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    SubjectRe: OOPS: USB disconnect

    Hello,

    Greg KH wrote:

    > What USB devices and drivers are you using?

    devices:

    T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
    B: Alloc= 11/900 us ( 1%), #Int= 1, #Iso= 0
    D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
    P: Vendor=0000 ProdID=0000 Rev= 0.00
    S: Product=USB UHCI Root Hub
    S: SerialNumber=d000
    C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
    I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
    E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
    T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 4
    D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
    P: Vendor=058f ProdID=9254 Rev= 1.00
    S: Manufacturer=ALCOR
    S: Product=Generic USB Hub
    C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
    I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
    E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms
    T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
    B: Alloc= 11/900 us ( 1%), #Int= 1, #Iso= 0
    D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
    P: Vendor=0000 ProdID=0000 Rev= 0.00
    S: Product=USB UHCI Root Hub
    S: SerialNumber=d400
    C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
    I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
    E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
    T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
    D: Ver= 1.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs= 1
    P: Vendor=04b8 ProdID=0110 Rev= 1.10
    S: Manufacturer=EPSON
    S: Product=EPSON Scanner
    C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
    I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=usbscanner
    E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
    E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
    T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 5
    D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
    P: Vendor=04cc ProdID=1122 Rev= 1.10
    C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
    I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
    E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms
    T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 4 Spd=12 MxCh= 0
    D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
    P: Vendor=056d ProdID=0002 Rev= 3.86
    S: Manufacturer=EIZO
    S: Product=EIZO USB HID Monitor
    S: SerialNumber=23710050
    C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
    I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=hid
    E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=1ms

    drivers:

    usbfs
    hub
    96-111: hiddev
    hid
    48- 63: usbscanner

    I'm using the "normal" UHCI driver, not the JE one. I believe the
    oops is related to USB HID device support, which I didn't use in 2.5.7
    but enabled for 2.5.8, after which the oops happened.

    > Which USB device did you remove when the oops happened?

    The HID device in question is the Eizo monitor which has a builtin USB
    hub, which disconnects when the monitor is turned off and produces
    the oops.

    Regards,
    Udo.
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