Category Archives: compilation

Kernel – 5.0-rc1 Released – Breaks NVIDIA and VMware..

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Kernel 5.0-rc1 is out, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/1901.0/02536.html Compiling NVIDIA 410.93 fails: …………………….. CC [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.93/kernel/nvidia/os-interface.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.93/kernel/nvidia/os-interface.c: In function ‘os_get_current_time’: /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.93/kernel/nvidia/os-interface.c:434:5: error: implicit declaration of function ‘do_gettimeofday’; did you mean ‘efi_gettimeofday’? [-Werror=implicit-function-declaration] do_gettimeofday(&tm); ^~~~~~~~~~~~~~~ efi_gettimeofday cc1: some warnings being treated as errors make[3]: *** [/usr/src/linux-5.0-rc1/scripts/Makefile.build:277: /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.93/kernel/nvidia/os-interface.o] Error 1 make[2]: *** [/usr/src/linux-5.0-rc1/Makefile:1553: _module_/home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.93/kernel] Error 2 make[2]: … Continue reading →

NVIDIA – GPL Problem with Kernel 4.18, But only for Some.. Fixed in 4.18-rc7.

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Thanks to towo, for pointing out that some others have had GPL issues with the latest NVIDIA drivers and Kernel 4.18-rc6, even though they compiled/loaded OK on my test system, as reported in an earlier article.. …………… ld -r -o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset/nvidia-modeset-linux.o Building modules, stage 2. MODPOST 4 modules CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-drm.mod.o LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-drm.ko CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset.mod.o LD … Continue reading →

NVIDIA – GPL Problem with Kernel 4.18, But only for Some.. Fixed in 4.18-rc7.

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Thanks to towo, for pointing out that some others have had GPL issues with the latest NVIDIA drivers and Kernel 4.18-rc6, even though they compiled/loaded OK on my test system, as reported in an earlier article.. …………… ld -r -o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset/nvidia-modeset-linux.o Building modules, stage 2. MODPOST 4 modules CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-drm.mod.o LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-drm.ko CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-390.77/kernel/nvidia-modeset.mod.o LD … Continue reading →

Fedora – Fix For Annoying F27 KDE/Dolphin QT Bug..

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The latest version of QT5 on Fedora 27 – qt5-qtbase-5.9.6-1.fc27.x86_64 – produces a very annoying display problem in KDE’s Dolphin file manager, where the window does not resize/reformat correctly, leaving large blank areas at each side: This has been identified as a QT5 bug/regression, and a patch is available, at https://codereview.qt-project.org/#/c/233482/ I have applied this, and Dolphin … 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 http://rglinuxtech.com/?p=2322 ) NVIDIA 390.67 compiles OK, with the nvidia-drm-drv.c patch (see http://rglinuxtech.com/?p=2315 ) Robert Gadsdon.  June 24, 2018. … 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 →

Kernel – 4.17-rc6 Out – Includes GCC8 Compile Fixes..

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Kernel 4.17-rc6 has been released, and details of changes since -rc5 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1805.2/03965.html This version is still OK with the latest VMware (14.1.1) and NVIDIA (396.24) drivers, but also includes fixes for repeated GCC8 / objtool warnings at compile time: ………………. Josh Poimboeuf (5): ………. objtool: Support GCC 8’s cold subfunctions objtool: Support GCC 8 switch … Continue reading →

Kernel – 4.17-rc6 Out – Includes GCC8 Compile Fixes..

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Kernel 4.17-rc6 has been released, and details of changes since -rc5 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1805.2/03965.html This version is still OK with the latest VMware (14.1.1) and NVIDIA (396.24) drivers, but also includes fixes for repeated GCC8 / objtool warnings at compile time: ………………. Josh Poimboeuf (5): ………. objtool: Support GCC 8’s cold subfunctions objtool: Support GCC 8 switch … Continue reading →

Kernel – GCC8 / ‘Objtool Warnings’ Patches..

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There are now patches available to deal with the host of ‘objtool‘ warnings when compiling the kernel with GCC8: …………………………….. drivers/video/fbdev/core/fbmem.o: warning: objtool: fb_set_var()+0x209: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbmem.o: warning: objtool: do_remove_conflicting_framebuffers()+0xa6: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbmem.o: warning: objtool: register_framebuffer()+0x14b: sibling call from callable instruction with modified … Continue reading →

GCC – Update to 8.1.1 – Still Gives Kernel Compile Warnings..

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Fedora 28 has GCC 8.1.1 available (currently in ‘updates-testing‘ repo), and I tested this with Kernel 4.17-rc4, to see if there was any improvement in the horde of warnings generated with 8.0.1. In short, there is no real difference: ……………………………… CC security/keys/request_key.o arch/x86/kvm/lapic.o: warning: objtool: kvm_lapic_reg_read()+0x126: sibling call from callable instruction with modified stack frame arch/x86/kvm/lapic.o: warning: … Continue reading →