11-Beta1 problem with virtual KVM

[Karl Denninger]

On 7/11/2016 12:22, Eric van Gyzen wrote:
> On 07/11/16 12:12 PM, Karl Denninger wrote:
>> On 7/11/2016 11:54, Ruben Kerkhof wrote:
>>> Dear Karl,
>>>
>>> On Sun, Jul 10, 2016 at 3:24 AM, Karl Denninger <karl at denninger.net> wrote:
>>>> It looks like the VGA "synthetic" adapter that the system is outputting
>>>> on for the console now has one extra scan line.
>>>>
>>>> This results in the last line being half cut-off on my java-based
>>>> KVM.... very annoying and it makes it extremely difficult to work on the
>>>> system via it.
>>>>
>>>> This was *not* a problem with 10.x; it's a new issue for 11.
>>>>
>>>> Ideas to fix?  Setting rows does not do it.
>>> FWIW, I'm seeing the same on various Supermicro KVMs.
>>> This is indeed very annoying since it hides the prompt.
>>>
>>> I've been planning to open an issue in BZ but haven't had the time yet.
>>>
>> It also impacts a real monitor; I had to resize the screen that I had
>> used on one of my test machines for quite some time.  It appears they
>> changed the scan line count or something similar in the  driver.
> You might try adding this to /boot/loader.conf and rebooting:
>
>         kern.vty="sc"
>
> That will at least narrow down the problem to the new vt(4).
kern.vty="sc" returns me to a reasonable console that works properly
over the KVM.

Looks like the "new" vt has problems.... this will bite (at least)
anyone with a SuperMicro IPMI/KVM and there's a lot of those out there...

-- 
Karl Denninger
karl at denninger.net <mailto:karl at denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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