Date: Wed, 23 Apr 1997 17:52:37 From: John Clark <jc@netview.net> To: questions@freebsd.org Subject: Sharing PCI Interrupts Message-ID: <3.0.1.32.19970423175237.00ae29a0@199.3.74.250>
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Hello, I was just wondering why these NICs shared the same interrupt on the PCI bus: /kernel: de0 <Digital DC21140A Fast Ethernet> rev 32 int a irq 10 on pci0:13 /kernel: de0: SMC 9332BDT DC21140A [10-100Mb/s] pass 2.0 /kernel: de0: address 00:00:c0:80:ae:f9 /kernel: de1 <Digital DC21140A Fast Ethernet> rev 32 int a irq 10 on pci0:14 /kernel: de1: SMC 9332BDT DC21140A [10-100Mb/s] pass 2.0 /kernel: de1: address 00:00:c0:2d:ac:f9 I have another box that does not: /kernel: de0: SMC 9332BDT DC21140A [10-100Mb/s] pass 2.0 /kernel: de0: address 00:00:c0:20:ae:f9 /kernel: vga0 <VGA-compatible display device> rev 0 int a irq ?? on pci0:10 /kernel: de1 <Digital DC21140A Fast Ethernet> rev 32 int a irq 10 on pci0:11 /kernel: de1: SMC 9332BDT DC21140A [10-100Mb/s] pass 2.0 /kernel: de1: address 00:00:c0:f2:ae:f9 Is the PCI interrupt sharing unique to Intel boards? Thanks, John Clark [email@john.net]
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