Intel D2500CC motherboard and strange RS232/UART behavior

Lev Serebryakov lev at FreeBSD.org
Mon Apr 8 07:31:40 UTC 2013


Hello, Poul-Henning.
You wrote 8 апреля 2013 г., 0:15:01:

>>It  doesn't  look  so.  And  uart1  and  uart3  doesn't have interrupt
>>according to `vmstat -i' (but share irq4 according to boot messages).
PHK> Ohh, there you go...
  I'll try to turn off uart2 and uart3 in BIOS and give different IRQs
 to uart0 and uart1. Fortunately, I don't need ALL of them.

PHK> Interrupt sharing on ISA requires special magic...
  But it will be nice to fix this, and I could provide any informaton
  and debugging I can, but I need to know hwere to start.



-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>



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