[c-nsp] Cisco ASA5516-x DATAPATH-0-1648 and DATAPATH-0-1648 CPU hog

[harbor235]

What features do you have enabled? NGFW and/or NGIPS? These features can
limit the box to 450Mbps.

Mike

On Tue, Jun 4, 2024 at 6:53 PM Lee Starnes via cisco-nsp <
cisco-nsp at puck.nether.net> wrote:

> Hello Everyone,
>
> I have an odd issue trying to track down. We are seeing issue whereby
> traffic just "pauses" through the ASA for about 2-4 seconds before
> resuming.
>
> We started seeing this when the device was low on memory (about 600M
> available). we rebooted it and did an firmware update the current version.
>
> Still seeing this behavior.
>
> After another reboot, still seeing this.
>
> Process:      DATAPATH-0-1665, PROC_PC_TOTAL: 407, MAXHOG: 10, LASTHOG: 5
> MAXHOG At:    15:31:54 PDT Jun 4 2024
> LASTHOG At:   15:37:48 PDT Jun 4 2024
> PC:           0x0000000000000000 (suspend)
>
> Process:      DATAPATH-0-1665, NUMHOG: 385, MAXHOG: 10, LASTHOG: 5
> MAXHOG At:    15:31:54 PDT Jun 4 2024
> LASTHOG At:   15:37:48 PDT Jun 4 2024
> PC:           0x0000000000000000 (suspend)
> Call stack:   0x0000564741c98c49  0x0000564742188996  0x00005647436c2d28
>               0x00005647436d2abc  0x00005647436e2ae0  0x00007f2d2067bff5
>               0x00007f2d1f88416f
>
>
> Process:      DATAPATH-1-1666, PROC_PC_TOTAL: 402, MAXHOG: 12, LASTHOG: 5
> MAXHOG At:    15:31:48 PDT Jun 4 2024
> LASTHOG At:   15:37:41 PDT Jun 4 2024
> PC:           0x0000000000000000 (suspend)
>
> Process:      DATAPATH-1-1666, NUMHOG: 376, MAXHOG: 12, LASTHOG: 5
> MAXHOG At:    15:31:48 PDT Jun 4 2024
> LASTHOG At:   15:37:41 PDT Jun 4 2024
> PC:           0x0000000000000000 (suspend)
> Call stack:   0x0000564741c98c49  0x0000564742188996  0x00005647436c2d28
>               0x00005647436d2abc  0x00005647436e2ae0  0x00007f2d2067bff5
>               0x00007f2d1f88416f
>
>
>
> I did disable logging flash-bufferwrap to stop it from writing to flash.
> The logging process stopped using 29% CPU, but still the issue persists.
>
> Anyone got any Ideas on what the cause is and how to resolve it?
>
> Best,
>
> -Lee
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