seriove porty

[Jindra Fucik]

----- Original Message ----- 
> 1) da se nejak na FreeBSD zjistit zbloudile IRQ? Predstavuju si, ze do 
> portu
> pripojim zarizeni, ktere bude porad neco posilat a tim padem bude port
> generovat IRQ - pochopitelne jine, nez system ocekava. Nicmene 
> predpokladam,
> ze system ma prehled o vsech irq a tim padem musi vedet, na ktere nema
> handler. Otazka zni, jestli se daji nejak zjistit? Nebo jich musim udelat
> opravdu hodne a sledovat je v "systat -v"???

A-ha, na prvni otazku si castecne odpovim sam, stacilo chvili RTFM:
 vmstat -i
Tim se ale problem presouva do jine roviny. Podle systemu prichazi preruseni 
IRQ9 - to odpovida i moji dokumentaci. nicmene proc si system mysli, ze na 
irq9 sedi zarizeni acpi0 a ne pozadovane sio3 ????

wifi# vmstat -i
interrupt                          total       rate
irq1: atkbd0                           6          0
irq3: sio0                        559363        395
irq4: sio1                            40          0
irq9: acpi0                     67363653      47573
irq17: bktr0                        1110          0
irq20: atapci0                      2142          1
irq21: uhci0 uhci*                     1          0
irq23: vr0                          1811          1
cpu0: timer                      2831053       1999
Total                           70759179      49971

wifi# grep sio.3 /boot/device.hints
hint.sio.3.at="isa"
#hint.sio.3.disabled="1"
hint.sio.3.port="0x2E8"
hint.sio.3.irq="9"

wifi# dmesg | grep sio3
sio3: configured irq 9 not in bitmap of probed irqs 0
sio3: port may not be enabled
sio3 at port 0x2e8-0x2ef irq 9 on isa0
sio3: type 16550A

wifi# dmesg | grep acpi0
acpi0: <P4M80P AWRDACPI> on motherboard
acpi0: Power Button (fixed)
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
acpi_tz0: <Thermal Zone> on acpi0
speaker0: <PC speaker> port 0x61 on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0