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<div class="moz-cite-prefix">Biggest problem seems to be the maximum
framebuffer resolution they seem to bake into cards - kinda why I
asked what yours reported. Seems fools that pay that long dollar
for the really expensive cards don't ever actually run linux to
post results, nor does any official docs read actual what they
*do* support under linux. Why would nvidia actually post real
working linux results?<br>
<br>
Sadly, aforementioned 5800 AMD cards only supported with 6 DP
ports 8192x8192 framebuffer support (great if using non-hd
displays), which I could never figure out why wouldn't support a
single framebuffer until the AMD guy explained it to me with some
escalation to someone competent. After, I found most cards won't
support anything beyond 2-3 displays (ahem, intel) that weren't
purpose-built for the task. <br>
<br>
Ubuntu at the time was a basketcase to use multiple framebuffers,
meaning separate $DISPLAY namespaces to bind apps to, and most
apps would simply come apart if I tried to crash the system. Even
carefully launching apps between displays, it seemed the
system/apps would crash hard within a day. Scratch.<br>
<br>
Long story short, multiple display framebuffers weren't an option
due to bugs (or lack of anyone conceiving someone might attempt
this), so it wasn't until I got a card to support a big enough
framebuffer (amd 6xxx+) did I get any reasonable longevity to
usage, but still highly buggy with anything actually using gl
support. Xinerama support has never been feasible for real use
imho, breaking all gl support.<br>
<br>
I might plunge to try wayland tomorrow. Was reading about it
today more, seems kde and other things are building support for it
into newer releases (kde requires 5.x or better for wayland/weston
non-hardcoded xorg support), so might be worth an adventure.
Worst case I'll fall back to my laptop to work while I kick/beat
my system to work next week.<br>
<br>
It's gotten *that* unstable lately, it's hardly worse than
rebooting every few days.<br>
<br>
-mb<br>
<br>
<br>
On 06/14/2015 12:17 AM, Stephen Partington wrote:<br>
</div>
<blockquote
cite="mid:CACS_G9zPXwmGJS7vKukf_9y0eZ+Dw_CgYKpEymXXgJGatwwrig@mail.gmail.com"
type="cite">
<p dir="ltr">This is a bit of what I had in mind 90 a card. Dual
head. 3 cards for sub 300</p>
<p dir="ltr">Here is a great deal on the PNY Quadro NVS 310
VCNVS310DVI-PB 512MB 64-bit DDR3 PCI Express 2.0 x16 Workstation
Video Card , <a moz-do-not-send="true"
href="http://www.newegg.com/Product/Product.aspx?Item=14-133-463">http://www.newegg.com/Product/Product.aspx?Item=14-133-463</a><br>
I found.</p>
<div class="gmail_quote">On Jun 13, 2015 11:53 PM, "Stephen
Partington" <<a moz-do-not-send="true"
href="mailto:cryptworks@gmail.com">cryptworks@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<p dir="ltr">I think their consumer cards and quadros are
limited to 2 displays. And the nvs line is built for 4. Now
depending on what your system has available you could go
with 3 cheaper desktop cards and run them that way. Makes me
wonder if Matrox is still around doing their thing or not. </p>
<div class="gmail_quote">On Jun 13, 2015 11:43 PM, "Michael
Butash" <<a moz-do-not-send="true"
href="mailto:michael@butash.net" target="_blank">michael@butash.net</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>Interesting note (imho), I went digging around
nvidia's site today, trying to familiarize myself with
their line of overpriced video cards aka quadro's.
What I found was most of their website doesn't render
or work properly, half the links were broken, half
their pdf's didn't download, and in general looks like
something a 10 year old put together (or me, meh for
aesthetics). Wow, you'd think they could afford some
competent web developers at least.<br>
<br>
Sadly seems every card that can do "mosaic" mode,
including sli to achieve nvidia's qualifications to
support sli were $500+ used on ebay, needing multiple
cards of them, in the kepler (K) line of cards or
better to achieve. I guess it's one of those
ymmv/"get what you pay for" sort of things to support
what I don't necessarily expect should cost me $1000+
to support my 6 displays, and really not sure even
that is any better/worse than AMD's support until I
see it.<br>
<br>
Seeing as no one at AMD gives a real darn about real
linux support (hark! yet another COD windoze game came
out with broken dx rendering, support!), it might be
worth the price, but the childish/broken website from
nvidia makes me loathe to want to invest there either,
figuring I'll see the same brokenness I see with amd.<br>
<br>
-mb<br>
<br>
<br>
On 06/12/2015 06:45 PM, Stephen Partington wrote:<br>
</div>
<blockquote type="cite">
<p dir="ltr">I need to install and check. </p>
<div class="gmail_quote">On Jun 12, 2015 4:20 PM,
"Michael Butash" <<a moz-do-not-send="true"
href="mailto:michael@butash.net" target="_blank">michael@butash.net</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>Stephen, out of curiosity, what does your
xrandr show as a max framebuffer size on your
quadro?<br>
<br>
mb@host:~$ xrandr | grep maximum<br>
Screen 0: minimum 320 x 200, current 11520 x
1200, maximum 16384 x 16384<br>
<br>
This was a big limiter for me, in the past I
couldn't figure out why my old ATI 5800 card
with 6 ports wouldn't support a full, single
framebuffer, but was internally limited to
8192x8192, with the 6xxx+ supporting
16384x16384. Xorg wasn't too forthcoming with
that info, and it was prior to xrandr support
in their drivers, so totally left me
scratching my head until escalating with AMD
support to an engineer with a clue that told
me that.<br>
<br>
With the advent of 4k displays, they still
seem limited to that, which means I can only
do 4x wide until vendors give to open that up.<br>
<br>
Thanks!<br>
<br>
-mb<br>
<br>
<br>
On 06/12/2015 03:55 PM, Michael Butash wrote:<br>
</div>
<blockquote type="cite">
<div>Next time I have an absolute need to
upgrade hardware, I plan on avoiding ati/amd
at all costs. After dealing with them for a
good 5 years as the only real viable option
to run my displays, only to be wrought with
constant disappointment, problems, and
frustration. Buying highly overpriced
quadro cards might be money well spent at
this point, but I still despise nvidia that
they're really little other than rebranded,
and marked-up normal video cards with
driver-locked (to bios-id) features.<br>
<br>
That said, going to set up some ebay agents
to look for decent quadro's to snipe. I had
good luck getting my last few amd cards that
way on the cheap, gotta love jbidwatcher for
cheating some other person with a
last-second bid.<br>
<br>
Thanks as always for the input Stephen.<br>
<br>
-mb<br>
<br>
<br>
On 06/12/2015 03:20 PM, Stephen Partington
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div class="gmail_default"
style="font-family:trebuchet
ms,sans-serif">I have almost given up on
ATI, if i want just multiple screens i
would look into the Quadro NVS cards.
Such as the NVS 510 or the K1200. They
may be very proprietary to get running,
but my success with Nvidia cards in both
linux and windows really makes it
worthwhile. These cards will only do a
single monitor, but they are cheap
enough to run 2 cards with reasonable
usability. or one NVS and one more Gamer
friendly card.<br>
</div>
</div>
</blockquote>
<br>
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