[c-nsp] 7507 GEIP Controller

Rodney Dunn rodunn at cisco.com
Wed Jul 25 17:26:23 EDT 2007


On Thu, Jul 26, 2007 at 01:26:46AM +0500, Masood Ahmad Shah wrote:
> Thanks for your reply..I have not tried without cable, I will check it. 
> 
> Does cable effects even if the interface is shutdown?

For packet switching it shouldn't but if the driver is still sending
an interrupt it may. 

> Why I can't see the process taking this high cpu usage while I do show proc
> cpu etcc.?

Because it's interrupt level work the CPU is doing. We could try
profiling the CPU and see what it says.

It may or may not help.

> 
> Here is the output for show diag, show stacks and show align
> 
> Router#show diag 5 ( this is GEIP controller slot )
> Slot 5:
>         Physical slot 5, ~physical slot 0xA, logical slot 5, CBus 1
>         Microcode Status 0x4
>         Master Enable, LED, WCS Loaded
>         Board is analyzed 
>         Pending I/O Status: None
>         EEPROM format version 1
>         GEIP controller, HW rev 2.02, board revision A0
>         Serial number: 27588119  Part number: 73-2167-05
>         Test history: 0x00        RMA number: 00-00-00
>         Flags: cisco 7000 board; 7500 compatible
> 
>         EEPROM contents (hex):
>           0x20: 01 21 02 02 01 A4 F6 17 49 08 77 05 00 00 00 00
>           0x30: 50 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
> 
>         Slot database information:
>         Flags: 0x4      Insertion time: 0x33C0 (4d00h ago)
> 
>         Controller Memory Size: 128 MBytes DRAM, 4096 KBytes SRAM
> 
>         PA Bay 0 Information:
>                 Gigabit-Ethernet PA, 1 ports
>                 EEPROM format version 1
>                 HW rev 1.01, Board revision A0
>                 Serial number: 29339093  Part number: 73-3144-05 
> 
>         --Boot log begin--
> 
> Cisco IOS Software, VIP Software (SVIP-DW-M), Version 12.4(3a), RELEASE
> SOFTWARE (fc2)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2005 by Cisco Systems, Inc.
> Compiled Fri 30-Sep-05 07:50 by hqluong
> Image text-base: 0x6001104C, data-base: 0x60720000
> 
> Port Statistics for unclassified packets is not turned on.
> 
>         --Boot log end--
> 
> 
> 
> Router# #show stacks 
> 
> Minimum process stacks:
>  Free/Size   Name
>  2340/3000   RSP memory size check
> 11280/12000  DHCPD Receive
>  5340/6000   Inspect Init Msg
> 59136/60000  script background loader
>  5224/6000   CDP Protocol
>  5028/6000   Clock Server
> 11004/12000  Router Init
>  3220/12000  Init
>  4184/6000   Update prst
>  4976/6000   DIB error message
>  5152/6000   RADIUS INITCONFIG
>  5188/6000   DRMI Master Reg. Slave Process
>  5136/6000   CEF Reloader
>  5312/6000   MDFS Reload
> 34844/36000  TCP Command
>  5332/6000   BGP Accepter
>  4892/6000   BGP Open
>  2276/3000   Rom Random Update Process
>  9236/12000  IPS SDF Loader
>  8220/12000  Virtual Exec
>  8220/12000  Exec
> 10884/12000  SSH Process
> 
> Interrupt level stacks:
> Level    Called Unused/Size  Name
>   1  2213677378   6892/9000  Network Interrupt
>   2     5585183   7676/9000  Network Status Interrupt
>   3           0   8692/9000  OIR interrupt
>   4           0   9000/9000  PCMCIA Interrupt
>   5      171491   8596/9000  Console Uart
>   6           0   9000/9000  Error Interrupt
>   7    86692017   8604/9000  NMI Interrupt Handler


Get a couple of sh stacks and look at the interrupt level calls and
see which one is going up the most.

It may be a bad card.

> 
> Router# #show align 
> 
> No alignment data has been recorded.
> 
> No spurious memory references have been recorded.
> 
> 
> Regards,
> Masood Ahmad Shah
> 
> 
> -----Original Message-----
> From: Rodney Dunn [mailto:rodunn at cisco.com] 
> Sent: Thursday, July 26, 2007 1:14 AM
> To: Masood Ahmad Shah
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] 7507 GEIP Controller
> 
> What does 'sh diag' say and sh stack and show align.
> 
> It's as if interrupts are getting sent to the RSP for some reason.
> 
> Does the same thing happen if no cables are attached.
> 
> 'sh diag'?
> 
> On Thu, Jul 26, 2007 at 12:47:43AM +0500, Masood Ahmad Shah wrote:
> > I have strange issue with 7507.  I have added a new GEIP controller into
> it.
> > By adding this GEIP controller the CPU usage has been increased up to 20%.
> > The strange thing is that CPU usage is always normal + 20% and there 
> > is no traffic on this interface ( even if interface is shutdown the 
> > usage remains same ). And if there is traffic it's same J
> > 
> >  
> > 
> > I can't see the process taking this high CPU utilization if I look 
> > into CPU usage stats.
> > 
> >  
> > 
> > What the heck has happened to this? J
> > 
> >  
> > 
> > Here are CPU stats:
> > 
> >  
> > 
> > Router# #show proc cpu | excl 0.00%__0.00%__0.00%
> > 
> > CPU utilization for five seconds: 15%/13%; one minute: 15%; five minutes:
> > 13%
> > 
> >  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process 
> > 
> >    5      518320     41974      12348  0.00%  0.11%  0.11%   0 Check heaps
> > 
> > 
> >   20       66004    924869         71  0.08%  0.01%  0.00%   0 IPC Seat
> > Manager
> > 
> >   22      204088   1466063        139  0.00%  0.03%  0.02%   0 ARP Input
> > 
> > 
> >   31        7080      1609       4400  0.98%  1.44%  0.59%   2 Virtual
> Exec
> > 
> > 
> >   52      117672      5843      20138  0.00%  0.02%  0.00%   0 Per-minute
> > Jobs
> > 
> >   73     3586004  17990635        199  0.82%  0.60%  0.49%   0 IP Input
> > 
> > 
> >  189       38964    213398        182  0.00%  0.01%  0.00%   0 IP SNMP
> > 
> > 
> >  191       56184    104952        535  0.00%  0.01%  0.00%   0 SNMP ENGINE
> > 
> > 
> >  196      160560   1397067        114  0.08%  0.01%  0.00%   0 BGP Router
> > 
> > 
> >  197       49200    250208        196  0.00%  0.01%  0.00%   0 BGP I/O
> > 
> >  
> > 
> > IOS version:
> > 
> >  
> > 
> > IOS Version 12.4(3a)
> > 
> >  
> > 
> > Controller
> > 
> > Router# sh ver | inc GEIP
> > 
> >  
> > 
> > 1 GEIP controller (1 GigabitEthernet).
> > 
> > 1 GEIP controller (1 GigabitEthernet)
> > 
> >  
> > 
> >  
> > 
> > Regards,
> > 
> > Masood Ahmad Shah
> > 
> >  
> > 
> > _______________________________________________
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> > https://puck.nether.net/mailman/listinfo/cisco-nsp
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