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    SubjectRe: 2.6.20-rc4: usb somehow broken
    Date
    Am Sonntag 14 Januar 2007 10:28 schrieb Oliver Neukum:
    > Am Sonntag, 14. Januar 2007 10:08 schrieb Prakash Punnoor:
    > > Am Donnerstag 11 Januar 2007 18:28 schrieb Oliver Neukum:
    > > > Am Donnerstag, 11. Januar 2007 18:20 schrieb Prakash Punnoor:
    > > > > Hi,
    > > > >
    > > > > I can't scan anymore. :-( I don't know which rc kernel introduced it,
    > > > > but this are the messages I get (w/o touching the device/usb cable
    > > > > except pluggin it in for the first time):
    > > > >
    > > > > usb 1-1.2: new full speed USB device using ehci_hcd and address 4
    > > > > ehci_hcd 0000:00:0b.1: qh ffff81007bc6c280 (#00) state 4
    > > > > usb 1-1.2: configuration #1 chosen from 1 choice
    > > > > usb 1-1.2: USB disconnect, address 4
    > > > > usb 1-1.2: new full speed USB device using ehci_hcd and address 5
    > > > > usb 1-1.2: configuration #1 chosen from 1 choice
    > > > > usb 1-1.2: USB disconnect, address 5
    > > > > usb 1-1.2: new full speed USB device using ehci_hcd and address 6
    > > > > usb 1-1.2: configuration #1 chosen from 1 choice
    > > > > usb 1-1.2: USB disconnect, address 6
    > > > > usb 1-1.2: new full speed USB device using ehci_hcd and address 7
    > > > > usb 1-1.2: configuration #1 chosen from 1 choice
    > > > > usb 1-1.2: USB disconnect, address 7
    > > > > usb 1-1.2: new full speed USB device using ehci_hcd and address 8
    > > > > usb 1-1.2: configuration #1 chosen from 1 choice
    >
    > [..]
    >
    > > Hi, I did more tests and I was wrong about "broken". It seems more a
    > > time-out problem, ie if I try to use sane again in short intervalls, I
    > > will get my device working. The cause seems CONFIG_USB_SUSPEND=y. With
    > > 2.6.20-rc5 the
    >
    > Have you confirmed that by using a kernel without CONFIG_USB_SUSPEND ?

    Yes. I compiled the modules with various settings, reloaded the modules and
    above option made the difference. I also don't get the disconnect mesages, as
    well, w/o USB_SUSPEND.

    Cheers,
    --
    (°= =°)
    //\ Prakash Punnoor /\\
    V_/ \_V
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