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@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.
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