6.4 Common mistakes made re low-level configuring
Here are some common mistakes people make:
- setserial command: They run it (without the "autoconfig" and auto_irq options) and think it has checked the hardware to see if what it shows is correct (it hasn't).
- setserial messages: They see them displayed on the screen at boot-time (or by giving the setserial command) and erroneously think that the result always shows how their hardware is actually configured.
- /proc/interrupts: When their serial device isn't in use they don't see its interrupt there, and erroneously conclude that their serial port can't be found (or doesn't have an interrupt set).
- /proc/ioports and /proc/tty/driver/serial: People think this shows the actual hardware configuration when it only shows about the same info (possibly erroneous) as setserial.
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