Re: NetBSD 6.0_BETA2 i386 freezes after WPA group key handshake

[Timo Schmidt <netbsd%xomit.de@localhost>]

On Wed 27.06.2012 00:44, Christos Zoulas wrote:
> Timo Schmidt  <netbsd%xomit.de@localhost> wrote:
> > On Tue 26.06.2012 01:52, Christos Zoulas wrote:
> > > Timo Schmidt <netbsd%xomit.de@localhost> wrote:
> > > >
> > > > since an update to NetBSD 6.0_BETA2 my router freezes after a
> > > > WPA group key handshake. The sytem hangs and does not respond.
> > > > Only a reset brings the box up again. The box is providing an
> > > > access point via hostapd, DHCPD and also runs BIND9. The most
> > > > recent very strange line in /var/log/messages I can found right
> > > > before the system restarts is the following (very long) line:
> > >
> > > The nulls are just corruption.
> >
> > The was my assumption as well. But the last four lines?
> >
> > | brw-r-----  1 root operator   14,  524313 Feb 19 17:55:16 2011 /dev/vnd3j 
> >                                                              
> > | brw-r-----  1 root operator   14,  524314 Feb 19 17:55:16 2011 dev/vnd3k  
> >                                                             
> > | brw-r-----  1 root operator   14,  524315 Feb 19 17:55:16 201Jun 23 
> > 21:21:27 xxxxxxx syslogd[189]: restart
> >
> > Where does the partial ls output of /dev come from?
> 
> Some other random data buffer that got mis-owned. Remember WAPBL targets
> only metadata not data consistency.

Yes right.


> > > The problem is probably with the atheros driver; I have not
> > > seen it with other wifi cards.
> >
> > What card would you recommend?
> 
> I am using iwn without issues. iwi needs the occasional ifconfig down/up
> when it freezes. That's all I have. Which atheros card do you have? We
> can see if there are any updates to the drivers/firmware.


The output from lspci:

| lspci -vvv -nn -s 0000:00:14.0
| Ethernet controller [0200]: Atheros Communications Inc. Atheros AR5001X+ 
Wireless Network Adapter [168c:0013] (rev 01)
|          Subsystem: Netgear Device [1385:5e00]
|          Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
|          Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
|          Latency: 80 (2500ns min, 7000ns max), Cache Line Size: 32 bytes
|          Interrupt: pin A routed to IRQ 11
|          Region 0: Memory at fc000000 (32-bit, non-prefetchable)
|          Capabilities: [44] Power Management version 2
|                  Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
|                  Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=2 PME- >


I will provide the hardware label at the weekend.

  -Timo