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    Subject2.6.33.1: USB camera hung_task_timeout_secs >120 seconds
    Hi,
    I am not certain whether the stacktrace I received is just intentional
    to attract developer eyes or whether this is actually a false alarm:
    mounting USB mass storage device media always takes a long while.
    This is a P4-M laptop with Kouwell 7004 FW/USB2.0 PCMCIA card.
    Comments?
    Thanks,
    martin


    pcmcia_socket pcmcia_socket1: pccard: CardBus card inserted into slot 1
    pci 0000:07:00.0: reg 14: [mem 0x00000000-0x000000ff]
    pci 0000:07:00.0: reg 20: [io 0xfce0-0xfcff]
    pci 0000:07:00.0: supports D1 D2
    pci 0000:07:00.0: PME# supported from D0 D1 D2 D3hot D3cold
    pci 0000:07:00.0: PME# disabled
    pci 0000:07:00.1: reg 14: [mem 0x00000000-0x000000ff]
    pci 0000:07:00.1: reg 20: [io 0xfce0-0xfcff]
    pci 0000:07:00.1: supports D1 D2
    pci 0000:07:00.1: PME# supported from D0 D1 D2 D3hot D3cold
    pci 0000:07:00.1: PME# disabled
    pci 0000:07:00.2: reg 10: [mem 0x00000000-0x000000ff]
    pci 0000:07:00.2: reg 14: [mem 0x00000000-0x000000ff]
    pci 0000:07:00.2: supports D1 D2
    pci 0000:07:00.2: PME# supported from D0 D1 D2 D3hot D3cold
    pci 0000:07:00.2: PME# disabled
    pci 0000:07:00.3: reg 10: [mem 0x00000000-0x000007ff]
    pci 0000:07:00.3: reg 14: [io 0x0000-0x007f]
    pci 0000:07:00.3: supports D2
    pci 0000:07:00.3: PME# supported from D2 D3hot D3cold
    pci 0000:07:00.3: PME# disabled
    pci 0000:07:00.3: BAR 0: assigned [mem 0x8c000000-0x8c0007ff]
    pci 0000:07:00.3: BAR 0: set to [mem 0x8c000000-0x8c0007ff] (PCI address [0x8c000000-0x8c0007ff]
    pci 0000:07:00.0: BAR 1: assigned [mem 0x8c000800-0x8c0008ff]
    pci 0000:07:00.0: BAR 1: set to [mem 0x8c000800-0x8c0008ff] (PCI address [0x8c000800-0x8c0008ff]
    pci 0000:07:00.1: BAR 1: assigned [mem 0x8c000900-0x8c0009ff]
    pci 0000:07:00.1: BAR 1: set to [mem 0x8c000900-0x8c0009ff] (PCI address [0x8c000900-0x8c0009ff]
    pci 0000:07:00.2: BAR 0: assigned [mem 0x8c000a00-0x8c000aff]
    pci 0000:07:00.2: BAR 0: set to [mem 0x8c000a00-0x8c000aff] (PCI address [0x8c000a00-0x8c000aff]
    pci 0000:07:00.2: BAR 1: assigned [mem 0x8c000b00-0x8c000bff]
    pci 0000:07:00.2: BAR 1: set to [mem 0x8c000b00-0x8c000bff] (PCI address [0x8c000b00-0x8c000bff]
    pci 0000:07:00.3: BAR 1: assigned [io 0xac00-0xac7f]
    pci 0000:07:00.3: BAR 1: set to [io 0xac00-0xac7f] (PCI address [0xac00-0xac7f]
    pci 0000:07:00.0: BAR 4: assigned [io 0xac80-0xac9f]
    pci 0000:07:00.0: BAR 4: set to [io 0xac80-0xac9f] (PCI address [0xac80-0xac9f]
    pci 0000:07:00.1: BAR 4: assigned [io 0xaca0-0xacbf]
    pci 0000:07:00.1: BAR 4: set to [io 0xaca0-0xacbf] (PCI address [0xaca0-0xacbf]
    uhci_hcd 0000:07:00.0: enabling device (0000 -> 0003)
    uhci_hcd 0000:07:00.0: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
    uhci_hcd 0000:07:00.0: UHCI Host Controller
    uhci_hcd 0000:07:00.0: new USB bus registered, assigned bus number 3
    uhci_hcd 0000:07:00.0: irq 11, io base 0x0000ac80
    usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
    usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb3: Product: UHCI Host Controller
    usb usb3: Manufacturer: Linux 2.6.33.1 uhci_hcd
    usb usb3: SerialNumber: 0000:07:00.0
    hub 3-0:1.0: USB hub found
    hub 3-0:1.0: 2 ports detected
    uhci_hcd 0000:07:00.1: enabling device (0000 -> 0003)
    uhci_hcd 0000:07:00.1: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
    uhci_hcd 0000:07:00.1: UHCI Host Controller
    uhci_hcd 0000:07:00.1: new USB bus registered, assigned bus number 4
    uhci_hcd 0000:07:00.1: irq 11, io base 0x0000aca0
    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 2.6.33.1 uhci_hcd
    usb usb4: SerialNumber: 0000:07:00.1
    hub 4-0:1.0: USB hub found
    hub 4-0:1.0: 2 ports detected
    ohci1394 0000:07:00.3: enabling device (0080 -> 0083)
    ohci1394 0000:07:00.3: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
    ohci1394 0000:07:00.3: setting latency timer to 64
    ohci1394: fw-host1: OHCI-1394 1.1 (PCI): IRQ=[11] MMIO=[8c000000-8c0007ff] Max Packet=[1024] IR/IT contexts=[4/8]
    ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    Warning! ehci_hcd should always be loaded before uhci_hcd and ohci_hcd, not after
    ehci_hcd 0000:07:00.2: enabling device (0000 -> 0002)
    ehci_hcd 0000:07:00.2: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
    ehci_hcd 0000:07:00.2: EHCI Host Controller
    ehci_hcd 0000:07:00.2: new USB bus registered, assigned bus number 5
    ehci_hcd 0000:07:00.2: irq 11, io mem 0x8c000a00
    ehci_hcd 0000:07:00.2: USB 2.0 started, EHCI 1.00
    usb usb5: New USB device found, idVendor=1d6b, idProduct=0002
    usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb5: Product: EHCI Host Controller
    usb usb5: Manufacturer: Linux 2.6.33.1 ehci_hcd
    usb usb5: SerialNumber: 0000:07:00.2
    hub 5-0:1.0: USB hub found
    hub 5-0:1.0: 4 ports detected
    ieee1394: Host added: ID:BUS[1-00:1023] GUID[00ff06ff00ff30ff]
    usb 3-1: new full speed USB device using uhci_hcd and address 2
    usb 3-1: New USB device found, idVendor=07b4, idProduct=0105
    usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    usb 3-1: Product: C5050Z
    usb 3-1: Manufacturer: OLYMPUS
    usb 3-1: SerialNumber: 000242752403
    usbcore: registered new interface driver libusual
    Initializing USB Mass Storage driver...
    scsi2 : usb-storage 3-1:1.0
    usbcore: registered new interface driver usb-storage
    USB Mass Storage support registered.
    scsi 2:0:0:0: Direct-Access OLYMPUS C5050Z 1.00 PQ: 0 ANSI: 2
    sd 2:0:0:0: Attached scsi generic sg2 type 0
    sd 2:0:0:0: timing out command, waited 180s
    INFO: task async/0:6797 blocked for more than 120 seconds.
    "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
    async/0 D c10184f2 0 6797 2 0x00000000
    de735da4 00000046 de735d9c c10184f2 00000000 d1202a90 7fffffff 7fffffff
    d1202a90 de735dd0 c12f6210 de735db8 c115f617 ce106400 de735dc0 c11ea443
    de735dec 7fffffff de735e88 d1202a90 de735e08 c12f6110 d1202a90 00000000
    Call Trace:
    [<c10184f2>] ? complete+0x1f/0x28
    [<c12f6210>] schedule_timeout+0x17/0x109
    [<c115f617>] ? kobject_put+0x37/0x3c
    [<c11ea443>] ? put_device+0xf/0x11
    [<c12f6110>] wait_for_common+0x96/0xe3
    [<c101a883>] ? default_wake_function+0x0/0xd
    [<c12f61cf>] wait_for_completion+0x12/0x14
    [<c1157ebd>] blk_execute_rq+0x74/0x8b
    [<c1157dc0>] ? blk_end_sync_rq+0x0/0x28
    [<c1153232>] ? elv_set_request+0x12/0x20
    [<c115590d>] ? get_request+0x193/0x208
    [<c115599b>] ? get_request_wait+0x19/0xe8
    [<c11ff29e>] scsi_execute+0xbe/0x101
    [<c11ff333>] scsi_execute_req+0x52/0x7f
    [<c1208f08>] sd_revalidate_disk+0xfe/0x104c
    [<c1020000>] ? sys_gettimeofday+0xa/0x58
    [<c1209f28>] sd_probe_async+0xd2/0x1a7
    [<c102ef5f>] async_thread+0xdc/0x1b3
    [<c101ad10>] ? T.809+0x26/0x57
    [<c101a883>] ? default_wake_function+0x0/0xd
    [<c102ee83>] ? async_thread+0x0/0x1b3
    [<c102a7b5>] kthread+0x5e/0x63
    [<c102a757>] ? kthread+0x0/0x63
    [<c1002bb6>] kernel_thread_helper+0x6/0x10
    sd 2:0:0:0: timing out command, waited 180s
    sd 2:0:0:0: timing out command, waited 180s
    sd 2:0:0:0: [sdb] Unit Not Ready
    sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
    sd 2:0:0:0: [sdb] ASC=0x3e ASCQ=0x1

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