ath(4) seems to freeze NetBSD/amd64 6.0_BETA2 system

[Jukka Salmi <j+nbsd%2012.salmi.ch@localhost>]

Hello

I'm running NetBSD/amd64 6.0_BETA2 on a Soekris net6501 board and see
reproducible system crashes probably related to ath(4).

I've tried with two different PCIe wireless adapters; with both of them
the system freezes (no ddb(4) prompt on the console, though) soon after
some packets have been received on the ath0 interface.

dmesg(8) and pcictl(8) output of the adapters in question:

D-Link DWA-556
--------------

ath0 at pci13 dev 0 function 0: Atheros 5416
ath0: interrupting at ioapic0 pin 19
ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 
36Mbps 48Mbps 54Mbps
ath0: mac 12.10 phy 8.1 radio 13.0

013:00:0: Atheros Communications product 0x0024 (miscellaneous network, 
revision 0x01)


TP-Link TL-WN781ND
------------------

ath0 at pci13 dev 0 function 0: Atheros 9285
ath0: interrupting at ioapic0 pin 19
ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 
36Mbps 48Mbps 54Mbps
ath0: mac 192.2 phy 14.0 radio 12.0

013:00:0: Atheros Communications AR9285 Wireless LAN (miscellaneous network, 
revision 0x01)


Is anybody else seeing this?  Any hints what to do?


TIA & cheers,

Jukka

-- 
This email fills a much-needed gap in the archives.