Hard lockup CURRENT lockup with ath0 and no wireless networks in proximity

[Alexandre "Sunny" Kovalenko]

On Fri, 2008-07-25 at 17:11 +0400, Vladimir Grebenschikov wrote:
> Hi all
> 
> I have more or less recent 8-CURRENT.
> 
> And I've noticed that attempt to start wireless (start of
> wpa_supplicatnt) when there is no wireless networks in proximity leads
> to hard lockup of notebook, even DDB can't be called.
> 
> I have IBM T60 with:
> FreeBSD 8.0-CURRENT #3: Tue Jul 15 14:42:12 MSD 2008
>     root at vbook:/usr/obj/usr/src/sys/VBOOK
> 
> ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413,
> RF5413)
> ath0: <Atheros 5212> mem 0xedf00000-0xedf0ffff irq 17 at device 0.0 on
> pci3
> ath0: [ITHREAD]
> ath0: WARNING: using obsoleted if_watchdog interface
> ath0: mac 10.3 phy 6.1 radio 10.2
> wlan0: Ethernet address: 00:19:7d:44:44:44
> 
> Once I've noticed extremely high interrupt rate before lockup.
> 
> In case when there is wireless networks around everything goes as
> expected.
> 
> Any hints will be very appreciated.
> 
Are you running powerd? And if yes, does the problem disappear if you
stop powerd before starting wpa_supplicant?

If both answers are "Yes", see:

http://www.freebsd.org/cgi/getmsg.cgi?fetch=474718+0
+/usr/local/www/db/text/2008/freebsd-stable/20080713.freebsd-stable

HTH,
-- 
Alexandre "Sunny" Kovalenko (Олександр Коваленко)