Re: Intel x520-t2: interrupt storm detected + throttling

2012-01-13 Thread Iordan Iordanov
Hi again Jack, On 01/13/12 13:04, Jack Vogel wrote: do a `sysctl hw.intr_storm_threshold` its too low. It is set to 1000 by default. My suggestion is to set that to 0, this disables the test. But otherwise you will need to increase it high enough to eliminate the throttling. This did quie

Re: Intel x520-t2: interrupt storm detected + throttling

2012-01-13 Thread Jack Vogel
10G pushes interrupts into a realm that the defaults are unprepared for... specifically there is a storm threshold that you will exceed: do a `sysctl hw.intr_storm_threshold` its too low. My suggestion is to set that to 0, this disables the test. But otherwise you will need to increase it high e

Intel x520-t2: interrupt storm detected + throttling

2012-01-13 Thread Iordan Iordanov
Hello, I decided to send a separate message about another problem that we witnessed while testing 10GbaseT connectivity between a pair of Intel x520-t2 interconnected with cat6 cable. While we were testing we got a multitude of kernel messages of this form: interrupt storm detected on "irq27