kern/147082: [uart] Serial ports unusable
Mayo Jordanov
mayo at oyam.ca
Sat Jun 5 20:19:52 UTC 2010
On 2010-06-04, at 20:47 , Garrett Cooper wrote:
> 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
No, it was always a clean install. The only upgrade that happened was when I tested 8.0-STABLE after failing on 8.0-RELEASE. (Also tested the 8.1 beta with same probs) In every case I used generic kernel with the default/original device.hints. Both device.hints files are attached, but looking at the relevant lines, they have the same setup.
Thanks,
mayo
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