Libusb error

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Brian Johansen

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Jan 2, 2025, 5:52:27 PMJan 2
to dv-users
I have a stability problem with my DAVIS346 mono and DV software.
After a couple of minutes or hours i get this error:

USB libusb: error [windows_submit_transfer] program assertion failed - transfer HANDLE is NULL after transfer was submitted 
several times and finally my maximzied output window freezes and wont display the events from the camera, the DV software is still running in the back.
Im running datamode events only.
Davsi346 Firmware is updated, windows is updated, USB driver updated, Java updated.
Im running the DV software on a Win 11 home, 3ghz 1Tb, 16Gb ram blackview mini PC.

What can i do to make it more stable?

Luca Longinotti

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Jan 6, 2025, 3:06:05 PMJan 6
to dv-u...@googlegroups.com
Hello, it seems you are hitting the following, known libusb bug:
We've also seen this on some Windows system in the past.
Sadly there's nothing to be done other than waiting for the libusb library to fix this.
We generally recommend using Linux as it's a more stable and performant platform for our cameras.
-- 
Luca Longinotti (llongi)

Senior Software Engineer
iniVation AG - https://inivation.com/
A SynSense Group company
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