Thread: USB woes... is ehci_hcd loaded?
it seems can't plug usb device without complete system freeze. in fact have tried pen-drive , sata-2-usb hdd. considering reporting in launchpad realize can't describe issue enough. when check output of dmesg, can see usual references ehci_hcd modules , other usb drivers when check output of lsmod module usb related loaded usbhid driver. write in hope of getting clearer picture of going on in system before report bug in launchpad... dmesg output: code: [ 0.000000] initializing cgroup subsys cpuset [ 0.000000] initializing cgroup subsys cpu [ 0.000000] linux version 2.6.31-16-generic (buildd@crested) (gcc version 4.4.1 (ubuntu 4.4.1-4ubuntu8) ) #53-ubuntu smp tue dec 8 04:02:15 utc 2009 (ubuntu 2.6.31-16.53-generic) [ 0.000000] command line: boot_image=/boot/vmlinuz-2.6.31-16-generic root=uuid=830ad851-fb14-4b99-bd80-250dac1218da ro quiet splash [ 0.000000] kernel supported cpus: [ 0.000000] intel genuineintel [ 0.000000]...