Balluff MATRIX VISION mvBlueNAOS Technical Manual page 111

1.16 Troubleshooting
-2137 DEV_REQUEST_
ALREADY_IN_USE
-2138 DEV_REQUEST_
BUFFER_INVALID
-2139 DEV_REQUEST_
BUFFER_MISALIGNED
-2140 DEV_ACCESS_DENIED
MATRIX VISION GmbH
This request is currently
used by the driver.
A request has been config-
ured to use a user supplied
buffer, but the buffer pointer
associated with the request
is invalid.
A request has been config-
ured to use a user supplied
buffer, but the buffer pointer
associated with the request
has an incorrect alignment.
The requested access to a
device could not be granted.
This error may occur if the
user tries to send a certain
request object to the driver
by a call to the correspond-
ing image request function.
1.10.31
[-2137]
1.10.31
[-2138]
Certain devices need
aligned memory to perform
efficiently thus when
user supplied buffer shall
be used to capture data
into this buffer must follow
these alignment constraints
1.10.31
[-2139]
There are multiple reasons
for this error code. Detailed
information can be found
in the .log-file. POSSI-
BLE CAUSES: an applica-
tion tries to access a de-
vice exclusively that is al-
ready open in another pro-
cess
a network device has al-
ready been opened with
control access from another
system and the current sys-
tem also tries to establish
control access to the device
an application tried to exe-
cute a function that is cur-
rently not available
an application tries to write
to a read-only location. 1.
10.39
[-2140]
103
a