Unnecessary rant - Was: Re: USB networking in Ubuntu

[Richard Cooke]

arne anka wrote:
> 
> 
> 
> fr is plugged in and powered on? no suspend?
> if so, unplug it from the host pc, open a konsole/shell and do
> 
> sudo tail -f /var/log/syslog
> 
> have a look at the shell and plug in the fr again.
> any messages?
> there was a bug in one of the last u-boots, that broke about 50% of usb  
> connections -- rebooting (the fr or the pc, couldn't figure out which, try  
> fr first) is supposed to help.
> the lattest u-boots are supposed to fix that.
> 
> 

Thank you for your quick response. On unplugging and replugging the FR there
is no output to the syslog. However, on powering dwon the device with USB
cable still in place I get the following:

Aug  6 11:25:35 ubuntu kernel: [  926.474693] usb 3-1: new full speed USB
device using uhci_hcd and address 2
Aug  6 11:25:35 ubuntu kernel: [  926.562782] usb 3-1: configuration #1
chosen from 2 choices
Aug  6 11:25:35 ubuntu NetworkManager: <debug> [1218018335.868663]
nm_hal_device_added(): New device added (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000'). 
Aug  6 11:25:36 ubuntu NetworkManager: <debug> [1218018336.112435]
nm_hal_device_added(): New device added (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if1'). 
Aug  6 11:25:36 ubuntu NetworkManager: <debug> [1218018336.170411]
nm_hal_device_added(): New device added (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if2'). 
Aug  6 11:25:36 ubuntu kernel: [  926.860793]
/build/buildd/linux-2.6.24/drivers/usb/class/cdc-acm.c: This device cannot
do calls on its own. It is no modem.
Aug  6 11:25:36 ubuntu kernel: [  926.860809] cdc_acm 3-1:1.0: ttyACM0: USB
ACM device
Aug  6 11:25:36 ubuntu kernel: [  926.863512] usbcore: registered new
interface driver cdc_acm
Aug  6 11:25:36 ubuntu kernel: [  926.863518]
/build/buildd/linux-2.6.24/drivers/usb/class/cdc-acm.c: v0.25:USB Abstract
Control Model driver for USB modems and ISDN adapters
Aug  6 11:25:36 ubuntu NetworkManager: <debug> [1218018336.245188]
nm_hal_device_added(): New device added (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if0'). 
Aug  6 11:25:36 ubuntu NetworkManager: <debug> [1218018336.249447]
nm_hal_device_added(): New device added (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if0_serial_unknown_0'). 
Aug  6 11:25:41 ubuntu kernel: [  930.561583] usb 3-1: USB disconnect,
address 2
Aug  6 11:25:42 ubuntu NetworkManager: <debug> [1218018341.691683]
nm_hal_device_removed(): Device removed (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if0_serial_unknown_0'). 
Aug  6 11:25:42 ubuntu NetworkManager: <debug> [1218018341.696906]
nm_hal_device_removed(): Device removed (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if0'). 
Aug  6 11:25:42 ubuntu NetworkManager: <debug> [1218018341.705605]
nm_hal_device_removed(): Device removed (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if1'). 
Aug  6 11:25:42 ubuntu NetworkManager: <debug> [1218018341.710502]
nm_hal_device_removed(): Device removed (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000_if2'). 
Aug  6 11:25:42 ubuntu NetworkManager: <debug> [1218018341.719457]
nm_hal_device_removed(): Device removed (hal udi is
'/org/freedesktop/Hal/devices/usb_device_1d50_5119_0000000'). 

It seems the device is detected just as it is powering down.
-- 
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