kernel panic is coming in Repeater mode while upgrading hostapd 0.4.8 to 0.6.9

Kelly Hogan kshogan at nomadisp.com
Fri Jun 5 12:06:59 EDT 2009


you must set the master VAP as the first created one, then the station  
VAP.  Always assert them in this order.

On Jun 5, 2009, at 5:55 AM, gokulnatha at yahoo.co.in wrote:

>
> --- On Sun, 31/5/09, Pavel Roskin <proski at gnu.org> wrote:
>
>> From: Pavel Roskin <proski at gnu.org>
>> Subject: Re: kernel panic is coming in Repeater mode while  
>> upgrading hostapd 0.4.8 to 0.6.9
>> To: "gokulnath A" <gokulnatha at yahoo.co.in>
>> Cc: hostap at lists.shmoo.com
>> Date: Sunday, 31 May, 2009, 3:25 AM
>> On Sat, 2009-05-30 at 13:09 +0530,
>> gokulnath A wrote:
>>> hi all...
>>>
>>>   I have upgraded the hostapd version 0.4.8
>> to 0.6.9 in my atheros
>>> based chipset. I am using Madwifi Wirless driver
>> .  i have set
>>> Repeater Mode with first Vap as managed mode and
>> Second Vap as Master
>>> mode . While setting WPA, WPA2 , WPA-PSK, WPA2-PSK,
>> WPA-auto,
>>> WPA2-auto anyone of the security settings in VAP2 ,
>> kernel panic is
>>> coming after reboot . Please help me to solve this
>> issue.
>>>
>>> But setting in VAP1 have no problem. Only VAP2 having
>> the kernel panic
>>> problem.
>>
>
>
>
>> Userspace software such as hostapd or wpa_supplicant cannot
>> be held
>> responsible for kernel panics.
>>
>> Kernel panic is a kernel issue and should be reported as
>> such, that is,
>> to the list about the appropriate driver (MadWifi in this
>> case),
>> complete with the versions of the software involved (kernel
>> and MadWifi)
>> and the backtrace from the kernel log.
>
>
> hi .
>
>  The kernel panic is coming when i upgrade the hostapd to 0.6.9. In  
> the version i previously used is 0.4.8.In that version there is no   
> kernel panic and the system works fine. if it is not a hostapd issue  
> then the panic should come in 0.4.8 version . But in my case its not  
> coming .
>
> And In the System Kernel(linux-2.4.25) , Wireless Driver (madwifi- 
> ng),  I didn't change anything in that .
>
> As i said when Vap2 entered promiscuous mode its try to get the  
> security settings. there only kernel panic starts.
> here is kernel log :
> <6>device ath1 entered promiscuous mode
> <6>device ath2 entered promiscuous mode
> <4>unexpected operating mode 1Break instruction in kernel code in  
> traps.c::do_bp, line 591:
> <4>$0 : 00000000 1000ed00 0000001b 00000001 80158898 00000000  
> 1000ed00 00000031
> <4>$8 : 00000000 00000000 00000001 80164aeb fffffffb ffffffff  
> 0000000a 00000000
> <4>$16: 81c88160 81f04000 81d28160 81d28ae0 c04aa8d0 00000001  
> 00000000 00000001
> <4>$24: 81fa9cb8 80164ecf                   81fa8000 81fa9d98  
> 00000000 c049b344
> <4>Hi : 00000000
> <4>Lo : 0000000a
> <4>epc   : c049b344    Tainted: P
> <4>Status: 1000ed03
> <4>Cause : 10800024
> <4>PrId  : 00018009
> <4>Process hostapd (pid: 470, stackpage=81fa8000)
> <4>Stack:    00000059 00000001 81fa9ea0 81fa9ea0 81c82b20 800b8c60  
> 81f04000
> <4> 00000001 81d28ae0 81fa9ea0 c04aa8d0 c04aa924 8104d200 80029a98  
> 000001f0
> <4> 800b87ec 81f04000 c049a534 8013c420 81fc1d80 81f9015c 81fc1d80  
> 81fa9ea4
> <4> 81d28160 81fa9ea0 c04aa9b8 00000000 c04aab30 00000000 10000ba8  
> 00000000
> <4> 00000001 00000000 00000000 8013c420 00457450 81c58000 00008be6  
> 81fa9e90
> <4> 800c7220 ...
> <4>Call Trace:   [<800b8c60>] [<c04aa8d0>] [<c04aa924>] [<80029a98>]  
> [<800b87ec>]
> <4> [<c049a534>] [<c04aa9b8>] [<c04aab30>] [<800c7220>] [<80024940>]  
> [<80024908>]
> <4> [<800bef30>] [<800b5cb0>] [<800b5c64>] [<80052954>] [<800fc5e4>]  
> [<800b54b8>]
> <4> [<8004ccb4>] [<800b5ad0>] [<80009664>]
> <4>
> <4>Code: 24422f0c  0040f809  00000000 <0200000d> 08126c3a  9622002c   
> 9487002c  8c83001c  24850179
> <0>Kernel panic: Aiee, killing interrupt handler!
> <0>In interrupt handler - not syncing
>
>
>
>
> Regards ,
>
> Goks
>
>
>
>
>
>
>
>
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