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More NVIDIA news for you today, not only is it possible to use GeForce NOW on Linux in the browser, we also have a new stable NVIDIA driver release.

The majority of the 450.66 driver is to add new support for multiple Quadro and Matrox GPUs, the type of stuff used in professional settings and not really for consumers. Still, NVIDIA constantly add to their Linux support which is good for the Linux industry as a whole.

Apart from that, there was one single listed bug fix. Small but it sounded quite important:

Fixed triple buffering support of Vulkan X11 swapchains when applications are syncing to vblank.

Since it made me curious how and when it might happen, I spoke to NVIDIA about this specific fix.

Here's what they sent along earlier about it:

This addresses the issue of applications being capped to half the display refresh rate (for example, capped to 30 FPS on a 60 Hz display) when 1) they are flipping sync'd to vblank 2) use more than two swapchain images (which is the case of DXVK) and 3) they render below the display refresh rate. If such application renders at 54 FPS on a 60 Hz display, it should now flip at 54 FPS instead of 30 FPS.

Damien Leone, NVIDIA

So that's another tick in the box for improved Vulkan, Linux and NVIDIA together.

You can see the 450.66 driver here. As this is a stable driver, you should be good to go on upgrading. Whenever your distribution offers packages that is. If you're on Arch, I've recently been shown the TkG installer and it worked great.


Update 20/08/20 - NVIDIA sent word that the 450 series will be the last to support these three SLI modes: AA, AFR and SFR. However "SLI Mosaic, Base Mosaic, GL_NV_gpu_multicast, and GLX_NV_multigpu_context will continue to be supported in future driver series". You can see more about their deprecation schedule here.

Article taken from GamingOnLinux.com.
Tags: NVIDIA, Vulkan
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16 comments
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rcgamer 18 Aug, 2020
I don't know if anyone else had this problem but when I updated to 450.57 through the Driver Guys ppa on POPOS the performance of the whole system was super slow. I reverted to the default POPOS driver. Then I upgraded my kernel to 5.7.1 and reinstalled the 450.57 driver afterwards and the system was really snappy and quick. Just an FYI if someone else has this problem. In case it happens with this driver also.
slaapliedje 18 Aug, 2020
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QuoteQuadro and Matrox GPUs
Did Matrox get bought by nVidia? Not sure why they'd be releasing drivers for them... :)
Still wondering if nVidia is going to buy ARM.
Luke_Nukem 18 Aug, 2020
Oh shit, so that *was* an issue! I thought I was going mad.
benjamimgois 18 Aug, 2020
TKG nvidia installer is one of the easiest ways to install new nvidia drivers on linux i have ever see. His packages are also avaiable on the chaotic-aur, so you can just let pamac install then automagically for you.
slaapliedje 18 Aug, 2020
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Well I'll be....
Quoted from Phoronix
QuoteThe NVIDIA-powered Matrox D-Series D1480 and D1450 are also now supported by this Linux driver.
I am so confused.....

Edit: Okay, now it makes sense...
https://www.anandtech.com/show/15449/matrox-unveils-dseries-graphics-cards-with-nvidia-quadro-gpus
Somehow missed that Matrox is now making multidisplay cards powered by Quadros. Interesting. I used to love Matrox cards, sadly the Parhelia was my last one, as they basically dropped out of the crazy performance race.


Last edited by slaapliedje on 18 August 2020 at 9:10 pm UTC
Dunc 18 Aug, 2020
Quoting: slaapliedjeWell I'll be....
I feel as if I've just seen a shiny new Bedford van on the street. I honestly thought Matrox was defunct, or had been bought out by NVidia or ATi (as was).
slaapliedje 19 Aug, 2020
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Quoting: Dunc
Quoting: slaapliedjeWell I'll be....
I feel as if I've just seen a shiny new Bedford van on the street. I honestly thought Matrox was defunct, or had been bought out by NVidia or ATi (as was).
Nah, they have been around, just more or less got out of 'consumer' level products, and sell cards for massive amounts of displays. I think their highest end one is 16 on a single card.
Weird that they are now even giving up on their own ASICs (maybe?).
Purple Library Guy 19 Aug, 2020
Quoting: Luke_NukemOh shit, so that *was* an issue! I thought I was going mad.
That could still be the case. For instance, I'm pretty sure you use Linux!
Luke_Nukem 19 Aug, 2020
Quoting: Purple Library Guy
Quoting: Luke_NukemOh shit, so that *was* an issue! I thought I was going mad.
That could still be the case. For instance, I'm pretty sure you use Linux!

Naaa, it was Windows that made me mad. That's why I use Linux... Hmm, hang on a sec.
TheSHEEEP 19 Aug, 2020
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Quoting: Luke_Nukem
Quoting: Purple Library Guy
Quoting: Luke_NukemOh shit, so that *was* an issue! I thought I was going mad.
That could still be the case. For instance, I'm pretty sure you use Linux!

Naaa, it was Windows that made me mad. That's why I use Linux... Hmm, hang on a sec.
Windows developed by Linux developers to drive people mad and into using Linux confirmed.
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