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02-07-2013 05:36 AM
02-07-2013 05:36 AM
Problems with an USB-drive
I have a problem with an USB-drive:
If I plug in the USB-cable if the system is up then the drive is recognized and the dndriver is loaded,
but if I reboot the machine and the USB-drive is still switch on the drive gets a different unit number
and is marked as offline in the "show device dna" command.
I ran several test and I'm sure that the EHCIDRIVER makes these problem. If I'm using the (slow) USB 1.1
driver and disable the EHDRIVER the drive is online after a reboot.
I made some investigations and I have found an indicator where the driver goes wrong.
If you add a new USB-drive the data are stored in a file named sys$specific:[sysexe]USB$UCM_DEVICES.DAT.
I see two entries for the same drive. The only difference are two lines. The PATH and the SERIAL_NUMBER are different:
OK:
PATH = 4.0.0.0.0.0
SERIAL_NUMBER = PROLIFICMP0000000FC
WRONG (OFFLINE)
PATH = 2.0.0.0.0.0
SERIAL_NUMBER = PROLIFICMP0000000FC0
^
that's the strange character!!!
I explain this as follows: if the USB-system starts the SERIAL_NUMBER is evaluated wrong and then it tries to load the dndriver and finds a different SERIAL_NUMBER (without the 0 at the end). There is no chance to cure this problem. An unplug and plug in process does not chance the status of the drive. A restart of the UCM-server process has no effect, too.
I did not try to use analyse/system to get rid off a wrong entrance of the dn-device (if this is possible after all).
I am very thankful for any ideas who to solve this problem!
thanks
Eberhard
======================================
DEVICE = "USB Mass storage "
NAME = DNA
DRIVER = SYS$DNDRIVER.EXE
BEGIN_PRIVATE
USB_CONFIG_TYPE = INTERFACE
UNIT_NUMBER = 18
VENDOR_ID = 1659
PRODUCT_ID = 10097
RELEASE_NUMBER = 256
BUS_NUMBER = 1
PATH = 2.0.0.0.0.0
DEVICE_CLASS = 0
DEVICE_SUB_CLASS = 0
DEVICE_PROTOCOL = 0
NUMBER_OF_INTERFACES = 1
CONFIGURATION_VALUE = 1
NUMBER_OF_CONFIGURATIONS = 1
SERIAL_NUMBER = PROLIFICMP0000000FC0
MANUFACTURER_STRING = Prolific Technology Inc.
PRODUCT_STRING = USB-SATA Bridge
CONFIGURATION_NUMBER = 0
BEGIN_INTERFACE
INTERFACE_CLASS = 8
INTERFACE_SUB_CLASS = 6
INTERFACE_PROTOCOL = 80
END_INTERFACE
END_PRIVATE
END_DEVICE
DEVICE = "USB Mass storage "
NAME = DNA
DRIVER = SYS$DNDRIVER.EXE
BEGIN_PRIVATE
USB_CONFIG_TYPE = INTERFACE
UNIT_NUMBER = 19
VENDOR_ID = 1659
PRODUCT_ID = 10097
RELEASE_NUMBER = 256
BUS_NUMBER = 2
PATH = 4.0.0.0.0.0
DEVICE_CLASS = 0
DEVICE_SUB_CLASS = 0
DEVICE_PROTOCOL = 0
NUMBER_OF_INTERFACES = 1
CONFIGURATION_VALUE = 1
NUMBER_OF_CONFIGURATIONS = 1
SERIAL_NUMBER = PROLIFICMP0000000FC
MANUFACTURER_STRING = Prolific Technology Inc.
PRODUCT_STRING = USB-SATA Bridge
CONFIGURATION_NUMBER = 0
BEGIN_INTERFACE
INTERFACE_CLASS = 8
INTERFACE_SUB_CLASS = 6
INTERFACE_PROTOCOL = 80
END_INTERFACE
END_PRIVATE
END_DEVICE
==============================================
- Tags:
- usb
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02-07-2013 06:46 AM
02-07-2013 06:46 AM
Re: Problems with an USB-drive
can you supply us with your OpenVMS version and patch status?
PROD SHOW PROD VMS/FULL would be handy!
Thanks
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02-07-2013 06:50 AM
02-07-2013 06:50 AM
Re: Problems with an USB-drive
OpenVMS 8.4 + all patches
eberhard
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02-08-2013 03:03 PM
02-08-2013 03:03 PM
Re: Problems with an USB-drive
That doesn't actually look like all patches. Specifically, VMS84I_USB-V0100 has not been included in any update kit yet according to the master ECO list, and I don't see it in your list of what you've installed. The release notes for the USB patch don't describe anything about USB-attached storage, but it might be worth a try anyway.
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02-09-2013 02:33 AM
02-09-2013 02:33 AM
Re: Problems with an USB-drive
I have another machine with this USB-patch installed. The problem still exists.
Eberhard