Category Archives: Hacks

NVIDIA – Fix for 418.43 to Work with Kernel 5.1-rc1..

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I have done some more investigation into the NVIDIA compile failures with Kernel 5.1-rc1, and now have a – rather inelegant – solution. I found clues to some of the errors in a post relating to nouveau: https://lkml.org/lkml/2019/2/20/50 and the rest were due to content removed from /include/drm/drm_crtc_helper.h in Kernel 5.1-rc1: https://elixir.bootlin.com/linux/v5.1-rc1/source/include/drm/drm_crtc_helper.h compared to: https://elixir.bootlin.com/linux/v5.0.3/source/include/drm/drm_crtc_helper.h.  I also … Continue reading →

New Install – Dual-Boot, Serial Console, Intel Ethernet Issues – Fixed..

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Setting up an old HP8000 desktop small-form-factor system as a crash-and-burn test system, with dual-boot Fedora 29 and Windows 7, on separate drives. First slight gotcha with the Fedora install: The installation utility shows the two disks, the first of which has Windows 7 (sda) and the second – additional – was for the Fedora Linux install … Continue reading →

NVIDIA – 4.20-rc1 Fix? – More Work Needed..

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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 →

NVIDIA – 396.54 Patched for Kernel 4.19-rc1 – OK for Some?

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Thanks to Tomas Pruzina for more info on this problem…    I have now tested NVIDIA 396.54 – patched with the changes mentioned in my previous article – and it runs OK on my system (Fedora 28, KDE/Plasma).    I created a patched runtime version of the installer, and then (as root) installed it as usual: # ./NVIDIA-Linux-x86_64-396.54-419.run -s … Continue reading →

Kernel – 4.19-rc1 – OK with VMware, breaks NVIDIA – and Possible Fix..

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Kernel 4.19-rc1 has been released, and very brief details of changes are here: http://lkml.iu.edu/hypermail/linux/kernel/1808.3/01014.html VMware 14.1.3 compiles/loads OK, but NVIDIA (396.54) compile failed: …………………. /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-396.54/kernel/nvidia-drm/nvidia-drm-encoder.c:219:11: error: implicit declaration of function ‘drm_mode_connector_attach_encoder’; did you mean ‘drm_connector_attach_encoder’? [-Werror=implicit-function-declaration] ret = drm_mode_connector_attach_encoder(connector, encoder); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drm_connector_attach_encoder cc1: some warnings being treated as errors ……………….. – and a similar error with nvidia-drm-connector.c … Continue reading →

PA-RISC – Back to the Future (Again..)

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As part of my quest to test Linux on more obscure/historical hardware, and given that the theme was ‘HP’ after my perilous foray into the world of Linux on IA64, I have now acquired (eBay!) an ‘inexpensive’ PA-RISC system – HP 9000/785 C3700 – after upgrading from an older C3000, and adding some more up-to-date IO cards.. … Continue reading →

X86_64 – Fedora Upgrade on Intel ‘Apollo Lake’ System Disables EFI boot – and Fix

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The Intel SOC AP42 system is not supported by Grub2-EFI, but boots using rEFInd (see article at https://rglinuxtech.com/?p=2021 ). I had hoped to prevent the ‘automatic’ (re)install of grub2-efi etc by masking the (minimal) grub installation of grubby etc. – necessary to support the Kernel # make install function – using # rpm -e –justdb –nodeps <package>.  … Continue reading →

Kernel – 4.18-rc2 is Out – Includes fix for VMware Runtime, OK with Latest Patched VMware and NVIDIA.

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Kernel 4.18-rc2 has been released, and brief details of changes from -rc1 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1806.3/00112.html This includes the cmdline fix, which enables the VMware runtimes to execute correctly.   The VMware 14.1.2 vmmon patch is still required (see https://rglinuxtech.com/?p=2322 ) NVIDIA 390.67 compiles OK, with the nvidia-drm-drv.c patch (see https://rglinuxtech.com/?p=2315 ) Robert Gadsdon.  June 24, 2018.

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VMware – New Version of 4.18-rc1 ‘cmdline’ Patch..

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As expected, there is another version of the cmdline patch for Kernel 4.18-rc1 – this time from Linus himself.. at  http://lkml.iu.edu/hypermail/linux/kernel/1806.2/03011.html I have applied this, and – as with the previous version –  VMware now behaves correctly.. I should mention that is is not a good idea to try to copy/paste patches from a website newsgroup listing, … Continue reading →

VMware – Odd Behaviour with Kernel 4.18-rc1, and a Workaround?

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VMware 14.1.2 worked OK with Kernel 4.17, on my Fedora 28 test system, but after updating to 4.18-rc1 the following occurred: Modules (vmmon/vmnet) compiled OK, but – after further testing – appeared to have a runtime problem..    I applied the vmmon patches from Michal Kubeček, at https://github.com/mkubecek/vmware-host-modules/commit/3f2a6c720f68 and this also compiled cleanly. When I ran # vmware-modconfig … Continue reading →