[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Please try the workaround from bug 1896164. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
root@ubuntu:/opt/work/cuttlefish# uname -a Linux ubuntu 5.4.0-1022-raspi #25-Ubuntu SMP PREEMPT Thu Oct 15 13:31:49 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux root@ubuntu:/opt/work/cuttlefish# ls /dev/dri ls: cannot access '/dev/dri': No such file or directory root@ubuntu:/opt/work/cuttlefish# This version also doesn't have dri -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
** Tags added: focal ** Changed in: linux-raspi (Ubuntu) Status: Confirmed => Fix Released ** No longer affects: linux-raspi (Ubuntu Focal) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I'm on rpi 4b 8GB, Kernel: 5.4.0-1018-raspi but still not working: glxinfo -B name of display: :1 display: :1 screen: 0 direct rendering: Yes Extended renderer info (GLX_MESA_query_renderer): Vendor: VMware, Inc. (0x) Device: llvmpipe (LLVM 10.0.0, 128 bits) (0x) Version: 20.0.8 Accelerated: no Video memory: 7811MB Unified memory: no Preferred profile: core (0x1) Max core profile version: 3.3 Max compat profile version: 3.1 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.1 OpenGL vendor string: VMware, Inc. OpenGL renderer string: llvmpipe (LLVM 10.0.0, 128 bits) OpenGL core profile version string: 3.3 (Core Profile) Mesa 20.0.8 OpenGL core profile shading language version string: 3.30 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL version string: 3.1 Mesa 20.0.8 OpenGL shading language version string: 1.40 OpenGL context flags: (none) OpenGL ES profile version string: OpenGL ES 3.1 Mesa 20.0.8 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I have marked the "Focal" context for this bug as "Fix Released." Is observing it fixed on Focal sufficient to close it for the "linux- raspi (Ubuntu)" context? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I have verified that the bug is fixed in the most recent software update on both 32-bit and 64-bit installations of ubuntu 20.04 on a pi 4. ** Changed in: linux-raspi (Ubuntu Focal) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
i can confirm that this bug is FIXED in the 1015 kernel which i downloaded through the normal software update process. tested on both 32-bit and 64-bit kernels. THANKS! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Just checking in to see if there's any ETA on promoting this fix into focal-updates for the pi 4. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
You can enable the proposed archive to pull it in via apt upgrade or wait a couple of days until our regression testing finishes and it gets promoted to updates. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I have the same issue . My kernel obtained by yesterday´s upgrade is: Linux ubuntu 5.4.0-1013-raspi #13-Ubuntu SMP Mon Jun 15 03:17:37 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux SW acceleration still does not run: ubuntu@ubuntu:~$ glxinfo -B name of display: :0 Accelerated: no When could we expect orinary automatic upgrade to 5.4.0-1014.14 kernel which fix this issue ? Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Great! A 64-bit kernel I built with the same changes also works. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I had the same issue with the latest stable 64-bit kernel. However upgrading to the latest proposed 5.4.0-1014.14 kernel (https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1014.14) fixed it, and now the V3D driver works by default. I tried only with 64-bit, on a Raspberry Pi 4 Model B Rev 1.4. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I'll try 64-bit later today. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
I have now built and run a kernel with: CONFIG_DRM_V3D=m CONFIG_CLK_RASPBERRYPI=y CONFIG_ARM_RASPBERRYPI_CPUFREQ=y in .../focal/debian.raspi/config/config.common.ubuntu and i can confirm that it fixes the problem. My debug code shows raspberrypi_clk_probe() successfully adding clock "firmware-clocks" and v3d_platform_drm_probe() now succeeding. /dev/dri/renderD128 exists. A simple opengl test program renders correctly and reports: renderer = V3D 4.2 whereas before this change, it reported: renderer = llvmpipe Note that this is a 32-bit kernel, based on the code in the raspi branch, which is at kernel version 1009. I don't know if the same changes will also work in 64-bit kernels. A recent post in raspberry pi forums suggests it may not. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Re-examining the output of the debug code I added a few weeks ago, I noticed that I had put a kprintf into clk- raspberrypi.c/raspberrypi_clk_probe(), and it never was invoked. Thus, I think you're right that adding: CONFIG_CLK_RASPBERRYPI=y CONFIG_ARM_RASPBERRYPI_CPUFREQ=y has a good chance of getting us past this problem. I will try adding those lines to .../focal/debian.raspi/config/config.common.ubuntu. I'm having trouble building/running a modified kernel at the moment, but will do this as soon as I can. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
> why do you think it was disabled again? I was looking in .../focal/debian.raspi/config/... Investigating this bug is my first foray into the linux kernel source; I'm not familiar with the details of kernel configuration. So if it's already enabled in .../focal/arch/arm64/configs/... and has been all along, then I guess it's not the source of the current problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
> That commit was 9 weeks and 422 commits ago. At some point after that, it was > disabled again. https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/tree/arch/arm64/configs/bcm2711_defconfig?h=raspi Well in the latest version https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/tree/arch/arm64/configs/bcm2711_defconfig?h=raspi I see that both 'CONFIG_CLK_RASPBERRYPI' and 'CONFIG_ARM_RASPBERRYPI_CPUFREQ' are set to 'y' why do you think it was disabled again? > Is it sufficient simply to re-enable CONFIG_CLK_RASPBERRYPI? I don't know, but the original commit also enabled CONFIG_ARM_RASPBERRYPI_CPUFREQ=y If Hui Wang meant with his comment#7[1] something different than enabling 'CONFIG_CLK_RASPBERRYPI' and 'CONFIG_ARM_RASPBERRYPI_CPUFREQ' I don't know what it is. [1] https://bugs.launchpad.net/ubuntu/+source/linux- raspi/+bug/1880125/comments/7 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
That commit was 9 weeks and 422 commits ago. At some point after that, it was disabled again. There have been a number of commits that mention v3d since then, including several that mention clocks. Is it sufficient simply to re-enable CONFIG_CLK_RASPBERRYPI? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Looks like this commit has already enabled CONFIG_CLK_RASPBERRYPI: https://git.launchpad.net/~ubuntu- kernel/ubuntu/+source/linux/+git/focal/commit/?h=raspi=5be0baf1f125006ba31157316d8aef25cbb00f5b with much the same reason as described in this bug -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
comment 33 of bug 1850876 mentions dtoverlay=vc4-fkms-v3d. i have had that line all along in /boot/firmware/usercfg.txt (which is where it goes on a pi 4). bug 1850876 references linux-raspi2, and the v2 test kernel is based on linux 5.3. i'm running ubuntu 20.04 on a pi 4 - the raspi branch - which is based on linux 5.4. do you have a test kernel built from the raspi branch, or is there a git commit i can check out to build it myself? i have been successfully building and running kernels from source obtained via: git clone --depth=1 git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal -b raspi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Please refer to: https://bugs.launchpad.net/ubuntu/+source/linux- raspi2/+bug/1850876/comments/33 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Oh, the clk_raspberrypi is not enabled in the ubuntu kernel. Let me build a testing kernel to enable it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-raspi (Ubuntu Focal) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
** Also affects: linux-raspi (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-raspi (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
** Attachment added: "v3d-clock-problem-debug-excerpts.txt" https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+attachment/5376998/+files/v3d-clock-problem-debug-excerpts.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
i'm attaching some small excerpts from dmesg output from some debugging printk calls i added to the kernel v3d and clock code. there is another small issue with v3d_platform_drm_probe() - when it gets -EPROBE_DEFER from devm_clk_get(), it doesn't return -EPROBE_DEFER to its caller, so v3d_platform_drm_probe() was only being called once. i changed it to return -EPROBE_DEFER, and that resulted in many attempts, but all with the same result - finding 6 clock providers, none of which matches "firmware-clocks". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1880125] Re: v3d driver clock problem forces OpenGL to use software rendering
i forgot to mention: the relevant device tree file is: arch/arm/boot/dts/bcm2711-rpi.dtsi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
