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From: John Baldwin <jhb@freebsd.org>
To: freebsd-stable@freebsd.org
Subject: Re: serial console problem with latest 9.2-stable
Date: Mon, 5 May 2014 13:36:14 -0400
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On Friday, April 18, 2014 4:14:07 am Daniel Braniss wrote:
>=20
> On Apr 11, 2014, at 12:09 PM, Daniel Braniss <danny@cs.huji.ac.il> wrote:
>=20
> > Hi,
> > in /boot/device.hints I have:
> > 	hint.uart.1.flags=3D0x10
> >=20
> > and till about a week old kernel, I get the serial console ok.
> > with today=92s update, this is broken:
> > 	the boot output stops after showing:
> > ...
> > cpu15 (AP): APIC ID:  7
> > ioapic1: Changing APIC ID to 1
> > ioapic0 <Version 2.0> irqs 0-23 on motherboard
> > ioapic1 <Version 2.0> irqs 32-55 on motherboard
> >=20
> > Freebsd/amd64 (rnd) (ttyu1)
> >=20
> > Login:
> >=20
> > and later, escape to debugger failes - i.e hitting \n~^B gets me nowher=
e.
> >=20
> > from dmesg:
> >=20
> > =85
> > ioapic1: Changing APIC ID to 1
> > ioapic0 <Version 2.0> irqs 0-23 on motherboard
> > ioapic1 <Version 2.0> irqs 32-55 on motherboard
> > kbd1 at kbdmux0
> > acpi0: <DELL PE_SC3> on motherboard
> >=20
> > =85
> >=20
> > so what is broken in kbdmux?
> >=20
> > thanks,
> > 	danny
> >=20
> some more info, from =91grep hart /var/run/dmesg.out':
> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 on acpi0
> uart0: console (115200,n,8,1)
> uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 flags 0x10 on acpi0
>=20
> I need some hints to solve this,

What does 'conscontrol' show?

=2D-=20
John Baldwin