On Mon, 11 Jul 2005, John Baldwin wrote:
What command will show me the current IRQ assignements? Just grepping
for irq in the dmesg gives:
ioapic0 <Version 1.1> irqs 0-15 on motherboard
ioapic1 <Version 1.1> irqs 16-31 on motherboard
fxp0: <Intel 82559 Pro/100 Ethernet> port 0x1800-0x183f mem
0xec900000-0xec9fffff,0xec801000-0xec801fff irq 18 at device 6.0 on pci0
amr0: <LSILogic MegaRAID 1.51> mem 0xf4000000-0xf7ffffff irq 20 at
device 3.1 on pci4
atkbd0: <AT Keyboard> irq 1 on atkbdc0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
unknown: <PNP0f13> can't assign resources (irq)
Is there something more tailored than that? I scanned through sysctl but
it doesn't look like they are listed therein.
No, there isn't a good command other than dmesg | grep irq. I should probably
write one actually.
That would be very good. After a server has been running for a while the
boot info gets displaced out of the buffer dmesg accesses, and the logs in
/var/log would typically have been rolled over and removed as well.
On my servers I run an rc.d script which stores the dmesg output for
future reference. Is something like that worth adding to the standard
distribution?
Andrew McNaughton
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