[syslinux] syslinux 5.01 serial regression...

[Daniel J Blueman]

On 05/27/2013 07:49 PM, Gene Cumm wrote:
> On Mon, May 27, 2013 at 5:55 AM, Daniel J Blueman
> <daniel at 1degreenorth.com> wrote:
>> On 27/05/2013 17:53, Ferenc Wagner wrote:
>>>
>>> Daniel J Blueman <daniel at 1degreenorth.com> writes:
>>>
>>>> When moving from syslinux 4.06 to 5.01, I found serial output isn't
>>>> working. The issue reproduces simply [1] and I get back serial output
>>>> when I move back to syslinux 4.06.
>>>
>>>
>>> Hi Daniel,
>>>
>>> What hardware are you working on?  In some cases (eg. IBM Bladecenter
>>> serial over LAN) it became necessary to supply flow control options
>>> (like SERIAL 1 115200 0x13) to get any output.  I never got the
>>> opportunity to narrow it down to the exact version, but you may want to
>>> try it until somebody knowledgeable responds.
>>
>>
>> Indeed, I usually use:
>> serial 1 115200 0x003
>>
>> ...which doesn't work here either.
>>
>> Thanks anyway!
>>
>> Daniel
>
> 115200 = 0x1C200 so "SERIAL 1 115200" should be setting the bit rate
> to 9600 and the flow control to 0x200.

This seems counterintuitive according to the documentation [1]; what 
should one use to enable the second serial port at 115K?

Thanks,
   Daniel

[1] http://www.syslinux.org/wiki/index.php/SYSLINUX
-- 
Daniel J Blueman
Principal Software Engineer, 1degreenorth Pte Ltd