Re: Instability in brcmsmac

["Arend van Spriel" <arend@broadcom.com>]

On 02/19/2012 09:53 PM, Larry Finger wrote:
> Arend,
>
> I have just started testing brcmsmac with my BCM43224 card. I find it rather
> unstable. A typical cycle between authentication and disassociating is as follows:
>
> [ 1066.227729] wlan8: authenticate with 00:1a:70:46:ba:b1
> [ 1066.238397] wlan8: send auth to 00:1a:70:46:ba:b1 (try 1/3)
> [ 1066.440128] wlan8: send auth to 00:1a:70:46:ba:b1 (try 2/3)
> [ 1066.443739] wlan8: authenticated
> [ 1066.448139] wlan8: associate with 00:1a:70:46:ba:b1 (try 1/3)
> [ 1066.456657] wlan8: RX AssocResp from 00:1a:70:46:ba:b1 (capab=0x411 status=0
> aid=1)
> [ 1066.456673] wlan8: associated
> [ 1066.458051] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true
> (implement)
> [ 1066.458067] ieee80211 phy0: brcmsmac: brcms_ops_bss_info_changed: associated
> [ 1066.458087] ieee80211 phy0: changing basic rates failed: -22
> [ 1066.458101] ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering:
> enabled true, count 1 (implement)
> [ 1076.464670] wlan8: disassociating from 00:1a:70:46:ba:b1 by local choice
> (reason=3)
> [ 1076.465981] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: false
> (implement)
> [ 1076.466051] ieee80211 phy0: brcmsmac: brcms_ops_bss_info_changed: disassociated
> [ 1076.466074] ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering:
> enabled false, count 1 (implement)
> [ 1076.490224] cfg80211: Calling CRDA to update world regulatory domain
> [ 1076.507338] wlan8: deauthenticating from 00:1a:70:46:ba:b1 by local choice
> (reason=3)
>
> The period of time that the interface is up ranges from 10 - 200 seconds. The
> connection is WPA-TKIP and the kernel is master-2012-02-15-510-g20b79b4 from
> wireless-testing with local patches applied to other drivers. Both brcmsmac and
> bcma are untouched.
>
> Thanks,
>
> Larry

Hi Larry,

Thanks. There have been a couple of other people indicating a similar 
issue. We run tests nightly on bcm43224 equipped systems and brcmsmac 
mostly runs fine apart from occasional mac80211 interfacing issue, which 
is one reason to run these tests. I will dig deeper into this.

Gr. AvS