Stefan Sperling <s...@stsp.name> writes:
> On Sun, Jan 15, 2017 at 12:03:18PM +0200, timo.my...@wickedbsd.net wrote:
>
>> >Synopsis: apu2b4 drops to ddb after upgrading latest snapshot
>> >Category: kernel
>> >Environment:
>> System : OpenBSD 6.0
>> Details : OpenBSD 6.0-current (GENERIC.MP) #142: Sat Jan 14
>> 20:29:59 MST 2017
>>
>> bu...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>>
>> Architecture: OpenBSD.amd64
>> Machine : amd64
>> >Description:
>> System drops to ddb at random intervals after upgrading to latest
>> snapshot.
>> This seems to be related to 11n changes.
>> I got following from ddb:
>
> Not sure if this will help, but it is worth a try:
>
> Index: ieee80211_node.c
> ===================================================================
> RCS file: /cvs/src/sys/net80211/ieee80211_node.c,v
> retrieving revision 1.111
> diff -u -p -r1.111 ieee80211_node.c
> --- ieee80211_node.c 9 Jan 2017 20:18:59 -0000 1.111
> +++ ieee80211_node.c 15 Jan 2017 11:26:42 -0000
> @@ -1638,6 +1638,7 @@ ieee80211_node_leave_ht(struct ieee80211
> int i;
>
> /* free all Block Ack records */
> + ieee80211_ba_del(ni);
> for (tid = 0; tid < IEEE80211_NUM_TID; tid++) {
> ba = &ni->ni_rx_ba[tid];
> if (ba->ba_buf != NULL) {
With this patch I haven't seen any crashes so far.
So at least for couple of hours of active use it seems to have fixed things.
Timo
