Date: Mon, 15 Sep 2008 08:58:43 -0700 From: Marcel Moolenaar <xcllnt@mac.com> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-current@freebsd.org Subject: Re: sio => uart: one port is gone Message-ID: <BA357CBA-D4F8-44F0-99ED-BDF443DF0AD3@mac.com> In-Reply-To: <48CE59C2.9060307@icyb.net.ua> References: <48CE59C2.9060307@icyb.net.ua>
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On Sep 15, 2008, at 5:49 AM, Andriy Gapon wrote: > > This is a fairly standard and old machine with 2 COM ports. > Recently (last Friday) I decided to update my RELENG_7 system and > also to transition from sio to uart. > > This what I had before the upgrade: > kernel: sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 > flags 0x10 on acpi0 > kernel: sio0: type 16550A > kernel: sio0: [FILTER] > kernel: sio1: <16550A-compatible COM port> port 0x2e8-0x2ef irq 3 on > acpi0 > kernel: sio1: type 16550A > kernel: sio1: [FILTER] > > This is what I have now: > uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 on > isa0 > uart0: [FILTER] > > This is what I have in device.hints for uart: > hint.uart.0.at="isa" > hint.uart.0.port="0x3F8" > hint.uart.0.flags="0x10" > hint.uart.0.irq="4" > hint.uart.1.at="isa" > hint.uart.1.port="0x2F8" > hint.uart.1.irq="3" > hint.uart.2.at="isa" > > Precisely the same hints (s/uart/sio/) I had for sio. The hints are bogus. As you can see, sio(4) attached to acpi(4), whereas uart(4) attaches to isa(4). Don't compile ACPI as a kernel module and all is fine. -- Marcel Moolenaar xcllnt@mac.com
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