USB无线网卡DTM测试问题

我在进行WLAN 802.11中USB设备测试的时候USB Control Request 测试项失败，大家帮我分析一下，已经搞了好几天了，测试环境是没有问题的，因为我用同样的测试环境测试通过徽标认证的网卡成功了，我现在想知道大概是固件的什么地方可能出错了，谢谢。


Runtime 5-15-2008 4:22:30.405 下午 _  
Runtime Index:   4202226751
Machine:   TEST02
Process Name:   C:\WTT\JobsWorkingDir\Tasks\WTTJobRun7CC1AA8C-6510-4C4A-B08A-3D30B3C2F418\usbhct.exe
Process ID:   420
Thread ID:   476
Context _  _  
Context Index:   384048256
Current:   WTTLOG
Parent:   ROOT
Computer 5-15-2008 4:22:30.405 下午 _  
OS:   Microsoft Windows XP
Version:   5.1.2600.00 x86 Service Pack 2
Language:   Chinese (Simplified) (REDMOND)
Build String:   xpsp_sp2_qfe-070227-2300
Context _  _  
Context Index:   3676974693
Current:   USB HCT Control Request Test 1.1
Parent:   WTTLOG
Start Test 5-15-2008 4:22:30.405 下午 USB HCT Control Request Test 1.1
Message 5-15-2008 4:22:30.405 下午 Beginning Control Request, USB device VID: 11E2 PID: 494E
 
Message 5-15-2008 4:22:30.405 下午 Assertion 9.23.10: Bus Initialization
Message 5-15-2008 4:22:30.405 下午 Assertion 9.23.10:
Message 5-15-2008 4:22:30.405 下午 Assertion 9.23.10: Ends
Message 5-15-2008 4:22:30.405 下午 Assertion 9.23.11: Device Initialization
Message 5-15-2008 4:22:31.405 下午 Querying for initial device information
Message 5-15-2008 4:22:31.405 下午 Resetting device's upstream port
Message 5-15-2008 4:22:32.405 下午 Device is running at Full speed.  
Message 5-15-2008 4:22:32.405 下午 Using default MaxPacketSize of 64 bytes
Message 5-15-2008 4:22:32.405 下午 Requesting device descriptor
Message 5-15-2008 4:22:32.405 下午 Using real max packet size of 1 bytes
Message 5-15-2008 4:22:32.405 下午 Initial device descriptor successfully retrieved
Message 5-15-2008 4:22:32.405 下午 Requesting configuration descriptor
Error 5-15-2008 4:22:32.405 下午 Failed to get full descriptor. Requested 256 bytes from the device. Device returned 256 bytes. Descriptor length indicates the descriptor has 0 bytes
File:   d:\4148t\testsrc\driverstest\usb\usbhct\testcmn.cpp Line: 490
Error Type:   BOOL
Error Code:   0x0
Error Text:   Error 0x00000000
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 00 00 00 00 00 00 00 00  
Message 5-15-2008 4:22:32.405 下午 Assertion 9.23.11:
Message 5-15-2008 4:22:32.405 下午 Assertion 9.23.11: Ends
Message 5-15-2008 4:22:32.405 下午 Ending Control Request End Test 5-15-2008 4:22:32.405 下午 USB HCT Control Request Test 1.1
Result:   Fail
Repro:   C:\WTT\JobsWorkingDir\Tasks\WTTJobRun7CC1AA8C-6510-4C4A-B08A-3D30B3C2F418\usbhct.exe /494E  
Pass/Fail Result Rollup Counts 5-15-2008 4:22:32.405 下午 _  
Total:   1
Passed:   0
Failed:   1
Blocked:   0
Warned:   0
Skipped:   0
SecureLog _  _