Hello,

I already compiled a new kernel (version 2.6.31.8) with the rtai 3.8  
patch. loading the module rtcfg ends up again in a kernel panic.

maybe i don't need this module because i only need realtime acces to  
my nic (rtl 8139) without any mac discipline.

Is there a tutorial which describes how to use configure only the  
realtime nic driver?

Thank You
Andreas Kasper

Zitat Jan Kiszka <jan.kis...@web.de>:

> Am 28.12.2010 16:24, Andreas Kasper wrote:
>> Hello,
>>
>> every time when I use the command
>>
>> ./rtnet start
>>
>> a kernel panic occurs. The first time I installed rtnet I was able so
>> start the simpleclient & simpleserver example programs, but a week
>> later, booting the computer again and trying to start rtnet ends with
>> the panic. I hope somone can help me, details can be found belwo.
>>
>> I'm new to that mailing list and I need a working rtnet configuration
>> for my thesis. Thanks in advance
>> Andreas Kasper
>>
>> My configuration:
>> Kernel 2.6.24
>
> This is a very old kernel. You should try to reproduce with a recent one.
>
>> RTAI 3.8
>> rtnet 0.9.12
>> NIC: Realtek 8139
>>
>> Befor I start rtnet I'm:
>> X) unloading the following kernel module
>> 8139too
>>
>> X) loading the following kernel modules
>> trai_hal, rtai_sched, rtai_sem, rtai_rtdm
>>
>> I can also run the RTAI test programs without any errors!
>>
>> Kernel Panic output:
>> I only see the last lines of the kernel panic output, but here they
>> are (in short form):
>>
>> Call Trace:
>> _rtai_apic_timer_handler+0xab/0x240 [rtai_hal]
>> detault_idle+0x2f/0x40
>> detault_idle+0x0/0x40
>> rtai_apic_timer_handler+0x23/0x40 [rtai_hal]
>> detault_idle+0x0/0x40
>> detault_idle+0x2f/0x40
>> cpu_idle+0x4b/0xd0
>> start_kernel+0x325/0x3c0
>> unknown_bootoption+0x0/0x1e0
>> ....
>> EIP: [<...>] rt_timer_handler+0x3b5/0xa00 [rtai_sched] SS:ESP ...
>> --- [ end trace ... ] ---
>> Kernel panic - not syncing: Attempted to kill the idle task!
>
> The backtrace appears to point to RTAI issues. After reproducing over a
> recent kernel and catching the full trace via a serial console etc., you
> may involve that community as well. I can't help with RTAI bits, but if
> it turns out that RTnet is the actual origin of the crash, I will have a
> look.
>
> Jan
>
>




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