Category Archives: Linux

Kernel – 5.10-rc1 Pre-Testing.. NVIDIA fails, Patched VMware OK..

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As 5.10-rc1 should be out on Sunday, I did a quick compile test of the interim code available now (October 20th).. NVIDIA 455.28 compile fails: CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-acpi.o CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-cray.o CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-dma.o /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-dma.c: In function ‘nv_dma_is_map_resource_implemented’: /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-dma.c:631:37: error: implicit declaration of function ‘get_dma_ops’ [-Werror=implicit-function-declaration] 631 | const struct dma_map_ops *ops = get_dma_ops(dma_dev->dev); | ^~~~~~~~~~~ /home/rgadsdon/NVIDIA-Linux-x86_64-455.28/kernel/nvidia/nv-dma.c:631:37: … Continue reading →

NVIDIA – An Acceptable ‘Taint’ Workaround for Kernel 5.9..

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Thanks to mbod, there is a simple kernel patch to restore the Kernel 5.8 ‘inherited taint’ behaviour to Kernel 5.9, and the detail is in this thread:  https://forums.developer.nvidia.com/t/opencl-not-working-with-kernel-5-9/156941/6 I have applied this to Kernel 5.9.0, and NVIDIA driver 455.28 now installs and loads/runs OK.    Until a proper fix is available, this will – of course – need … Continue reading →

Kernel – 5.9 Final – NVIDIA Still ‘Tainted’..

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Kernel 5.9 has finally been released, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/2010.1/02900.html The latest NVIDIA drivers still fail to install completely, with nvidia-uvm ‘tainted’: [ 710.097439] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 455.28 Wed Sep 30 01:05:16 UTC 2020 [ 710.099400] nvidia_uvm: module uses symbols from proprietary module nvidia, inheriting taint. [ 710.099488] nvidia_uvm: Unknown symbol … Continue reading →

Kernel – Fix for 5.9-rc6 Compile Fail..

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A fix has now been produced, for the dax compile fail with 5.9-rc6: Reported: http://lkml.iu.edu/hypermail/linux/kernel/2009.2/07060.html Fix: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=88b67edd7247466bc47f01e1dc539b0d0d4b931e I have tested this, and the kernel now compiles OK, and loads/runs as expected.. Robert Gadsdon.   September 21st 2020.

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Kernel – 5.9-rc6 – Rare Compile Fail!

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Kernel 5.9-rc6 has been released, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/2009.2/05870.html In a very rare occurrence, the kernel compile actually fails: …………………………….. CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool CHK include/generated/compile.h CC drivers/dax/super.o drivers/dax/super.c:325:6: error: redefinition of ‘dax_supported’ 325 | bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, | ^~~~~~~~~~~~~ In file included from drivers/dax/super.c:16: ./include/linux/dax.h:162:20: note: previous definition … Continue reading →

NVIDIA – New Beta Driver – Compiles OK with Kernel 5.9, but Still Has ‘Tainted’ Issue….

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NVIDIA have released beta driver 455.23.04, and details are here:  https://www.nvidia.com/Download/driverResults.aspx/163518/en-us This compiles OK with Kernel 5.9 – tested with 5.9-rc5 – but still suffers from the ‘tainted’ problem with nvidia-udm: …………………… [356113.979463] nvidia_uvm: module uses symbols from proprietary module nvidia, inheriting taint. [356113.987691] nvidia_uvm: Unknown symbol radix_tree_preloads (err -2) [356113.993562] nvidia_uvm: Unknown symbol set_cpus_allowed_ptr (err -2) … Continue reading →

VMware – Workstation 16.0.0 Released – OK with Kernel 5.8, and 5.9-rc..

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VMware have now released Workstation Pro 16.0.0, and details are here:  https://docs.vmware.com/en/VMware-Workstation-Pro/16/rn/VMware-Workstation-16-Pro-Release-Notes.html This version now works correctly – and compiles, with multiple warnings – on Kernel 5.8 (tested with 5.8.9) and also on Kernel 5.9-rc5. To fix the messy compile – and thanks again to Michal Kubeček – there is a patchset for vmmon/vmware available, here:  https://github.com/mkubecek/vmware-host-modules/tree/workstation-16.0.0 … Continue reading →

Kernel – 5.9-rc5 – Patched VMware Still OK, NVIDIA still ‘Tainted’..

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Kernel 5.9-rc5 is out, and brief details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2009.1/06650.html The patched vmmon/vmnet for VMware 15.5.6 still work OK, and the workaround for the runtime segfault etc. is in a previous article, here: https://rglinuxtech.com/?p=2819 .    Note that the 5.8/5.9 fix is now incorporated in the usual 15.5.6 patchset, here:  https://github.com/mkubecek/vmware-host-modules/tree/workstation-15.5.6 NVIDIA with the partial 5.8/5.9 patches still … Continue reading →

VMware – 5.8 Fix now merged with 15.5.6 Patchset..

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The fixes for Kernel 5.8 (and 5.9-rc..) support have now been incorporated in the usual VMware vmmon/vmnet 15.5.6 patchset, at: https://github.com/mkubecek/vmware-host-modules/tree/workstation-15.5.6.     Thanks are due to baryonix and mkubecek .. Robert Gadsdon.   September 6th 2020.

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Kernel – 5.9-rc4 Released. VMware 5.8 patch works. NVIDIA Still Tainted..

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Kernel 5.9-rc4 is out, and details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2009.0/06783.html The new VMware  ‘kernel 5.8’ patchset ( https://rglinuxtech.com/?p=2819 ) works with 5.9-rc4, but nvidia-drm from driver 450.66 still shows as ‘tainted’.    It is possible to get a graphical screen by just using the nvidia.ko module by itself.. Robert Gadsdon.   September 6th 2020.

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