kern/147082: [uart] Serial ports unusable

[Garrett Cooper]

On Fri, Jun 4, 2010 at 5:28 PM, Mayo Jordanov <mayo at oyam.ca> wrote:
> Hi Andy,
>
> Thanks for the suggestion. I have all my ports mapped directly as you have, and I also tried setting the bios to reserve the IRQs so nothing else gets to use them.
>
> Thank you for the suggestions and keeping an eye on this.
> mayo
>
> On 2010-06-04, at 16:43 , Andy Farkas wrote:
>
>> On Sat, Jun 5, 2010 at 5:00 AM, Mayo Jordanov <mayo at oyam.ca> wrote:
>>>
>>>  One more report, I loaded FreeBSD 6.4 on this machine, and the serial =
>>>  ports work without any problems.=
>>>
>>
>> Hi Mayo,
>>
>> You might remember that I was having this problem as well, no output on
>> serial ports, on my HP ProLiant ML 100 box.
>>
>> I solved it by going into BIOS and explicitly setting the COM ports to
>> 3F8/4 and 2F8/3. They were set to AUTO before. As a side note, when set
>> to AUTO, COM2 did not show up in dmesg.
>>
>> What are your BIOS settings?

Was this an upgrade or a fresh install? If it was an upgrade, what
version of FreeBSD did you upgrade from? Can you please provide your
device.hints file?
Thanks,
-Garrett