Am 28.10.2010 17:05, Anders Blomdell wrote:
> Current results:
> 
> 1. 2.6.35.7, maxcpus=1; a few thousand rounds, freeze and this after
> some time:
> 
> BUG: spinlock lockup on CPU#0, raw_test/2924, c0a1b540
> Process raw_test (pid: 2924, ti=f18bc000 task=f1bdab00 task.ti=f18bc000)
> I-pipe domain Xenomai
> Stack:
> Call Trace:
> Code: d0 85 d8 74 0f ba 71 00 00 00 b8 78 a7 8f c0 e8 3b 03 02 00 a1 28
> f6 9f c0 89 f2 8b 48 20 89 d8 e8 ad fd ff ff 57 9d 8d 65 f4 5b <5e> 5f
> 5d c3 90 55 89 e5 0f 1f 44 00 00 8b 0d 28 f6 9f c0 ba 00
> 

Please provide the full kernel log, ideally also with the I-pipe tracer
(with panic tracing) enabled.

> 2. 2.6.35.7, maxcpus=4; no packets sent, this on console:
> 
> e1000: rteth0: e1000_clean_tx_irq: Detected Tx Unit Hang

Err, is this another NIC used on this box? If yes and when used as RTnet
NIC instead, does it trigger the same issue?

>  Tx Queue             <0>
>  TDH                  <0>
>  TDT                  <10>
>  next_to_use          <10>
>  next_to_clean        <0>
> buffer_info[next_to_clean]
>  time_stamp           <362d2>
>  next_to_watch        <0>
>  jiffies              <368f8>
>  next_to_watch.status <0>
> 
> Anders

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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