in reply to Re: Really Odd Bug With LWP and Device::SerialPort
in thread Really Odd Bug With LWP and Device::SerialPort

Makes sense, though it's odd that if I use Device::Serial port on a linux box instead, I get basically the same bug. No Win32 errors, of course, but nothing goes out the serial port. Device::SerialPort and Win32::SerialPort only share a common outside interface...the code itself is quite different.
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Re^3: Really Odd Bug With LWP and Device::SerialPort
by Anonymous Monk on Oct 01, 2013 at 05:55 UTC
    I see this issues on strawberry perl 5.16.2.1 and Win32::API::CommPort 0.20 and Perl Tk both with a separate thread for comms and without it. Error manifests only on certain writes (not always) and solution described in the first post does fix the problem. This definitely requires a fix, as it costs days to debug... And probably is relevant to many people not being vocal...