works fine with wireless until I use it for more than
a host check and a ping check.

  Shortly after trying to use the connection (heavy load from chrome
restoring a lot of saved tabs) - it stops = NM thinks its ok - ifconfig
wlan0 shows it has an ip - iwconfig looks normal.

   However I cannot ping the default route any longer.

   /var/log/messages shows nothing iwlagn related - no oops etc
   wpa_supplicant remains quiet.


   rebooting produces same result with  kernel is 2.6.32.10-90 (x86_64).

   rmmod iwlagn; modprobe iwlagn ===> does not revive it.

   Booting back to older  kernel-2.6.9-70 works fine - so problem is
only in the newer kernel.

   I did not see this using same computer earlier on a 802.11g network -
so it seesm its only with N.


Filed bug:  https://bugzilla.redhat.com/show_bug.cgi?id=578663

  gene