cisco-nsp at slepicka
Nov 18, 2009, 1:24 PM
Post #3 of 3
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Just a quick follow-up on this one (took me a while to find the email).
Cisco's response:
CSCsw84727 not present in 12.2(52)SG. As the fix was non trivial, it is
undergoing testing. It will be in Fall08 SG4 (12.2.(50)SG4). And in the
Zanzibar release 12.2.(54)SG.
James Slepicka wrote:
> Not specifically seeing these issues, but I have at least one 4900M
> and a few 4500 Sup6E's running 12.2(52/53)SG that are experiencing CPU
> issues. When configured with sub-second OSPF hello timers, they drop
> adjacencies when I copy a file (ftp/tftp) to bootflash. High CPU
> utilization in the Exec/Virtual Exec process. I suspect something is
> messed up with the scheduling/prioritization of processes. This may
> be causing the issues that you're seeing as well.
>
> BTW -- the OSPF issue is bug id CSCsw84727. Cisco says it's fixed in
> 12.2(52 and 53)SG, but it's obviously not. Still waiting on
> resolution for this one.
>
> Adam Rothschild wrote:
>> Hi all,
>>
>> Anybody out there running into CPU exhaustion issues on this box (or a
>> non-fixed-configuration Sup6E, ...), linked to the "low priority"
>> management process and its dependencies?
>>
>> I'm specifically tracking CSCta54369 ("High CPU caused due to
>> K5AclCamStatsMan hw process") along with CSCta77487 ("High cpu in K5L3
>> review jobs with incomplete arps and big routing table").
>>
>> Cisco's troubleshooting guide[1] provides an interesting top-level
>> overview of the architecture, though stops short of dispensing
>> meaningful configuration pointers, assuming they exist.
>>
>> I've got a TAC case going, meanwhile any clues and/or experiences from
>> the field, on- or off-list, would be greatly appreciated. :-)
>>
>> Thanks in advance,
>> -a
>>
>> [1]
>> http://www.cisco.com/en/US/products/hw/switches/ps663/products_tech_note09186a00804cef15.shtml
>>
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