| dreamcarrior  
 
 
 
 
 Group: Members
 Posts: 17
 Joined: Nov. 2005
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|  | Posted: Oct. 13 2007,18:35 |  |  
 | Code Sample |  | dmesg | grep -i irq <4>ACPI: IRQ9 SCI: Edge set to Level Trigger.
 <4>ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 7 10 12 14 15) *11
 <4>ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 7 *11 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 7 *10 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 7 11 12 14 15) *10
 <4>ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 7 *10 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 7 *11 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 7 *10 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 7 *11 12 14 15)
 <4>ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
 <4>ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 10
 <4>ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
 <4>ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
 <4>ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 11
 <4>ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
 <4>ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 10
 <6>PCI: Using ACPI for IRQ routing
 <4>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
 <4>ide1 at 0x170-0x177,0x376 on irq 15
 <6>ehci_hcd 00:1d.7: irq 11, pci mem f8b41000
 <6>usb-uhci.c: USB UHCI at I/O 0x1820, IRQ 11
 <6>usb-uhci.c: USB UHCI at I/O 0x1840, IRQ 11
 <6>usb-uhci.c: USB UHCI at I/O 0x1860, IRQ 10
 <6>usb-uhci.c: USB UHCI at I/O 0x1880, IRQ 10
 <6>Yenta ISA IRQ mask 0x00f8, PCI irq 10
 <6>Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI ISAPNP enabled
 <6>wifi0: Atheros 5212: mem=0xd0000000, irq=11
 
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 | Code Sample |  | cat /proc/interrupts CPU0
 0:     302063          XT-PIC  timer
 1:        338          XT-PIC  keyboard
 2:          0          XT-PIC  cascade
 8:          0          XT-PIC  rtc
 9:       1568          XT-PIC  acpi
 10:          0          XT-PIC  usb-uhci, usb-uhci, PCI device 104c:8039 (Texas Instruments)
 11:        598          XT-PIC  ehci_hcd, usb-uhci, usb-uhci, wifi0
 12:      10634          XT-PIC  PS/2 Mouse
 14:        267          XT-PIC  ide0
 15:       4531          XT-PIC  ide1
 NMI:          0
 LOC:      15914
 ERR:          0
 MIS:          0
 
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 Looks like I do have an IRQ conflict. So I will need to reassign the IRQ for wifi0 (for the atheros card) if I would like to get it to work.
 
 What I don't understand is from iwconfig, I got both wifi0 and ath0. Why does the same device appear twice?
 
 
 | Code Sample |  | iwconfig lo        no wireless extensions.
 
 wifi0     no wireless extensions.
 
 ath0      IEEE 802.11b  ESSID:""
 Mode:Managed  Channel:0  Access Point: 00:00:00:00:00:00
 Bit Rate:0kb/s   Tx-Power:0 dBm   Sensitivity=0/3
 Retry:off   RTS thr:off   Fragment thr:off
 Power Management:off
 Link Quality:0/94  Signal level:-95 dBm  Noise level:-95 dBm
 Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
 Tx excessive retries:0  Invalid misc:0   Missed beacon:0
 
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 1.. Dell 700m
 1.8GHz, 2GB RAM, 100GB HD, Fedora 4, Gnome
 2. P-4 3.06 GHz, 3GB RAM, ATA160GB HD, SATA 500/500 GB RAID1, Fedora 6, Gnome
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