Date: Mon, 11 Jul 2016 12:35:06 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-hackers@freebsd.org Subject: Re: 11-Beta1 problem with virtual KVM Message-ID: <27ab24b9-ef8c-0ce5-c70b-d7fe3a201946@denninger.net> In-Reply-To: <bd5decf7-7757-2591-783e-998399ad220a@FreeBSD.org> References: <4dc72d13-bdbf-3947-0564-4e8553475b17@denninger.net> <CAPed3OG9sa-F_t%2B%2BwTFHydBgHNO20cc_w6eaC7qVOU72rbHRsw@mail.gmail.com> <4e137b8a-4dd4-10c9-7843-83452c217a70@denninger.net> <bd5decf7-7757-2591-783e-998399ad220a@FreeBSD.org>
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[-- Attachment #1 --]
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@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@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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