Matthieu CASTET wrote:
> I wonder why the device disconnect like (I didn't do anything special) and
> why the driver doesn't see that the device is not here.

I'm pretty sure the disconnect is caused by the device firmware bug. 
ZyDAS haven't fixed this yet. Nevertheless the LED-related hang 
(infinite loop) that you saw after the disconnect is/was a driver bug.

> PS : I use the snapshot driver with 2.6.18

Which snapshot date?

> [1]
> Sep 22 18:03:55 localhost kernel: usb 4-2: USB disconnect, address 2
> Sep 22 18:03:56 localhost kernel: zd1211rw 4-2:1.0: zd_chip_control_leds 
> error -
> 19
> Sep 22 18:04:27 localhost last message repeated 31 times
> Sep 22 18:05:28 localhost last message repeated 61 times
> Sep 22 18:06:29 localhost last message repeated 61 times

Looks like the housekeeping work functions rescheduled themselves after 
the disconnect. There was a possible race where this might have happened 
for a short time, but it is believed to be fixed now. So this all 
depends on the date of your snapshot.

Daniel

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