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Thread: disabling IRQ 3

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  1. #1

    disabling IRQ 3

    plz tell how i can rectify this problem

    i use redhat linux AS in my laptop ACER Aspire 3002NLC when i restart network services it shows that disabling IRQ 3

    WHT to do how to rectify the problem

  2. #2
    hello,
    can you post the output of the message ? and are you using the wireless or 100tx cable. i assume when it is restarts it is not re-enabling irq3...
    telnet mtrek.game-host.org 1701

  3. #3
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    redhead's Avatar
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    Does this happen om boot, and is it something similar to this:
    ath_hal: module license 'Proprietary' taints kernel.
    ath_hal: 0.9.16.13 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413, DFS)
    wlan: 0.8.4.2 (svn 1443)
    ath_rate_sample: 1.2 (svn 1443)
    ath_pci: 0.9.4.5 (svn 1443)
    ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
    PCI: setting IRQ 11 as level-triggered
    ACPI: PCI Interrupt 0000:00:14.0[A] -> Link [LNKB] -> GSI 11 (level, low) -> IRQ 11
    irq 11: nobody cared (try booting with the "irqpoll" option)
    [<c0134572>] __report_bad_irq+0x22/0x90
    [<c0134678>] note_interrupt+0x68/0xc0
    [<c0133fbc>] __do_IRQ+0xbc/0xd0
    [<c010467c>] do_IRQ+0x3c/0x60
    =======================
    [<c010326a>] common_interrupt+0x1a/0x20
    [<c011c600>] __do_softirq+0x30/0x90
    [<c0104779>] do_softirq+0x39/0x40
    =======================
    [<c011c715>] irq_exit+0x35/0x40
    [<c0104683>] do_IRQ+0x43/0x60
    [<c010326a>] common_interrupt+0x1a/0x20
    [<c01341d4>] setup_irq+0x94/0x110
    [<f0029ee0>] ath_intr+0x0/0x2d0 [ath_pci]
    [<c01343b4>] request_irq+0x74/0xa0
    [<f0035bc3>] ath_pci_probe+0x1a3/0x360 [ath_pci]
    [<f0029ee0>] ath_intr+0x0/0x2d0 [ath_pci]
    [<c01b5cc1>] pci_call_probe+0x11/0x20
    [<c01b5d1a>] __pci_device_probe+0x4a/0x60
    [<c01b5d4f>] pci_device_probe+0x1f/0x40
    [<c01f271a>] driver_probe_device+0x2a/0xa0
    [<c01f2810>] __driver_attach+0x0/0x40
    [<c01f284b>] __driver_attach+0x3b/0x40
    [<c01f1de3>] bus_for_each_dev+0x63/0x80
    [<c01ac85f>] kobject_add+0x6f/0xb0
    [<c01f2865>] driver_attach+0x15/0x20
    [<c01f2810>] __driver_attach+0x0/0x40
    [<c01f2286>] bus_add_driver+0x66/0xb0
    [<c01f2c64>] driver_register+0x34/0x40
    [<c01b5fa8>] pci_register_driver+0x68/0x90
    [<c011802f>] printk+0xf/0x20
    [<f003e020>] init_ath_pci+0x20/0x4b [ath_pci]
    [<c0132042>] sys_init_module+0x132/0x1e0
    [<c0102ff9>] syscall_call+0x7/0xb
    handlers:
    [<f0029ee0>] (ath_intr+0x0/0x2d0 [ath_pci])
    Disabling IRQ #11
    wifi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
    wifi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps
    54Mbps
    wifi0: turboG rates: 6Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
    wifi0: H/W encryption support: WEP AES AES_CCM TKIP
    wifi0: mac 7.9 phy 4.5 radio 5.6
    wifi0: Use hw queue 1 for WME_AC_BE traffic
    wifi0: Use hw queue 0 for WME_AC_BK traffic
    wifi0: Use hw queue 2 for WME_AC_VI traffic
    wifi0: Use hw queue 3 for WME_AC_VO traffic
    wifi0: Use hw queue 8 for CAB traffic
    wifi0: Use hw queue 9 for beacons
    wifi0: Atheros 5212: mem=0xeb000000, irq=11
    Don't worry Ma'am. We're university students, - We know what We're doing.
    'Ruiat coelum, fiat voluntas tua.'
    Datalogi - en livsstil; Intet liv, ingen stil.

  4. #4
    Newbie sirmoses's Avatar
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    Same Problem Here Guys

    Im having the same problem. I have an acer laptop and when its booting up it says "disabling irq 3". It also comes up woth a popup message that says "kernel: disabling irq 3" when i use the command "ifconfig eth0 up". it also doesnt allow me to get an ip address via dhcpcd and always disables the eth0 device when i use this command. If anyone has any help for us that would be greatly appriciated. Thanks in advance. Later. Byes

  5. #5
    Administrator Advisor peter's Avatar
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    It's probably doing that due to an IRQ conflict.

    What data do you get when you run the command "lspci"? It should show IRQs

    I think you can look at the /proc/interrupts file and see what device has taken over IRQ3 and then disable it, or make it use another IRQ. You could also try to find a way to make your NIC use a different IRQ too.

  6. #6
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    Not exactly peter.. The hard part is making the conflicting devices chose IRQs which arent conflicting.. Todays hardware dosn't exactly have pins on them to manualy set their IRQs, and when you alter the reserverd IRQ setting in the BIOS, the conflicting devices has a tendency to chose a different IRQ, which unfortunately is still a conflicting IRQ.

    Usualy this shouldn't be a problem, since modern BIOS and hardware dosn't have a problem with IRQ-sharing.. But the output I provided is what my webserver encounters on every single boot, nomatter how much I've tried to change the IRQ specifications, since it's ACPI/Audio/NIC is trying to use the very same IRQ.

    So my solution has been a BIOS flash, which solves some PCI-bus issues, and using the irqpoll boot option, but the IRQ-conflict still exist, altho it's not a hard lockup like previus, now it's just a soft-kerneloops.
    Don't worry Ma'am. We're university students, - We know what We're doing.
    'Ruiat coelum, fiat voluntas tua.'
    Datalogi - en livsstil; Intet liv, ingen stil.

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