TP-LINK TL-WN821N

[Kevin Lo]

On Sun, Aug 24, 2014 at 06:01:20PM +0200, Carlos Jacobo Puga Medina wrote:
> 
> Hi Kevin,

Hi,

Sorry for the late response.

> Sometimes my wireless device fails to connect at boot, and I need to restart the system. Also it states that the device is not configured.
> 
> /boot/loader.conf
> if_urtwn_load="YES"
> legal.realtek.license_ack=1

You might add the following lines to /boot/loader.conf:

urtwn-rtl8192cfwT_load="YES"
urtwn-rtl8192cfwU_load="YES"

> It shows the following output:
> 
> urtwn0: timeout waiting for checksum report
> 
> Any thoughts?

I thought this problem was fixed in r263154, but apparently not.
Could you try this patch?  Thanks

Index: sys/dev/usb/wlan/if_urtwn.c
===================================================================
--- sys/dev/usb/wlan/if_urtwn.c	(revision 271297)
+++ sys/dev/usb/wlan/if_urtwn.c	(working copy)
@@ -2280,8 +2280,6 @@ urtwn_fw_reset(struct urtwn_softc *sc)
 			return;
 		urtwn_ms_delay(sc);
 	}
-	/* Force 8051 reset. */
-	urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN);
 }
 
 static void