Re: [19.666764] Disabling IRQ #23

["Justin Mattock" <justinmattock@gmail.com>]

On Wed, Sep 10, 2008 at 12:36 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
> On Wed, Sep 10, 2008 at 12:06 PM, Justin Mattock
> <justinmattock@gmail.com> wrote:
>> hello; I accidently erased the original thread
>> appologize for starting a new one of the same,
>> I've been noticing this message(below) appear
>> every "X" amount of boot's(maybe ten or so);
>> normally upon booting leaving me unable
>> to login.
>>
>> below is dmesg of the message:
>>
>> [    0.400075] pci 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23
> ..
>> [    0.400104] pci 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23
> ...
>> [   10.848404] USB Universal Host Controller Interface driver v3.0
>> [   10.857709] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23
>> [   10.867186] uhci_hcd 0000:00:1d.0: setting latency timer to 64
>> [   10.876344] uhci_hcd 0000:00:1d.0: UHCI Host Controller
>> [   10.885571] SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts
>> [   10.894904] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned
>> bus number 1
>> [   10.904218] uhci_hcd 0000:00:1d.0: irq 23, io base 0x00004080
>> [   10.913838] usb usb1: configuration #1 chosen from 1 choice
>> [   10.923378] hub 1-0:1.0: USB hub found
>> [   10.932676] hub 1-0:1.0: 2 ports detected
> ..
>> [   12.119258] usb 2-2: configuration #1 chosen from 1 choice
>> [   12.140614] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23
>> [   12.149917] ehci_hcd 0000:00:1d.7: setting latency timer to 64
>> [   12.159523] ehci_hcd 0000:00:1d.7: EHCI Host Controller
>> [   12.168858] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned
>> bus number 5
>> [   12.182246] ehci_hcd 0000:00:1d.7: debug port 1
>> [   12.191574] ehci_hcd 0000:00:1d.7: cache line size of 32 is not supported
>> [   12.200970] ehci_hcd 0000:00:1d.7: irq 23, io mem 0x50405400
>> [   12.250079] usb 3-2: new full speed USB device using uhci_hcd and address 2
>> [   12.270062] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00,
>> driver 10 Dec 2004
>> [   12.279955] usb usb5: configuration #1 chosen from 1 choice
>> [   12.289791] hub 5-0:1.0: USB hub found
>> [   12.299531] hub 5-0:1.0: 8 ports detected
>> [   12.309416] ath_pci: svn r3359
>> [   12.332576] hub 3-0:1.0: unable to enumerate USB device on port 2
>> [   12.356208] ACPI: SBS HC: EC = 0xf78c8000, offset = 0x20, query_bit = 0x10
>> [   12.478925] Symbol init_mm is marked as UNUSED, however this module
>> is using it.
>> [   12.488823] This symbol will go away in the future.
>> [   12.498834] Please evalute if this is the right api to use and if
>> it really is, submit a report the linux kernel mailinglist together
>> with submitting your code for inclusion.
>
>> [   18.821797] irq 23: nobody cared (try booting with the "irqpoll" option)
>> [   18.830005] Pid: 2371, comm: swapon Tainted: P          2.6.27-rc6 #22
>> [   18.830005]  [<c0151748>] __report_bad_irq+0x2e/0x6f
>> [   18.830005]  [<c015196f>] note_interrupt+0x1e6/0x217
>> [   18.830005]  [<c0150d47>] ? handle_IRQ_event+0x2a/0x5a
>> [   18.830005]  [<c0151f20>] handle_fasteoi_irq+0x91/0xb6
>> [   18.830005]  [<c0104ff2>] do_IRQ+0x6c/0x86
>> [   18.830005]  [<c0103a6f>] common_interrupt+0x23/0x28
>> [   18.830005]  [<c021007b>] ? blkdev_ioctl+0x4b0/0x719
>> [   18.830005]  [<c0117347>] ? kunmap_atomic+0x4/0xa5
>> [   18.830005]  [<c015fc58>] __do_fault+0x2ca/0x32a
>> [   18.830005]  [<c0170cf0>] ? check_bytes_and_report+0x21/0x93
>> [   18.830005]  [<c0161191>] handle_mm_fault+0x2de/0x62c
>> [   18.830005]  [<c01635e3>] ? remove_vma+0x41/0x47
>> [   18.830005]  [<c01727d0>] ? kmem_cache_free+0x80/0x96
>> [   18.830005]  [<c039ebac>] do_page_fault+0x2d8/0x60c
>> [   18.830005]  [<c0127a95>] ? irq_exit+0x53/0x6d
>> [   18.830005]  [<c039e8d4>] ? do_page_fault+0x0/0x60c
>> [   18.830005]  [<c039d2a2>] error_code+0x72/0x78
>> [   18.830005]  =======================
>> [   18.830005] handlers:
>> [   18.830005] [<c02cc9fb>] (usb_hcd_irq+0x0/0x79)
>> [   18.830005] [<c02cc9fb>] (usb_hcd_irq+0x0/0x79)
>> [   18.830005] Disabling IRQ #23
>
>
> uhci and ehci share one irq. and irq handers for them all registered....
>
> or there is hub under that uhci again...
>
> YH
>

Not sure,
let me disable ehci_hcd for a while to see if this message appears


-- 
Justin P. Mattock