device reset

[Mike Tancsa]

I am having periodic problems with the odd u3g device that gets hung.
If I try and reset it, it totally locks up and I need to do a reboot of
the box the recover. Apart from usbconfig reset are is there anything
else I can do to recover from such a situation ?


 usbconfig -d 1.3 dump_info
ugen1.3: <ZTE CDMA Technologies MSM ZTE, Incorporated> at usbus1, cfg=0
md=HOST spd=HIGH (480Mbps) pwr=ON


usbconfig -d 1.3 dump_all_config_desc
ugen1.3: <ZTE CDMA Technologies MSM ZTE, Incorporated> at usbus1, cfg=0
md=HOST spd=HIGH (480Mbps) pwr=ON


 Configuration index 0

    bLength = 0x0009
    bDescriptorType = 0x0002
    wTotalLength = 0x0100
    bNumInterfaces = 0x0004
    bConfigurationValue = 0x0001
    iConfiguration = 0x0000  <no string>
    bmAttributes = 0x00a0
    bMaxPower = 0x00fa

    Interface 0
      bLength = 0x0009
      bDescriptorType = 0x0004
      bInterfaceNumber = 0x0000
      bAlternateSetting = 0x0000
      bNumEndpoints = 0x0000
      bInterfaceClass = 0x00ff
      bInterfaceSubClass = 0x00ff
      bInterfaceProtocol = 0x00ff
      iInterface = 0x0000  <no string>

      Additional Descriptor

      bLength = 0x05

dmesg shows at bootup time


ugen0.2: <APC> at usbus0
ugen1.3: <ZTE, Incorporated> at usbus1
ugen1.3: <ZTE, Incorporated> at usbus1 (disconnected)
ugen1.3: <ZTE, Incorporated> at usbus1
u3g0: <ZTE, Incorporated ZTE CDMA Technologies MSM, class 0/0, rev
2.00/0.00, addr 3> on usbus1
u3g0: Found 1 port.
umass0: <ZTE, Incorporated ZTE CDMA Technologies MSM, class 0/0, rev
2.00/0.00, addr 3> on usbus1
umass0:  SCSI over Bulk-Only; quirks = 0x0000
umass0:0:0:-1: Attached to scbus0
(probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
(probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
(probe0:umass-sim0:0:0:0): SCSI status: Check Condition
(probe0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not
present)
da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
da0: <ZTE MMC Storage 322> Removable Direct Access SCSI-2 device
da0: 40.000MB/s transfers
da0: Attempt to query device size failed: NOT READY, Medium not present


if I do a usbconfig -d 1.3 reset
I get

u3g0: at uhub1, port 1, addr 3 (disconnected)
umass0: at uhub1, port 1, addr 3 (disconnected)
(da0:umass-sim0:0:0:0): lost device
(da0:umass-sim0:0:0:0): removing device entry
usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_TIMEOUT,
ignored)
usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_TIMEOUT,
ignored)


I have also tried post reset
# usbconfig -d 1.3 set_config 255
# usbconfig -d 1.3 set_config 0
usbconfig: could not set config index: Input/output error
#


This is RELENG_8 on an alix box from July 14th.



-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/