Changed motherboard, Same NICs, Interrupt CPU went up
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I just changed from a Jetway D510 to a Jetway JBC200F96 D525. I moved the same 3xIntel GigE daughtercard from the old machine to the new. My interrupt CPU has gone from effectively zero to about 20%. Both 2.1.4. Backed up and restored the config to the new machine.
Any thoughts?
![Screen Shot 2014-08-08 at 3.57.28 AM.png](/public/imported_attachments/1/Screen Shot 2014-08-08 at 3.57.28 AM.png)
![Screen Shot 2014-08-08 at 3.57.28 AM.png_thumb](/public/imported_attachments/1/Screen Shot 2014-08-08 at 3.57.28 AM.png_thumb) -
root(5): vmstat -i interrupt total rate irq1: atkbd0 6 0 irq7: ppc0 285286776 79026 irq16: em2 uhci0 1238723 343 irq18: em0 ehci0++ 902210 249 cpu0: timer 7189279 1991 cpu1: timer 7188851 1991 cpu3: timer 7188860 1991 cpu2: timer 7188857 1991 Total 316183562 87585
Got into the BIOS and disabled the parallel port. All better.
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Your parallel port, ppc0, is doing something. I doubt you're using it so try just disabling it in the BIOS.
Steve