Ubuntu
linux-source-2.6.22 package

  1. Bug #88746 (ehci-hcd)
  2. Comment #132

Comment 132 for bug 88746

Revision history for this message
808y (808y) wrote : Re: USB devices are not recognized when having ehci_hcd modprobed

after i did echo -n -1 > /sys/module/usbcore/parameters/autosuspend it was better, i got less messages if the kind
Oct 11 15:12:38 hermann-server kernel: [ 1226.568000] usb 3-1: new high speed USB device using ehci_hcd and address 6
Oct 11 15:12:43 hermann-server kernel: [ 1231.588000] usb 3-1: device descriptor read/8, error -110
Oct 11 15:12:48 hermann-server kernel: [ 1236.708000] usb 3-1: device descriptor read/8, error -110

but after coping 150MB the disc was "unsavely unmounted" :) , so it still exist for me even after
after i did echo -n -1 > /sys/module/usbcore/parameters/autosuspend .

a modprobe -r ehci_hcd is still the one and only thing what works for me, to ensure that my usb2.0 hdd works. But thats a problem 500GB with usb1.1 ...