[RndTbl] recommendations for 4k video card under Linux

[Adam Thompson]

I can't remember the last time I used Nvidia drivers with CentOS, but isn't that exactly what DKMS is for?
I recall seeing Nvidia drivers recompile automatically using DKMS but I can't remember where :-(

On April 6, 2018 2:09:19 PM CDT, Gilles Detillieux <grdetil at scrc.umanitoba.ca> wrote:
>Well, there is a surprising amount of cards that don't support 4k, 
>especially the lower cost ones.
>
>The issue with drivers is that the "built-in" X.org drivers that come
>in 
>their open source packages have good support for older cards, but not 
>always for the newer cards (which the 4k-capable ones will tend to be).
>
>The X.org "nouveau" driver claims to support GeForce GTX 200 and 400, 
>but doesn't mention the GTX 1050 chipset in the card you suggested.
>
>Using Nvidia's own Linux drivers has usually involved downloading and 
>installing kernel version-specific pre-compiled binary modules, which 
>stop loading after a kernel update.
>
>So, yes, due diligence because of trouble in the past.
>
>I've just read up on elrepo.org, though, which seems to package up 
>"kABI-tracking kmod drivers" which don't need to be recompiled for each
>
>kernel update, and their repo includes nvidia drivers. So, that may be 
>something to look into. Trouble is some of the stuff that turned up in 
>my Google searches involved people struggling to get those elrepo 
>drivers working, so it still won't be quite as simple and 
>straightforward as it would be if I could get a 4k card that works with
>
>the default X.org radeon or nouveau drivers.
>
>So, advice from someone who has gotten 4k video working under X.org, 
>with or without the elrepo drivers, would be appreciated.
>
>On 04/06/2018 01:27 PM, Kevin McGregor wrote:
>> Forgive my ignorance, but don't all current cards support 4K? And the
>
>> NVidia drivers would support that under Linux (<- assumption). For 
>> example, this card ($220 at ME) claims to support four 4K monitors 
>> (DP, HDMI, DVI-D):
>> https://www.memoryexpress.com/Products/MX64640
>>
>> Have you had trouble in the past, or is this just due diligence?
>>
>> On Fri, Apr 6, 2018 at 12:52 PM, Gilles Detillieux 
>> <grdetil at scrc.umanitoba.ca <mailto:grdetil at scrc.umanitoba.ca>> wrote:
>>
>>     Hi. Does anyone on the list have experience and recommendations
>on
>>     how to support a 4k monitor under Linux? We want to use a single
>>     Dell 27" 4k monitor (P2715Q) with a CentOS 7 system. What would
>be
>>     a good choice for a PCIe x16 video card, preferably with
>>     DisplayPort output, that can support 4k at 60 Hz and has good driver
>>     support under X.org - hopefully without having to resort to 3rd
>>     party pre-compiled, version-specific binary kernel modules? If we
>>     can keep the price for the card below $200-$300 that would be
>great.
>>
>>     Unfortunately my Google searches this morning for this have had a
>>     pretty low signal to noise ratio. Mostly people having problems
>>     with nVidia drivers.
>>
>>     Possibly relevant h/w info: ASUS M5A78L-Mlx+ motherboard and AMD
>>     FX-6350 CPU. Power supply has a spare 6-pin (3x2) PCI-E power
>>     connector for cards that require a dedicated power connection.
>>
>>     Thanks for any advice.
>>
>>     Gilles
>>
>>
>
>-- 
>Gilles R. Detillieux              E-mail: <grdetil at scrc.umanitoba.ca>
>Spinal Cord Research Centre       WWW:    http://www.scrc.umanitoba.ca/
>Dept. of Physiology and Pathophysiology, Rady Faculty of Health
>Sciences,
>Univ. of Manitoba  Winnipeg, MB  R3E 0J9  (Canada)

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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