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Date: Wed, 05 May 2004 11:54:03 -0700 (PDT)
From: John Polstra <jdp@polstra.com>
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cc: freebsd-net@freebsd.org
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Subject: Re: em(4) problems.
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On 05-May-2004 Søren Schmidt wrote:
> For what its worth I have problems with one em based interface as well, 
> it locks the machine solid when used:
> 
> em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port 
> 0xb000-0xb01f mem 0xfb100000-0xfb11ffff irq 10 at device 1.0 on pci1
> em0: Reserved 0x20000 bytes for rid 0x10 type 3 at 0xfb100000
> em0: Reserved 0x20 bytes for rid 0x18 type 4 at 0xb000
> em0: [GIANT-LOCKED]
> em0: Ethernet address: 00:30:48:80:9f:b6
> 
> where this one works just fine:
> 
> em1: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port 
> 0xa800-0xa83f mem 0xfa000000-0xfa01ffff irq 19 at device 10.0 on pci3
> em1: Reserved 0x20000 bytes for rid 0x10 type 3 at 0xfa000000
> em1: Reserved 0x40 bytes for rid 0x18 type 4 at 0xa800
> em1: [GIANT-LOCKED]
> em1: Ethernet address: 00:30:48:80:9f:b7
> 
> 
> The chips are these
> em0@pci1:1:0:   class=0x020000 card=0x10758086 chip=0x10758086 rev=0x00 
> hdr=0x00
> em1@pci3:10:0:  class=0x020000 card=0x10768086 chip=0x10768086 rev=0x00 
> hdr=0x00

Are either of the IRQs (10 and 19) shared with other devices?

John