Hi guys,
I recently got a zd1211 based usb stick. It worked like a charm, until the network was lost suddenly. Trying to unload the module results in rmmod waiting for the device and actually unplugging the device doesn't help either. The only way to go is reboot, after which the stick works fine again, for some time. The device is a Canyon CN-WF518.


here's the syslog:
Apr 4 19:58:41 localhost dhclient: DHCPREQUEST on wlan0 to 255.255.255.255 port 67
Apr  4 19:58:41 localhost dhclient: DHCPACK from 192.168.1.1
Apr 4 19:58:41 localhost dhclient: bound to 192.168.1.249 -- renewal in 231 seconds.
Apr  4 19:58:54 localhost kernel: usb 1-2: USB disconnect, address 2
Apr 4 19:58:55 localhost kernel: error in tx submit urb: -19<7>zd1211:USB ST Code = -19
Apr  4 19:58:57 localhost last message repeated 3 times
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr 4 19:58:59 localhost kernel: 1211_readl failed for 5 attempts...Very Serious<3>zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211_writel failed for 5 attempts
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr 4 19:58:59 localhost kernel: 1211_readl failed for 5 attempts...Very Serious<3>zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19
Apr  4 19:58:59 localhost kernel: zd1211: failed reg_urb
Apr  4 19:58:59 localhost kernel: zd1211:USB ST Code = -19

Hope somebody can help me figure out what's going wrong...

thanks,
Daniel


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