I am using a rum wireless card (Asus WL-167g) wireless card and creating a wlan virtual device from it to connect to a wireless network. This same card worked flawlessly under FreeBSD 7. The interface associates with wireless networks just fine, however, any time I try to push a large amount of data over the interface, such as writing a 100Mb file over NFS, the connection will die and not be restored. Setting "wlandebug state+scan" it appears that the wlan device is performing background scans and re-associating correctly, however, the operating system does not resume sending packets over the interface. I can not ping from the wireless device or ping it from the out side after the connection dies. How-To-Repeat: Set up a wireless connection, here is an example from my rc.conf wlans_rum0="wlan0" ifconfig_wlan0="ssid Anybots 10.10.10.27 netmask 255.255.255.0" defaultrouter="10.10.10.20" Mount an NFS partition, write a large file over NFS. The connection is usually lost fairly quickly. Running: ifconfig wlan0 down ifconfig wlan0 up scan Usually restores the connection, however, continuing to try and push a large amount of bandwidth will cause it to die again.
Responsible Changed From-To: freebsd-bugs->freebsd-net Over to maintainer(s).
On Fri, Nov 06, 2009 at 07:56:14PM +0000, Daniel Casner wrote: > > >Number: 140346 > >Category: misc > >Synopsis: High bandwidth use causes loss of wlan connection > >Confidential: no > >Severity: critical > >Priority: high > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Fri Nov 06 20:00:04 UTC 2009 > >Closed-Date: > >Last-Modified: > >Originator: Daniel Casner > >Release: 8.0-BETA3 > >Organization: > Anybots Inc. > >Environment: > 8.0-BETA3 FreeBSD 8.0-BETA3 #1: Mon Aug 31 08:58:35 PDT 2009 root@plutonium:/usr/obj/usr/src.RELENG_8/sys/GENERIC i386 > >Description: > I am using a rum wireless card (Asus WL-167g) wireless card and creating a wlan virtual device from it to connect to a wireless network. This same card worked flawlessly under FreeBSD 7. > > The interface associates with wireless networks just fine, however, any time I try to push a large amount of data over the interface, such as writing a 100Mb file over NFS, the connection will die and not be restored. > > Setting "wlandebug state+scan" it appears that the wlan device is performing background scans and re-associating correctly, however, the operating system does not resume sending packets over the interface. I can not ping from the wireless device or ping it from the out side after the connection dies. > >How-To-Repeat: > Set up a wireless connection, here is an example from my rc.conf > > wlans_rum0="wlan0" > ifconfig_wlan0="ssid Anybots 10.10.10.27 netmask 255.255.255.0" > defaultrouter="10.10.10.20" > > Mount an NFS partition, write a large file over NFS. > > The connection is usually lost fairly quickly. > > > Running: > > ifconfig wlan0 down > ifconfig wlan0 up scan > > Usually restores the connection, however, continuing to try and push a large amount of bandwidth will cause it to die again. It looks it's a known issue and fixed at r198098. Could you please test with it? regards, Weongyo Jeong
For bugs matching the following criteria: Status: In Progress Changed: (is less than) 2014-06-01 Reset to default assignee and clear in-progress tags. Mail being skipped
Fixed in base r198098 (cannot reproduce on recent HEAD).