Date: Wed, 26 Jan 2000 10:47:04 -0500 From: Coleman Kane <cokane@one.net> To: Bryan Bursey <bbursey@nipplehead.yi.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: IRQs appearing incorrectly in dmesg Message-ID: <20000126104704.C31345@evil.2y.net> In-Reply-To: <Pine.BSF.4.20.0001252006340.21864-100000@nipplehead.yi.org>; from bbursey@nipplehead.yi.org on Tue, Jan 25, 2000 at 11:31:08PM -0500 References: <XFMail.000125003643.freebsd@cybcon.com> <Pine.BSF.4.20.0001252006340.21864-100000@nipplehead.yi.org>
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These are not 'incorrect' as you say, they are just the way PCI is set up (remember, the normal PIC is an x86 thing, but PCI is used on many other architectures). These IRQs get mapped around to their x86 counterparts after the drivers that the PCI boards represent are inited. Check these out: A Compaq Server: Probing for devices on PCI bus 0: chip0: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int v irq 176 on chip1: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 7 irq 160 on chip2: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 7 irq 32 on p chip3: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 6 irq 160 on chip4: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 6 irq 32 on p chip5: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 5 irq 160 on chip6: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 5 irq 32 on p chip7: <Host to PCI bridge (vendor=0e11 device=4000)> rev 0x00 int 4 irq 160 on lnc1: <PCNet/PCI Ethernet adapter> rev 0x02 int b irq 3 on pci0.11.0 lnc1: PCnet-32 VL-Bus address 00:80:5f:06:69:6a ncr0: <ncr 53c810 fast10 scsi> rev 0x02 int a irq 10 on pci0.12.0 xl0: <3Com 3c900B-TPO Etherlink XL> rev 0x04 int a irq 9 on pci0.13.0 --cokane Bryan Bursey had the audacity to say: > G'day folks... > > My 3.4-STABLE box is incorrectly reporting the IRQs for many of my PCI > devices in dmesg. Some details are inserted below. I'm wondering if > > xl0: <3Com 3c900B-TPO Etherlink XL> rev 0x04 int a irq 19 on pci0.9.0 > es1: <AudioPCI ES1370> rev 0x01 int a irq 17 on pci0.13.0 > bktr0: <BrookTree 848> rev 0x11 int a irq 16 on pci0.15.0 > > Any help and/or advice much appreciated. > > Regards, > Bryan > > > +----------------------------------------+ > | Drugs may be the road to nowhere, | > | but at least they're the scenic route. | > +----------------------------------------+ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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