serial console problem with latest 9.2-stable

[Daniel Braniss]

On Apr 11, 2014, at 12:09 PM, Daniel Braniss <danny at cs.huji.ac.il> wrote:

> Hi,
> in /boot/device.hints I have:
> 	hint.uart.1.flags=0x10
> 
> and till about a week old kernel, I get the serial console ok.
> with today’s 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
> 
> Freebsd/amd64 (rnd) (ttyu1)
> 
> Login:
> 
> and later, escape to debugger failes - i.e hitting \n~^B gets me nowhere.
> 
> from dmesg:
> 
> …
> 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
> 
> …
> 
> so what is broken in kbdmux?
> 
> thanks,
> 	danny
> 
some more info, from ‘grep 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

I need some hints to solve this, 

thanks,
	danny

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