On Mon, 26 Dec 2011, feng wind wrote: > Hi Alan, > > Firstly thanks for your advice. After disabling usb-storage, the test with > my usb disk can be passed. But I do the same test with a bluetooth device, > test9 and test19 failed. The log is as below. > > root@imx:/usb-test> ./testusb -D /proc/bus/usb/001/005 > ./testusb: /proc/bus/usb/001/005 may see only control tests > /proc/bus/usb/001/005 test 0, 0.000031 secs > /proc/bus/usb/001/005 test 9, 14.030392 secs > /proc/bus/usb/001/005 test 10 --> 32 (Broken pipe) This shows that test 10 failed, not tests 9 and 19. > dmesg: > ====== > > usbtest 1-1:1.0: TEST 0: NOP > usbtest 1-1:1.0: TEST 9: ch9 (subset) control tests, 1000 times > usbtest 1-1:1.0: TEST 10: queue 32 control calls, 1000 times > usbtest 1-1:1.0: subtest 9 error, status -32 > usbtest 1-1:1.0: control queue 82.00, err -32, 31990 left, subcase 9, len > 0/2 The part of test 10 that failed was subtest 9, which issues Get-Endpoint-Status requests for endpoint 0. Failure of this subtest means that your bluetooth device is not fully USB-compliant. > Could you give me some suggestion! Suggestion for what? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
