[Click] driver crash

[Eddie Kohler]

Roman,

A ksymoops would be extremely helpful!

Eddie


On Jul 6, 2005, at 5:29 PM, rchertov at purdue.edu wrote:

> This is on the 2.4.26 SMP kernel using the latest CVS click SMP  
> build.  The
> driver is the e1000-5.x.  I usually get this after I send a high  
> rate of UDP
> packets with a 10 byte payload from my own packet generator (user  
> land).  I am
> going to try to use the 1.4.3 click as it seemed to crash less  
> frequently.
>
>
> This is the script that I run on the node that crashes.  The  
> machine runs on 2
> Xenon 2.8 Ghz CPUs with hyperthreading (linux reports 4 cpus) and  
> the NICs are
> pci-66 Intel Pro 1000
>
> PollDevice(eth1)
>         -> Queue(200)
>         -> ToDevice(eth2);
>
> PollDevice(eth2)
>         -> Queue(200)
>         -> ToDevice(eth1);
>
>
>
> Unable to handle kernel NULL pointer dereference at virtual address  
> 00000080
>  printing eip:
> f8829281
> *pde = 00000000
> Oops: 0000
> CPU:    0
> EIP:    0010:[<f8829281>]    Not tainted
> EFLAGS: 00010246
> eax: 00000002   ebx: 00000047   ecx: 00000000   edx: 00000040
> esi: f708d470   edi: 00000000   ebp: f6869e10   esp: f6869dd8
> ds: 0018   es: 0018   ss: 0018
> Process kclick (pid: 975, stackpage=f6869000)
> Stack: c0244a14 00035846 00000282 00000000 c030d21c 00000001  
> 00000040 00000000
>        f88ff58c f7731800 f7731aa8 00000000 f77319a0 00000040  
> f6869e40 f8828daf
>        f77319a0 f6869e30 00000040 00000287 00001b30 00000000  
> 00000001 f77318c4
> Call Trace:    [<c0244a14>] [<f8828daf>] [<c024a066>] [<c0125d19>]  
> [<c010af19>]
>   [<c010da78>] [<f882a3db>] [<f89b45c5>] [<f89b1d89>] [<f89dd862>]  
> [<f89760e0>]
>   [<f89d2670>] [<c010752e>] [<f89d25ec>]
>
> Code: 8b 8f 80 00 00 00 83 ea 04 85 c9 8b 47 10 0f 85 82 02 00 00
>  <0>Kernel panic: Aiee, killing interrupt handler!
> In interrupt handler - not syncing
>
>
> I don't suppose there is any quick magic fix laying about? :)
>
> Roman
>
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