troubleshooting BCM4312 Wireless
I had this working out of the box from Dell using the restricted driver provided by Dell with 8.04. It worked again when I upgraded to 9.04. It seems to have just stopped working.
Here are my results for troubleshooting sudo lshw *-network description: Wireless interface product: BCM4312 802.11b/g vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:0c:00.0 logical name: eth1 version: 01 serial: 00:22:5f:af:28:da width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.10.91.9 latency=0 module=wl multicast=yes wireless=IEEE 802.11bg sudo iwconfig lo no wireless extensions. eth0 no wireless extensions. eth1 IEEE 802.11bg ESSID:"" Nickname:"" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Bit Rate:54 Mb/s Tx-Power:off Retry min limit:7 RTS thr:off Fragment thr:off Power Managementmode:All packets received Link Quality=5/5 Signal level=0 dBm Noise level=0 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 pan0 no wireless extensions. ifconfig -a eth0 Link encap:Ethernet HWaddr 00:23:ae:40:2b:b2 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:18 eth1 Link encap:Ethernet HWaddr 00:22:5f:af:28:da inet6 addr: fe80::222:5fff:feaf:28da/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:17 Base address:0xc000 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:20 errors:0 dropped:0 overruns:0 frame:0 TX packets:20 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1424 (1.4 KB) TX bytes:1424 (1.4 KB) pan0 Link encap:Ethernet HWaddr 92:5d:74:f3:c3:e5 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) lspci -v | grep subordinate Bus: primary=00, secondary=0b, subordinate=0b, sec-latency=0 Bus: primary=00, secondary=0c, subordinate=0c, sec-latency=0 Bus: primary=00, secondary=09, subordinate=09, sec-latency=0 Bus: primary=00, secondary=0d, subordinate=0e, sec-latency=0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=32 sudo ifconfig eth1 down sudo ifconfig eth1 10.0.0.2 netmask 255.255.255.0 sudo route add default gw 10.0.0.1 sudo iwconfig eth1 essid "network_name" sudo iwconfig eth1 mode managed key xxxxxxxxxxxxxxxxxxxxxxxxxx sudo ifconfig eth1 up ping 10.0.0.9 -c3 ifconfig -a eth0 Link encap:Ethernet HWaddr 00:23:ae:40:2b:b2 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:18 eth1 Link encap:Ethernet HWaddr 00:22:5f:af:28:da inet addr:10.0.0.2 Bcast:10.0.0.255 Mask:255.255.255.0 inet6 addr: fe80::222:5fff:feaf:28da/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:17 Base address:0xc000 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:27 errors:0 dropped:0 overruns:0 frame:0 TX packets:27 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2040 (2.0 KB) TX bytes:2040 (2.0 KB) pan0 Link encap:Ethernet HWaddr 92:5d:74:f3:c3:e5 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) sudo iwconfig lo no wireless extensions. eth0 no wireless extensions. eth1 IEEE 802.11bg ESSID:"" Nickname:"" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Bit Rate:54 Mb/s Tx-Power:off Retry min limit:7 RTS thr:off Fragment thr:off Power Managementmode:All packets received Link Quality=5/5 Signal level=0 dBm Noise level=0 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 pan0 no wireless extensions. PING 10.0.0.9 (10.0.0.9) 56(84) bytes of data. From 10.0.0.2 icmp_seq=1 Destination Host Unreachable From 10.0.0.2 icmp_seq=2 Destination Host Unreachable From 10.0.0.2 icmp_seq=3 Destination Host Unreachable |
Check dmesg for errors after attempting a wireless connection.
I'm not familiar with the Dell driver you're talking about, but where I come from (Arch Linux), 4312 users compile the Broadcom-supplied driver - source here, Arch build info here. There are some patches there that you may need, depending on your kernel version. |
Thanks
Thanks to the poster and all who read my post. I think that this must be a freak hardware failure. I finally gave up and bought an edimax mimo XR USB wireless nic. I plugged in the nic and booted the machine. The machine detected the nic automatically and connected to my secure wireless connection without configuration.
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