amd64/148078: wireless networking stops functioning

Oliver Pinter oliver.pntr at
Wed Jun 23 10:00:20 UTC 2010

The following reply was made to PR amd64/148078; it has been noted by GNATS.

From: Oliver Pinter <oliver.pntr at>
To: Paul Lambert <eb30750 at>
Cc: freebsd-gnats-submit at
Subject: Re: amd64/148078: wireless networking stops functioning
Date: Wed, 23 Jun 2010 11:52:47 +0200

 under 7.3-STABLE is the same problem, on boot +2-3 minutes the
 networking is ok, but after 2-3 minutes, it going down. The soultion
 is this:
 ifconfig_ath0="DHCP WPA protmode rtscts mode 11g -bgscan -burst
 channel 12 -powersave"
 It's an ar5212 tp-link wlan card.
 On 6/23/10, Paul Lambert <eb30750 at> wrote:
 >>Number:         148078
 >>Category:       amd64
 >>Synopsis:       wireless networking stops functioning
 >>Confidential:   no
 >>Severity:       critical
 >>Priority:       high
 >>Responsible:    freebsd-amd64
 >>State:          open
 >>Class:          update
 >>Submitter-Id:   current-users
 >>Arrival-Date:   Wed Jun 23 03:10:05 UTC 2010
 >>Originator:     Paul Lambert
 >>Release:        8.1 prerelease
 > FreeBSD BRSINC-VM02.local 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21
 > 15:02:08 UTC 2009
 > root at  amd64
 > I finally found time to work with Freebsd 8.0 release from last fall.  After
 > struggling to find the correct configuration I was able to get my wireless
 > interface working just great.  In an attempt to get Gnome 2.3 loaded I
 > performed a freebsd-update to 8.1 prerelease.  After running install and
 > rebooting twice the system booted up with the wlan0 device stating
 > "associated."  However, no network response was forth coming.  After
 > researching this on the web I found a blog that stated to insert the line
 > synchonous_dhclient="yes."  I did and the network interface was able to
 > perform pings and traceroutes.  But when I went to download a new package
 > the network froze.  Again, I researched the web and found instructions to
 > add if_vlan_load and vaps_ath0="wlan0".  Adding these did not make matters
 > any better.  I then "rolled back" the Freebsd to 8.0 release and changed the
 > conf files back and the network is up and running as expected.
 > 8.0 release config files
 > rc.conf
 > wlans_ath0="wlan0"
 > ifconfig_wlan0="WPA DHCP"
 > loader.conf
 > wlan_wep_load="YES"
 > wlan_ccmp_load="YES"
 > wlan_tkip_load="YES"
 > wpa_supplicant.conf
 > eapol_version=1
 > ap_scan=1
 > fast_reauth=1
 > #
 > network={
 > 	ssid="my wireless AP"
 > 	psk="my AP password"
 > }
 > upgrade to 8.1 prerelease
 > _______________________________________________
 > freebsd-amd64 at mailing list
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