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Re: hdparm and old system



On Thu, Jan 10, 2002 at 02:01:02PM +0000, J.A.Serralheiro wrote:
> > It's a 16450 UART [or something like that]. Hence 1 byte FIFO instead of 
> > 16 byte FIFO.
> > 
> > If the interrupts were unmasked properly then I wouldn't need to get new 
> > hardware... As I said, it works in 2.2.x series...
> > 
> > - Adam
> 
> That, even if you think of replacing the io card, its very likely that you
> dont find 16550A UART's available. I have several, all of diferent
> manufacturers, and none is a 16550; instead they r 16450. 
> Did you check if the interrupts are correctly assigned to the serial
> ports? with irq=0, the serial ports will be pooled instead of relying on
> their irq lines. If you pool with a eavy processor load, characters will

They are set. Running setserial I get the proper config setup. even running irqtune doesn't help...



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