Interrupt storm with MSI in combination with em1

Steven Hartland killing at multiplay.co.uk
Fri May 6 15:31:15 UTC 2011


----- Original Message ----- 
From: "Daan Vreeken" <Daan at vehosting.nl>
> 
> # vmstat -i
> interrupt                          total       rate
> irq3: uart1                       917384         63
> --> irq16: ehci0                   809547235      55608

Have you tried removing USB from the kernel?

USB seems to be a common course of this behaviour and here at least
removing it from the kernel fixes in all cases assuming you don't
need it for something?


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