linux-kernel - Re: irq 19: nobody cared

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Message-ID: <70318cbf0810182334o4394f990h377b0a14215e1541@mail.gmail.com>
Date:	Sat, 18 Oct 2008 23:34:19 -0700
From:	"Chris Li" <lkml@...isli.org>
To:	"Steven Rostedt" <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: irq 19: nobody cared

On Sat, Oct 18, 2008 at 9:05 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> Hi Chris,
>
> Do you still have this problem, without any "irqpoll" workarourd? If so,
> can you boot with the "noapic" kernel command line parameter, and see if
> that stops the warning?

Yes, I still have this annoying IRQ storm problem. With noapic, the IRQ number
change to 11. It is still there.

Chris

ACPI: PCI Interrupt Link [LNKF] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
uhci_hcd 0000:00:1a.1: PCI INT B -> Link[LNKF] -> GSI 11 (level, low) -> IRQ 11
uhci_hcd 0000:00:1a.1: setting latency timer to 64
uhci_hcd 0000:00:1a.1: UHCI Host Controller
uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1a.1: irq 11, io base 0x0000fc00
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb4: Product: UHCI Host Controller
usb usb4: Manufacturer: Linux 2.6.27-rc7-tip uhci_hcd
usb usb4: SerialNumber: 0000:00:1a.1
irq 11: nobody cared (try booting with the "irqpoll" option)
Pid: 436, comm: modprobe Not tainted 2.6.27-rc7-tip #2
 [<c0461e45>] __report_bad_irq+0x2e/0x6f
 [<c0461f6d>] note_interrupt+0xe7/0x13e
 [<c04625b5>] handle_level_irq+0x8f/0xc4
 [<c0462526>] ? handle_level_irq+0x0/0xc4
 [<c0405d7c>] do_IRQ+0xab/0xd1
 [<c040472f>] common_interrupt+0x23/0x28
 [<c04306ca>] ? __do_softirq+0x5b/0xe7
 [<c043066f>] ? __do_softirq+0x0/0xe7
 [<c0405e14>] do_softirq+0x72/0xb2
 [<c0430459>] irq_exit+0x38/0x6d
 [<c041506e>] smp_apic_timer_interrupt+0x71/0x7f
 [<c0404848>] apic_timer_interrupt+0x28/0x30
 [<c062d0bb>] ? _spin_unlock_irqrestore+0x13/0x1f
 [<c05bdaf1>] pci_conf1_write+0xb1/0xbf
 [<c05bf118>] raw_pci_write+0x4d/0x58
 [<c052583b>] acpi_os_write_pci_configuration+0x64/0x77
 [<c0530a91>] acpi_ex_pci_config_space_handler+0x4d/0x58
 [<c0530a44>] ? acpi_ex_pci_config_space_handler+0x0/0x58
 [<c052a103>] acpi_ev_address_space_dispatch+0x12f/0x16f
 [<c052df0a>] acpi_ex_access_region+0x1b2/0x1c0
 [<c052e02f>] acpi_ex_field_datum_io+0x117/0x1ae
 [<c052e383>] acpi_ex_write_with_update_rule+0xd5/0xde
 [<c052e63b>] acpi_ex_insert_into_field+0x2af/0x2cc
 [<c052cc85>] acpi_ex_write_data_to_field+0x169/0x181
 [<c0530d6a>] acpi_ex_store_object_to_node+0x82/0xb7
 [<c0530f38>] acpi_ex_store+0xc9/0x221
 [<c052d5ce>] ? acpi_ex_resolve_to_value+0xbc/0x21a
 [<c052ef32>] acpi_ex_opcode_1A_1T_1R+0x3db/0x535
 [<c052f690>] ? acpi_ex_resolve_operands+0x1cc/0x47c
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