Citeren Arjen de Korte <[email protected]>:
Any ideas? The libusb support in 6.x is pretty crappy so maybe it's
that :(
If it is very slow in timing out on the USB communication, that
could be a problem. The following worries me:
1.272355 upsdrv_updateinfo...
30.839759 file_report_buffer: expected 4 bytes, but got 128!
This means the HIDGetEvents() functions takes almost 30 seconds to
return, where we expect it to return almost immediately. This means
the interrupt pipeline is not being handled correctly. Since the
driver stalls so long here, the server will give up on it. My first
suggestion would be to check if upgrading libusb helps, possibly by
trying it out on a more recent OS.
If the latter isn't feasible, you can also checkout the latest version
from the SVN trunk and add the 'pollonly' flag to ups.conf. This will
make the driver ignore the interrupt pipe, hopefully working around
this problem.
Best regards, Arjen
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