Package: minicom
Version: 2.1-7
I use minicom on a USB-to-serial converter on /dev/ttyUSB0. When the USB
device gets pulled out of the PC, minicom starts eating CPU time. An
strace shows:
ioctl(3, TIOCMGET, [TIOCM_DTR|TIOCM_RTS]) = 0
select(4, [0 3], NULL, NULL, {1, 0}) = 1 (in [3], left {0, 779000})
read(3, "", 127) = 0
ioctl(3, TIOCMGET, [0]) = -1 EIO (Input/output error)
select(4, [0 3], NULL, NULL, {1, 0}) = 1 (in [3], left {1, 0})
read(3, "", 127) = 0
ioctl(3, TIOCMGET, [0]) = -1 EIO (Input/output error)
select(4, [0 3], NULL, NULL, {1, 0}) = 1 (in [3], left {1, 0})
read(3, "", 127) = 0
...etc...
I know that it's not very smart to pull out the device when it's in use,
but I think minicom should handle it a little better... there are clear
signs the serial port is no longer in the land of the living.
Eric
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