Re: Serial: bug in 8250.c when handling PCI or other level triggers

[Meelis Roos]

AC> The receive_chars function is designed to handle the case where the port
AC> is jammed full on by aborting after 256 characters in one IRQ.
AC> Unfortunately the author of this code forgot that some systems are level
AC> triggered. On these systems the IRQ simply gets invoked again and the
AC> count loop just makes the problem take longer to clear.

Could this be connected wiht the massive amount of these messages when I
use minicom on a PC to see another computers serial console?

serial8250: too much work for irq4

I've seen this on different PC-s, PIIX3+K6 and ICH2+Celeron are the
last ones that I certainly remember behaving like this.

-- 
Meelis Roos
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