On Sun, 22 Jan 2006, Igor Yakushin wrote:
> I believe, I never showed dmesg output with CONFIG_USB_DEBUG flag
> enabled when USB is inserted and cannot get mounted. The file is
> attached. Once USB device failed to mount, it is always hopeless to try
> to insert it again in this or another port (I have 4) until the computer
> is rebooted. After that it might or might not work again for a while.
Yes; this line in particular is very suspicious-looking:
usb 1-1: khubd timed out on ep0in len=18/64
It indicates the ehci-hcd driver is having trouble with the EHCI
hardware.
> > There have been some changes to the ehci-hcd driver posted recently. You
> > could try this one and see if it helps at all:
> >
> > http://marc.theaimsgroup.com/?l=linux-usb-devel&m=113780678524619&w=2
> >
> >
>
> I am not quite sure yet since I have not done enough testing but at first
> glance it looks like
> this patch helps.
That patch might indeed affect the code paths involved in the error above.
Alan Stern
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