Hello,
with VISA 5.1.1. I am sometimes running into the problem that viWrite returns with error VI_ERROR_CONN_LOST (0xBFFF00A6). This happens only after our application was running for several hours without problems and in the following situation:
- There is a VXI-11 session open to a device. I want to reboot this device and therefore send a remote command.
- Immediately after sending the command, I close the session
- I wait some fixed time until the device is up and running again
- I call viOpen with the same resource descriptor. This call returns without error.
- The next viWrite comes back with the above mentioned error code
I wonder whether our application is consuming some critical resources (memory, handles???) which may cause the problem. The problem is not always reproducible, sometimes the re-attach after reboot is working, but as soon as the error occurs the first time, it is never possible to re-attach successfully - until I restart our application.
Has anybody an idea what may cause this behavior?
Michael
