nvidia: Bump beta driver to 361.18 #12719
Conversation
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By analyzing the blame information on this pull request, we identified @wkennington, @vcunat and @spencerjanssen to be potential reviewers |
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It turns out that, despite setting Any tips? |
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It seems we have no proper support for plugging in the beta driver. Currently we allow "nvidia" and "nvidiaLegacy*" values of the drivers, so I suggest we just add "nvidiaBeta" to that list. |
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Will you test running the beta drivers? Additional code for my suggestion is simple: diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix
index 7115769..e89f574 100644
--- a/nixos/modules/hardware/video/nvidia.nix
+++ b/nixos/modules/hardware/video/nvidia.nix
@@ -14,6 +14,8 @@ let
nvidiaForKernel = kernelPackages:
if elem "nvidia" drivers then
kernelPackages.nvidia_x11
+ else if elem "nvidiaBeta" drivers then
+ kernelPackages.nvidia_x11_beta
else if elem "nvidiaLegacy173" drivers then
kernelPackages.nvidia_x11_legacy173
else if elem "nvidiaLegacy304" drivers then |
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I've tested it. Unfortunately it doesn't work, and I don't think it has to do with the stable/beta difference. nvidia changed something in between versions; now none of my applications can use it, and there's no error messages that I can see. It's all in perfect shape. It just doesn't do anything. Well, there are a few errors: I think this one's a bit beyond me. |
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Hmm, I also see no relevant error message (except for glxinfo). |
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I bet it has to do with the GLVND infrastructure they're referring to in the release notes. I checked to make sure that all included libraries are installed, although since GLVND is open-source we might actually want to build that separately... anyway, nothing obvious there. They do seem to be bundling libglx.so, for the first time, so that might be causing problems. I'm not sure what version of libglx it'd be, or what to do about it. I'd probably need to look at how it gets installed on a more traditional Linux system; Ubuntu or so. Anyway, it'd be good to have this working before the driver leaves beta, but I don't think I'm likely to succeed. I'll take another poke or two at it, but you shouldn't expect anything. |
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Bundling libglx for the first time? It certainly was also in previous releases: |
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We won't be able to switch to the branch before we fix it :-) ATM I've got personally other stuff with higher priority. Maybe someone else will fix it in the meantime. |
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Oh, sorry for the confusion. 361.18 has both libglx.so.361.18, which is presumably the X module, but also libGLX.so.0... which from the disassembly appears to be a thin wrapper for glvnd. The Goobuntu system I'm sitting in front of right now, actually doesn't have libGLX at all. It's also on 340, though. I'll definitely need to see this package in action on a real system. I'll probably find time for that tomorrow. |
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@vcunat -- It's been somewhat more than a day, but I never could figure out what the problem was, save that it's caused by GLVND. So for now, I've changed the build script to select the legacy driver. I'm running a system with it right now; OpenGL works. Meanwhile the non-beta driver also bumped, so I'm also including that. |
squash! nvidia: Bump driver to 361.28
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So at this commit |
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Right. |
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It runs fine for me as well. Thanks. |
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Has anyone noticed new segfaults after this merge? Since I switched to this, I'm getting some even segfaults with binaries that worked previously, so it has to be some impurity and we don't have so many... |
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Can't say I have. What sort of segfaults? In OpenGL apps, or..? |
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So far only when I quit (g)vim or when I start vlc. It might be some other impurity. We'll see in time, I hope. |
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Can also confirm the above segfaults in vlc (on start) and gvim (on exit) using the "nvidia" driver on master, which are due to a segfault in "__eglTeardownVendor" from libEGL provided by the nvidia-x11 package according to valgrind. |
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Another segfaulting app is mplayer. While I think it's likely that the issue is with libEGL (which is a binary provided by nvidia in this driver) I have little understanding of the internals of OpenGL. This topic on the nvidia forums could be the same issue, although I had the same issue with running nixos vlc versions going back to 2.1.5 (I should really gc at some point :-) ). I'll have a closer look and submit more information to nvidia at some point, unless someone beats me to it. Going to have to revert this locally for now. |
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The GLVND libraries do work, but you must create version symlinks to specific libraries. The libraries being Fixing this will resolve the random segfaults you are encountering when libEGL looks for the library named with a specific version that doesn't exist at runtime. https://github.com/triton/triton/blob/master/pkgs/all-pkgs/nvidia-drivers/builder-generic.sh |
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Ah, thanks. @codyopel: would you file a PR for this against https://github.com/NixOS/nixpkgs? |
Beta also gets updated, but even upstream it's older than stable. vcunat generalized parallel make. Close NixOS#12719. (cherry picked from commit e0fe8cf) This is a new long-lived branch, so the update seems suitable for 16.03.
Including some more build fixes for that. These will presumably be useful for the default version, eventually.