Date: Fri, 20 Apr 2007 16:21:03 GMT From: Stefan Lambrev<stefa.lambrev@sun-fish.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/111958: sio0: port may not be enabled Message-ID: <200704201621.l3KGL3Pr053101@www.freebsd.org> Resent-Message-ID: <200704201630.l3KGU4ed029957@freefall.freebsd.org>
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>Number: 111958 >Category: kern >Synopsis: sio0: port may not be enabled >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Apr 20 16:30:03 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Stefan Lambrev >Release: FreeBSD 6.2-STABLE >Organization: >Environment: FreeBSD hater.cmotd.com 6.2-STABLE FreeBSD 6.2-STABLE #4: Mon Mar 12 16:39:25 EET 2007 root@hater.cmotd.com:/usr/obj/usr/src/sys/CORE64-SMP amd64 >Description: Serial port does not work : from dmesg: sio0: configured irq 4 not in bitmap of probed irqs 0 sio0: port may not be enabled sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sio0: type 16550A I thought it can be a problem because of shared IRQs .. but vmstat -i shows this: % vmstat -i interrupt total rate irq4: sio0 7 0 irq15: ata1 69 0 irq20: atapci0 3783 15 irq21: uhci0 uhci* 2 0 cpu0: timer 491698 1990 Total 495559 2006 from /boot/device.hints : hint.sio.0.at="isa" hint.sio.0.port="0x3F8" hint.sio.0.flags="0x10" hint.sio.0.irq="4" I checked my BIOS - both irq 3&4 are reserved for ISA, and com port 1 is setup to use irq4 port 3F8. >How-To-Repeat: Install freebsd on HP compaq nw8440, or Asus A8N motherboard. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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