Increased line-length / MTU results in hang #8
Description
For my setup with macOS 12.6.5, I get a hang if I try the -m 4096 -l 8192 increased buffer settings:
$ mcumgr-client -t 60 -m 4096 -l 8192 upload ext-flash-slot3.bin
mcumgr-client 0.0.2, Copyright © 2023 Vouch.io LLC
19:30:54 [INFO] One bootloader device found, setting device to: /dev/cu.usbmodem14301
19:30:54 [INFO] upload file: ext-flash-slot3.bin
19:30:54 [INFO] flashing to slot 3
19:30:54 [INFO] 22003712 bytes to transfer
with the above it just sits there.
$ uname -a
Darwin Mike-MacBook-Pro.local 21.6.0 Darwin Kernel Version 21.6.0: Thu Mar 9 20:08:59 PST 2023; root:xnu-8020.240.18.700.8~1/RELEASE_X86_64 x86_64