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Date: Sun, 28 Nov 2004 18:19:29 -0700
From: Scott Long <scottl@freebsd.org>
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To: Willem Jan Withagen <wjw@withagen.nl>
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cc: stable@freebsd.org
Subject: Re: same interrupts on uhc and em0
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Willem Jan Withagen wrote:
> Hi,
> 
> Got this intel r1300 dual processor server with 2 Em inerfaces and a lot 
> of usb ports, 2Gb and en Promise Fastrack TX2000
> 
> Problem is that when em0 gets an interrupt, it also shows up on the USB 
> controller. top shows the exact same amounts of interrupt at both every 
> time over. Which has a lickelyhood of less than zero.
> 
> Is this more common, and if so: what might fix it.
> 
> --WjW

This is a common problem, and unfortunately there hasn't been much 
movement in fixing it.  I'd highly suggest disabling USB in the BIOS if
you don't need it.

Scott