AR5416 MAC based ath

[Ain Tepp]

> In message: <3edb8319ac94c39f912d9c7e8f09aeff.squirrel at webmail.equix.ee>
>             "Ain Tepp" <freebsd at luftivennad.com> writes:
> : Hi,
> :
> : Seems like enabling interface (like ifconfig ath0 up) causes trap. Other
> : operations, like setting operational mode works fine.
> : If i use "ifconfig ath0 up" i get trap for current ifconfig process pid.
> : If i use
> : # ifconfig wlan0 up
> :
> : I get all time pid 0 trap:
> :
> : Trap cause = 7 (bus error (load or store) - kernel mode)
> : [ thread pid 0 tid 100028 ]
> : Stopped at      platform_start+0x1b10:  srl     v0,a1,8
> : db> bt
> : Tracing pid 0 tid 100028 td 0xc0c7b000
> : db_trace_thread+30 (?,?,?,?) ra 80055a48 sp c74657b0 sz 24
> : 8005592c+11c (0,?,ffffffff,?) ra 8005537c sp c74657c8 sz 32
> : 80054fe8+394 (?,?,?,?) ra 8005550c sp c74657e8 sz 168
> : db_command_loop+78 (?,?,?,?) ra 80057ca8 sp c7465890 sz 24
> : 80057ba0+108 (?,?,?,?) ra 801ace78 sp c74658a8 sz 424
> : kdb_trap+108 (?,?,?,?) ra 8037d730 sp c7465a50 sz 32
> : trap+1620 (?,?,?,?) ra 803733e0 sp c7465a70 sz 176
> : MipsKernGenException+134 (0,deadc0de,a258,c7465c74) ra 80391428 sp
> : c7465b20 sz0
> : 80391420+8 (?,?,?,?) ra 0 sp c7465be8 sz 0
>
> which routine is this?

This is going over my head :( (And in my timezone time is over 11)
Can You rephrase Your question (and if needed, with simple command
examples :))


Ain

> Warner
>
> : pid 0
> : db>
> :
> :
> : Wbr,
> :
> : Ain
> :
> : > In message:
> <3f993635fc9c54a4d44aa360e26a9be0.squirrel at webmail.equix.ee>
> : >             "Ain" <freebsd at luftivennad.com> writes:
> : > : Hello!
> : > :
> : > : Last month was here a discussion about AR92XX (with subject line
> "Trap
> : > : when setting up ath0"). Now i have same kind trap, my chip is
> ar9220. If
> : > i
> : > : understand correctly, patch for 71xx
> : > : (http://people.freebsd.org/~imp/ar71xx_ath_war.diff) contains magic
> : > number
> : > : AR_RXCFG, what is not defined in ar5416reg.h. Can i use same magic
> to
> : > get
> : > : my  AR92XX working? If not, maybe some other ideas?
> : >
> : > The RXCFG bug is reported to only be with the older chipset.  Atheros
> : > didn't fix that bug in the current generation of processors.  The
> : > newer, N chipsets don't have this bug.  If you're seeing issues, then
> : > chances are very good that it is a different problem.  My work around
> : > likely won't help you much.  I'd start by building a kernel with
> : > symbols and using the debugger to help you track down the issue.  With
> : > the WAR I put in, I'd always get a different trap address.  Maybe this
> : > is something as simple as a driver bug (deref of NULL, say)....
> : >
> : > Warner
> : >
> :
> :
> :
>