On Wed, 2013-03-06 at 13:06 -0500, b.j. mcclure wrote: > I'm having a wireless connection issue with an HP laptop and a Zotac > media server after the 6.4 package updates from CR repository. Nothing > changed with wireless config as far as I can tell. Both have been > working fine with previous releases of 6.x. > > Oddly, if a cat 5 cable is connected for a few seconds and then > disconnected the wireless works fine and survives a 'service network > restart' but does not survive a reboot. A laptop running Ubuntu 12.04 > continues to connect normally. > > The boxes in question appear to connect to the router/accesspoint, are > assigned correct static IPs, but cannot ping any box on the intranet > including the router. No other boxes on the intranet can ping the hp or > zotac, Once a network cable is inserted and removed all is well with > that box. The zotac box uses the ath9k wireless driver, the HP uses b43. > Same result using DHCP instead of static IP. > > Output of iwconfig appears normal on both errant boxes and does not > change from non-working to working state. > > Google has not been much help. FWIW, here is output of iwconfig and > ifconfig. > > ~]$ ifconfig > eth0 Link encap:Ethernet HWaddr 00:01:2E:BC:74:14 > inet6 addr: fe80::201:2eff:febc:7414/64 Scope:Link > UP BROADCAST MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:0 (0.0 b) TX bytes:1249 (1.2 KiB) > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:89 errors:0 dropped:0 overruns:0 frame:0 > TX packets:89 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:8807 (8.6 KiB) TX bytes:8807 (8.6 KiB) > > wlan0 Link encap:Ethernet HWaddr 74:F0:6D:8C:FE:CF > inet addr:192.168.1.208 Bcast:192.168.1.255 > Mask:255.255.255.0 > inet6 addr: fe80::76f0:6dff:fe8c:fecf/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:732 errors:0 dropped:0 overruns:0 frame:0 > TX packets:79 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:107489 (104.9 KiB) TX bytes:9217 (9.0 KiB) > > [LSF at nra ~]$ iwconfig > lo no wireless extensions. > > eth0 no wireless extensions. > > wlan0 IEEE 802.11bgn ESSID:"toadnet" > Mode:Managed Frequency:2.437 GHz Access Point: > 00:24:93:38:89:80 > Bit Rate=54 Mb/s Tx-Power=15 dBm > Retry long limit:7 RTS thr:off Fragment thr:off > Power Management:on > Link Quality=70/70 Signal level=-28 dBm > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > Tx excessive retries:0 Invalid misc:29 Missed beacon:0 > > Any thoughts appreciated. > > B.J. > > CentOS release 6.3 (Final) Replying to my own post, I forgot to mention I have tried several USB wireless adapters on both boxes with same results as onboard adapter, booted previous 2.6.32-279 kernel instead of 2.6.32-358 and disabled Network Manager with no change in behavior. B.J.