Messages in this thread | | | Date | Thu, 26 Jul 2007 17:31:21 +0100 | From | Alan Cox <> | Subject | Re: serial flow control appears broken |
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> Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing enabled > ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A > > It's a Shuttle HOT-661 motherboard (VIA Apollo Pro Plus mainboard > chipset). Both FreeBSD and Linux identify the serial chipset type as > 16550A.
So you've got 16bytes of buffering. That ought to be enough on a modern PC. The older kernels use quite limited internal buffers which may be a factor, the current ones have a rewritten tty buffering layer which may improve matters enormously.
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