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Old 22nd August 2013
caravel caravel is offline
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Default bwn/bwi drivers with Broadcom BCM4318

Any experiences of the bwn/bwi drivers with Broadcom BCM4318 based PCI wireless g NIC?

Have been fiddling with this for two days and have searched and read everything I could find.

I have been using bwi, but the connection is very unreliable (not in front of the box now, but can post the output which appears in tty in several hours).

I decided to try bwn as it uses a newer firmware (the 4.x firmware which I've used under GNU/Linux with no problems - I had problems with the earlier 3.x firmware so thought it might be related).

After 4 hours yesterday I figured out how to get bwn to load the firmware (from /boot/loader.conf - when it tries to load the firmware itself, it fails) - rebooted and the connection finally came up - except bwn is even worse for disconnections - in fact it's unusable in my case. I had to switch back to bwi.

I want to avoid messing with ndisgen and windows blobs, so if anyone has any experience of this or can point me in the right direction - much appreciated.

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Old 22nd August 2013
caravel caravel is offline
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I gave up and plugged in a wireless USB dongle which seems to work ok for now. Here's some details for anyone who's interested.

$ cat /etc/rc.conf

# -- sysinstall generated deltas -- # Sun Aug 18 11:08:56 2013
# Created: Sun Aug 18 11:08:56 2013
# Enable network daemons for user convenience.
# Please make all changes to this file, not to /etc/defaults/rc.conf.
# This file now contains just the overrides from /etc/defaults/rc.conf.
ifconfig_wlan0="WPA DHCP"
Part of dmesg
ugen4.2: <Abocom> at usbus4
rum0: <Abocom 802.11 bg WLAN, class 0/0, rev 2.00/0.01, addr 2> on usbus4
rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528
Trying to mount root from ufs:/dev/ad6s1a
wlan0: Ethernet address: 00:12:0e:a2:15:13
wlan0: link state changed to UP
rum0: need to implement rum_update_mcast
//edit: the dongle seems to overheat and causes the system to freeze or reboot. Back to the BCM4318 and bwi...

//edit2: I went out and bought an Atheros AR9227 based wireless pci card - only to find that it's not supported by FreeBSD 8.x ... not too sure about 9.x now either... oh well, I am going to go back to trying to get 9.x installed - downloaded 9.2 RC3 yesterday...

//edit3: It works fine in 9.2 RC3, but I had to manually reconfigure. Ah well end of thread.

//edit4: Finally got 9.1 installed and the AR9227 is working well - the end.

Last edited by caravel; 9th September 2013 at 11:01 AM.
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Old 10th September 2013
angryfirelord angryfirelord is offline
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There's a chart on wikipedia that lists the available drivers for FreeBSD and if they depend on non-free firmware: http://en.wikipedia.org/wiki/Compari...rivers#FreeBSD

Just as a note, you might still run into an issue with the AR9227 card.


interrupt read-and-clear bug
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Old 11th September 2013
caravel caravel is offline
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Thanks, I read about the bug not long after ordering the AR9227, but so far I´ve had no problems.
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