On Sat, Apr 14, 2018 at 06:54:35AM +0200, [email protected] wrote:
> >Synopsis: page fault trap when removing urtwn Wifi adapter from the port
> >Category: kernel
> >Environment:
> System : OpenBSD 6.3
> Details : OpenBSD 6.3 (GENERIC.MP) #107: Sat Mar 24 14:21:59 MDT
> 2018
>
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Architecture: OpenBSD.amd64
> Machine : amd64
> >Description:
> I'm observing system crash if I remove the the TP-Link TL-WN725N
> WiFi adapter from the port. The system reports kernel panic:
>
> kernel: page fault trap, code=0
> Stopped at softclock+0x16b: movq %rax,0(%rdx)
Does this fix it?
Index: ieee80211.c
===================================================================
RCS file: /cvs/src/sys/net80211/ieee80211.c,v
retrieving revision 1.65
diff -u -p -u -p -r1.65 ieee80211.c
--- ieee80211.c 12 Dec 2017 15:52:49 -0000 1.65
+++ ieee80211.c 18 Apr 2018 12:25:34 -0000
@@ -193,6 +193,7 @@ ieee80211_ifdetach(struct ifnet *ifp)
{
struct ieee80211com *ic = (void *)ifp;
+ timeout_del(&ic->ic_bgscan_timeout);
ieee80211_proto_detach(ifp);
ieee80211_crypto_detach(ifp);
ieee80211_node_detach(ifp);
