[F10-nsp] Kern Mem

[Fajri Nur Badri]

>
> hi all,
>
> for related case, here I share advice from force10 expert :
>
>
> [26/01/2011 21:01:56] Prasanth Sasidharan: what i did was  "turn off"
> parity checking of the L2_ENTRY
> [26/01/2011 21:02:01] Prasanth Sasidharan: and the error message
> disappeared
> [26/01/2011 21:02:15] Prasanth Sasidharan: it means that there is harware
> parity error in the system
> [26/01/2011 21:02:43] Prasanth Sasidharan: it is a ASIC related issue
>
> and he recommend for the switch like that is do RMAed..
>
> best regards,
> Fajri
>
> 2011/1/28 Matt Hite <lists at beatmixed.com>
>
> I've seen it on one of our S50 switches recently, too, in combination with:
>>
>> Jan 19 16:55:17.78 PST: %STKUNIT0-M:CP %KERN-2-INT:
>> soc_fb_mmu_parity_error:unit = 1,INTSTATUS  = 0x00000000 Fail Count =
>> 0
>>
>> Symptoms included some [but not all] hosts having difficulty reaching
>> certain servers connected to switch.
>>
>> I ripped the switch out and replaced it with a spare. No idea what the
>> actual problem is... although the parity_error would suggest some data
>> corruption, perhaps relating to onboard memory. But who knows other
>> than a developer -- there isn't mention that I could of this problem
>> in the Force10 support database.
>>
>> -M
>>
>> On Wed, Jan 26, 2011 at 3:47 AM, Kabayan <kab4yan at yahoo.com> wrote:
>> > Hi All,
>> >
>> > What's going on with my switch ?
>> >
>> > Jan 26 11:42:24.538 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:24.538 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:23.429 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:23.428 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:22.189 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:22.188 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:20.848 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:20.848 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:19.630 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:19.630 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:18.535 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:18.534 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:17.210 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:17.209 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:16.109 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:16.109 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:14.807 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> > Jan 26 11:42:14.806 UTC: %STKUNIT0-M:CP %KERN-2-INT: _soc_xgs3_mem_dma:
>> L2_ENTRY.ipipe0 failed(NAK)
>> > Jan 26 11:42:13.609 UTC: %STKUNIT0-M:CP %KERN-2-INT: soc_l2x_thread: DMA
>> failed: Operation failed
>> >
>> > sh mem
>> >
>> >    Statistics On Unit 0 Processor
>> >     ===========================
>> >   Total(b)      Used(b)       Free(b)      Lowest(b)      Largest(b)
>> >   268435456       2367012     266068444    266051880    266068444
>> >
>> >
>> >      CPU Statistics Of Unit 0
>> >     =======================================
>> >
>> > CPU utilization for five seconds: 0%/0%; one minute: 4%; five minutes:
>> 3%
>> > PID        Runtime(ms)    Invoked       uSecs     5Sec   1Min   5Min
>>  TTY       Process
>> > 0x4293e000          10           1       10000    0.00%   0.00%    0.00%
>>   0            POEAgt
>> > 0x4292a000     2901770      290177       10000    0.00%   0.00%    0.00%
>>   0           diagagt
>> > 0x42916000           0           0           0    0.00%   0.00%    0.00%
>>   0          debugagt
>> >
>> >
>> > Kabayan
>> >
>> >
>> >
>> >
>> >
>> >
>> > _______________________________________________
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>> >
>>
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