Kernel – 5.0 For the New Year?
Speculation, but there are some signs in submissions for the next major Kernel release.. Kernel 4.21 may actually be Kernel 5.0? Robert Gadsdon. January 7, 2019.
Continue reading →Category Archives: Opinion
NVIDIA – Driver 415.23 – Finally, Works with Kernel 4.20..
After the embarrassment of driver 415.22 not actually compiling with Kernel 4.20, NVIDIA have now released 415.23. Very brief details are here: https://www.nvidia.com/Download/driverResults.aspx/141300/en-us This version does compile with Kernel 4.20 (tested with 4.20-rc6) but shows repeated warnings: ………………………………. In file included from /home/rgadsdon/Downloads/NVIDIA-Linux-x86_64-415.23/kernel/nvidia-uvm/uvm8_gpu.h:31, from /home/rgadsdon/Downloads/NVIDIA-Linux-x86_64-415.23/kernel/nvidia-uvm/uvm8_mmu_test.c:24: /home/rgadsdon/Downloads/NVIDIA-Linux-x86_64-415.23/kernel/nvidia-uvm/uvm_linux.h:263:2: warning: #warning “atomic64_t unavailable, demoting to atomic_t!” [-Wcpp] #warning “atomic64_t unavailable, … Continue reading →
NVIDIA – New Driver, Supposed to Fix Kernel 4.20 Issues – but Doesn’t?
NVIDIA have released driver 415.22, which is supposed to fix compile problems with Kernel 4.20. Details are here: https://www.nvidia.com/Download/driverResults.aspx/141072/en-us Unfortunately, this still fails to compile (tested with 4.20-rc5): ………………………….. CC [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.22/kernel/nvidia/linux_nvswitch.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.22/kernel/nvidia/linux_nvswitch.c: In function ‘nvswitch_os_snprintf_time’: /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.22/kernel/nvidia/linux_nvswitch.c:1585:5: error: implicit declaration of function ‘time_to_tm’; did you mean ‘time64_to_tm’? [-Werror=implicit-function-declaration] time_to_tm(time_nsec / NVSWITCH_NSEC_PER_SEC, 0, &t); ^~~~~~~~~~ time64_to_tm cc1: some … Continue reading →
NVIDIA – Patch Available for 415.18 – Works OK with Kernel 4.20.
Thanks to loqs, there is now a viable patch for NVIDIA and Kernel 4.20. I applied the patch to driver 415.18, and tested with Kernel 4.20-rc3, and the driver compiles cleanly, now: ……………………… ld -r -o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-modeset/nvidia-modeset-linux.o Building modules, stage 2. MODPOST 4 modules CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-drm.mod.o LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-drm.ko CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-modeset.mod.o LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-modeset.ko CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-415.18-420/kernel/nvidia-uvm.mod.o … Continue reading →
NVIDIA – 415.18 Released – Fixes PM Problem, but Still Fails with Kernel 4.20
NVIDIA driver 415.18 is out, and details are here: https://www.nvidia.com/Download/driverResults.aspx/140282/en-us The good news, is that it fixes the problem with kernel power-management (PM), which is no longer required for the driver to compile/load.: ……………….. ld -r -o /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-modeset/nvidia-modeset-linux.o Building modules, stage 2. MODPOST 4 modules CC /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-drm.mod.o LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-drm.ko CC /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-modeset.mod.o LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-415.18/kernel/nvidia-modeset.ko CC … Continue reading →
Kernel – 4.20-rc3 Released, OK with latest VMware, Still no NVIDIA Fix..
Kernel 4.20-rc3 is out, and brief details are here: http://lkml.iu.edu/hypermail/linux/kernel/1811.2/01363.html VMware 15.0.1 is still OK, but there is still no solution for NVIDIA. I posted details of my testing to the NVIDIA Forum over a week ago, but there has been no response, so far.. Robert Gadsdon. November 18, 2018.
Continue reading →NVIDIA – 4.20-rc1 Fix? – More Work Needed..
I created a combo runtime patch for NVIDIA 410.73 on Kernel 4.20-rc1, by combining the changes identified in my previous article ( see https://rglinuxtech.com/?p=2426 ) with the pm patch (see https://rglinuxtech.com/?p=2421 ). The result ran – eventually – after blanking/refreshing the display, with garbage characters at top/bottom, so all was obviously not OK.. ……………………… [ 121.826292] [drm] … Continue reading →
Kernel – 4.20-rc1 Released – OK with VMware, not with NVIDIA, and possible fix?
Kernel 4.20-rc1 is out, and brief details are here: http://lkml.iu.edu/hypermail/linux/kernel/1811.0/02531.html VMware 15.0 installs OK, but the latest NVIDIA fails.. (410.73 with the pm patch, if needed): …………………… /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.73-custom/kernel/nvidia/linux_nvswitch.c:1582:5: error: implicit declaration of function ‘time_to_tm’; did you mean ‘time64_to_tm’? [-Werror=implicit-function-declaration] time_to_tm(time_nsec / NVSWITCH_NSEC_PER_SEC, 0, &t); ^~~~~~~~~~ time64_to_tm ………………… I made the change to linux_nvswitch.c, and then: ………………………. /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.73-custom/kernel/nvidia-drm/nvidia-drm-gem-nvkms-memory.c:348:11: … Continue reading →
NVIDIA – 410.xx Runtime Segfault – Solved..
Solved: After more investigation, reinstalling the Xorg driver fixed the problem.. # dnf reinstall xorg-x11-server-Xorg After successfully patching the NVIDIA 410.73 driver (see previous article), I encountered another problem at runtime, after # startx : ………………………………. [ 145.489] (II) Initializing extension GLX [ 145.489] (II) AIGLX: Screen 0 is not DRI2 capable [ 145.489] (EE) AIGLX: reverting … Continue reading →
Kernel – 4.19 Released – OK with latest NVIDIA and VMware..
Apologies for the late arrival of this article, due to extended trip overseas, and hardware failure on return! RG. Kernel 4.19 is out, and brief details are here: http://lkml.iu.edu/hypermail/linux/kernel/1810.2/05220.html The info here is worth reading, as it includes more on the Linus kernel handover – and ‘hand-back’.. It is worth mentioning that some issues have already been … Continue reading →