6 ms·

In addition to all these numbers, AMD also finally fixed the GPU reset bug with 6800 cards[1], which is huge for those of us running GPU passthrough to a VM as

by sirn 6y ago

In addition to all these numbers, AMD also finally fixed the GPU reset bug with 6800 cards[1], which is huge for those of us running GPU passthrough to a VM as a BACO workaround kernel patch is no longer needed. Possibly going to be more stable on Linux as well as the card can recover itself from crashes. Big Navi also has its driver upstreamed in current 5.9 kernel so no more first day disaster like Navi. (Meanwhile Nvidia also removed the "error 43" limitation when it detected the card is being run in a VM, so VFIO scene is getting a lot more interesting in this generation.) [1]: https://www.youtube.com/watch?v=ykiU49gTNak https://www.youtube.com/watch?v=ykiU49gTNak

snvzz 6y ago
Their GPU review done on windows[1] is also worth watching. [1] https://www.youtube.com/watch?v=yMz-5uP8sBw https://www.youtube.com/watch?v=yMz-5uP8sBw
porphyra 6y ago
I think that, for my use case, it would be a good combo to put both an Nvidia card and an AMD card in the same Linux machine, using the AMD one on Linux and spinning up VM guests using the Nvidia card for Windows gaming or for ML work. This way I can use Wayland (especially the Sway window manager) for my development workflow while being able to use CUDA and stuff.
- SXX 6y ago
  Wayland still not ready for daily use. Over last few years I tried it several times with Kubuntu and KDE Neon and every time stuck with issues latest of which was impossibility to make Virt-viewer client work properly on 85Hz. Also some issues with hardware acceleration in Firefox, glitches in IDEA IDEs, etc. Also 3 monitors configuration sometimes end up messed up...
  - scaladev 6y ago
    >Wayland still not ready for daily use .. KDE .. That's almost as much an over-generalization as saying "PC is not ready for daily use". Wayland is a protocol (or even a family of protocols), kwin is one specific compositor which implements it (and the implementation is still far from being complete from what I hear). I've been using a different compositor for about a year now, and I don't miss Xorg one bit.
  - pkulak 6y ago
    Sucks to hear that I've been exclusively using a compositor that wasn't ready for the last 8 months. Sway is the best desktop computing experience I've ever had, "ready" or not.
    - bch 6y ago
      Sadly sway seems very very Linux-centric. It depends on a device-enumerator that ships w systemd, which is quite an invasive prerequisite. I’m playing/hacking w swc[0] on NetBSD, and I’ve worked out my daily-driver, which to be clear, is actually fit for ~nobody in the grand scheme, because it’s essentially just multiplexing terminals. [0] https://www.phoronix.com/scan.php?page=news_item&px=MTU4MTI https://www.phoronix.com/scan.php?page=news_item&px=MTU4MTI
    - fluffything 6y ago
      No proper screen sharing through any mainstream videoconference application is a killer for work. (0) chromium doesn't support wayland yet, so it is blurry in HiDPI displays with scaling (chromium-dev does, but it has so many bugs it isn't even funny). As a consequence, all electron apps end up blurry... of which there are many. Same applies to all apps that don't support Wayland yet. For example, I spend 90% of my time using Emacs, and it is blurry on Sway if I enable HiDPI scaling. --- So sure. If you don't have a "modern" HiDPI monitor, and if you don't need to screen share often, and if you don't need to use chromium for work, or any App that doesn't support wayland yet, like all electron apps, Emacs, etc., or your work involves ML, or you want to game, or have an nvidia graphics card, which sway does not want to support (as opposed to gnome and kde), and you don't want to buy two GFX cards, or if you have to do screen sharing, or probably another dozen other things that most users need to do occasioanlly, or even every day. Then, and only then, Sway might be for you. But you can also use i3, where all this stuff just works. --- (0) I've seen people creating virtual webcams using OBS studio to capture their screen and share it as their "webcam" in videoconferences, but no mainstream software really supports this "as screen sharing", so the quality is quite bad, in a meeting with 10 people everyone needs to pick the webcam because the apps don't support this huge hack, etc.
      - pedrocr 6y ago
  - tonyhb 6y ago
    I use it daily and it's fine.
grokas 6y ago
So happy to see L1T linked here.
Nullabillity 6y ago
Pretty sure the reset bug was fixed a while ago. My RX580 resets just fine, while my RX480 hangs reliably.
- sirn 6y ago
  AFAIK, RX 580 is the only exception for anything newer than Hawaii that doesn't have the reset bug (and only from certain vendor, Sapphire RX 580 I believe).
  - Nullabillity 6y ago
    Welp, guess I got lucky then.
mmastrac 6y ago
> AMD also finally fixed the GPU reset bug with 6800 cards This is great news. I really wanted to build a virtualized AMD machine but I had _so_ many issues around this. > Meanwhile Nvidia also removed the "error 43" limitation Interesting - do you have a reference for this? I've been waiting on this for ages.
- sirn 6y ago
  Right now it's reported by Linus Tech Tips[1], but I don't think I've seen anyone in the /r/VFIO community tried it yet (partly due to availability). I'm very curious about this as well and might as well get one and try it myself... [1]: https://youtu.be/oUzCn-ITJ_o?t=642 https://youtu.be/oUzCn-ITJ_o?t=642
  - mmastrac 6y ago
    That's great to hear. I look forward to seeing more from the VFIO community on this. I'm so close to going full VFIO. I need to test it on my 3090.
    - tonyhb 6y ago
      I'm full VFIO on an RTX 2060 max q and it's actually great. Error 43 is annoying but there are already workarounds - namely, certain VFIO settings (`vendor_id` in hyperv, and -laptop only- adding an acpitable to emulate battery).

by sirn 6y ago

snvzz 6y ago

Their GPU review done on windows[1] is also worth watching. [1] https://www.youtube.com/watch?v=yMz-5uP8sBw https://www.youtube.com/watch?v=yMz-5uP8sBw

porphyra 6y ago

I think that, for my use case, it would be a good combo to put both an Nvidia card and an AMD card in the same Linux machine, using the AMD one on Linux and spinning up VM guests using the Nvidia card for Windows gaming or for ML work. This way I can use Wayland (especially the Sway window manager) for my development workflow while being able to use CUDA and stuff.

SXX 6y ago
Wayland still not ready for daily use. Over last few years I tried it several times with Kubuntu and KDE Neon and every time stuck with issues latest of which was impossibility to make Virt-viewer client work properly on 85Hz. Also some issues with hardware acceleration in Firefox, glitches in IDEA IDEs, etc. Also 3 monitors configuration sometimes end up messed up...
- scaladev 6y ago
  >Wayland still not ready for daily use .. KDE .. That's almost as much an over-generalization as saying "PC is not ready for daily use". Wayland is a protocol (or even a family of protocols), kwin is one specific compositor which implements it (and the implementation is still far from being complete from what I hear). I've been using a different compositor for about a year now, and I don't miss Xorg one bit.
- pkulak 6y ago
  Sucks to hear that I've been exclusively using a compositor that wasn't ready for the last 8 months. Sway is the best desktop computing experience I've ever had, "ready" or not.
  - bch 6y ago
    Sadly sway seems very very Linux-centric. It depends on a device-enumerator that ships w systemd, which is quite an invasive prerequisite. I’m playing/hacking w swc[0] on NetBSD, and I’ve worked out my daily-driver, which to be clear, is actually fit for ~nobody in the grand scheme, because it’s essentially just multiplexing terminals. [0] https://www.phoronix.com/scan.php?page=news_item&px=MTU4MTI https://www.phoronix.com/scan.php?page=news_item&px=MTU4MTI
  - fluffything 6y ago
    No proper screen sharing through any mainstream videoconference application is a killer for work. (0) chromium doesn't support wayland yet, so it is blurry in HiDPI displays with scaling (chromium-dev does, but it has so many bugs it isn't even funny). As a consequence, all electron apps end up blurry... of which there are many. Same applies to all apps that don't support Wayland yet. For example, I spend 90% of my time using Emacs, and it is blurry on Sway if I enable HiDPI scaling. --- So sure. If you don't have a "modern" HiDPI monitor, and if you don't need to screen share often, and if you don't need to use chromium for work, or any App that doesn't support wayland yet, like all electron apps, Emacs, etc., or your work involves ML, or you want to game, or have an nvidia graphics card, which sway does not want to support (as opposed to gnome and kde), and you don't want to buy two GFX cards, or if you have to do screen sharing, or probably another dozen other things that most users need to do occasioanlly, or even every day. Then, and only then, Sway might be for you. But you can also use i3, where all this stuff just works. --- (0) I've seen people creating virtual webcams using OBS studio to capture their screen and share it as their "webcam" in videoconferences, but no mainstream software really supports this "as screen sharing", so the quality is quite bad, in a meeting with 10 people everyone needs to pick the webcam because the apps don't support this huge hack, etc.
    - pedrocr 6y ago
- tonyhb 6y ago
  I use it daily and it's fine.

grokas 6y ago

So happy to see L1T linked here.

Nullabillity 6y ago

Pretty sure the reset bug was fixed a while ago. My RX580 resets just fine, while my RX480 hangs reliably.

sirn 6y ago
AFAIK, RX 580 is the only exception for anything newer than Hawaii that doesn't have the reset bug (and only from certain vendor, Sapphire RX 580 I believe).
- Nullabillity 6y ago
  Welp, guess I got lucky then.

mmastrac 6y ago

> AMD also finally fixed the GPU reset bug with 6800 cards This is great news. I really wanted to build a virtualized AMD machine but I had _so_ many issues around this. > Meanwhile Nvidia also removed the "error 43" limitation Interesting - do you have a reference for this? I've been waiting on this for ages.

sirn 6y ago
Right now it's reported by Linus Tech Tips[1], but I don't think I've seen anyone in the /r/VFIO community tried it yet (partly due to availability). I'm very curious about this as well and might as well get one and try it myself... [1]: https://youtu.be/oUzCn-ITJ_o?t=642 https://youtu.be/oUzCn-ITJ_o?t=642
- mmastrac 6y ago
  That's great to hear. I look forward to seeing more from the VFIO community on this. I'm so close to going full VFIO. I need to test it on my 3090.
  - tonyhb 6y ago
    I'm full VFIO on an RTX 2060 max q and it's actually great. Error 43 is annoying but there are already workarounds - namely, certain VFIO settings (`vendor_id` in hyperv, and -laptop only- adding an acpitable to emulate battery).