kern/88882: ndis IF tx/rx and other problems in 6.0-R

João joao at
Sat Nov 12 03:10:16 PST 2005

>Number:         88882
>Category:       kern
>Synopsis:       ndis IF tx/rx and other problems in 6.0-R
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Nov 12 11:10:15 GMT 2005
>Originator:     João
>Release:        6.0-R
FreeBSD 6.0-RELEASE FreeBSD 6.0-RELEASE #5: Thu Nov 10 22:30:42 BRST 2005     hmm at  i386
              ndis interface was working fine for me with 6.0RC1
In my case I use an Acer3002 with broadcom 11b+g, I can compile and load the .ko wo problems

the serious problem is that the interface suddnely stops to rx/tx when high text throughput is processed as in sshing to another server and untarring the ports the interface simply stoppes after some seconds. Messages report anb kernel: ndis0: link state changed to DOWN. It is associated as 11g in OFDM/54Mbps

To get it back I need to re-associate with ifconfig ssid xxx or sometimes only woth the complete ifconfig sequence

I tried different protmodes but no change
        inet netmask 0xfffffff8 broadcast
        ether 00:14:a4:0e:b9:fc
        media: IEEE 802.11 Wireless Ethernet autoselect (OFDM/54Mbps)
        status: associated
        ssid casa11g channel 1 bssid 00:11:95:c2:2a:70
        authmode OPEN privacy OFF txpowmax 100 protmode CTS

I can download at high rates for hours normal data as an iso image and stay connected days with normal operations without any problem. Soon I [g]tar with -xvf option the interface stoppes

Second problem that the Wlan-buuton led does not goes on anymore on 6.0R

Third problem that ifconfig list scan mostly do not find any ssids anymore (it is already up) and I am not talking about outside environments, I am beside the APs I like to see.

Soon I go back to the 6.0-RC1 ndis everything works fine.

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