Category Archives: Fedora

Fedora Linux distribution..

Kernel – 5.19-rc1 Released. OK With Patched VMware, and a Hack for NVIDIA..

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Kernel 5.19-rc1 is out, and details are here:  https://lkml.iu.edu/hypermail/linux/kernel/2206.0/04428.html There is a patchset for VMware 16.2.3, at https://github.com/mkubecek/vmware-host-modules/tree/tmp/workstation-16.2.3-k5.19 .   I have tested this with 5.19-rc1, and VMware compiles and loads/runs OK. The latest NVIDIA driver (515.48.07) compile fails, but a hack is to edit NVIDIA-Linux-x86_64-515.48.07/kernel/nvidia-drm/nvidia-dma-resv-helper.h and NVIDIA-Linux-x86_64-515.48.07/kernel/nvidia-drm/nvidia-drm-prime-fence.c and change nv_dma_resv_add_excl_fence to dma_resv_add_excl_fence After this, the driver compiles … Continue reading →

ARM64 – Pi 4 USB Problems – And a Messy Fix..

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After some delay, I finally had a ‘good’ cooling solution for my 8GB Pi4, and resumed testing.. The last Kernel version I had running on it was 5.9-rc4, and everything seemed to be working OK (including 8GB of memory recognised). I then updated to 5.11.18, and found that none of the USB ports worked: # dmesg |grep … Continue reading →

Compiler – Fun with CLANG – Kernel, NVIDIA, and VMware…

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I have been carrying out some preliminary tests to see how feasible it is to compile the Linux Kernel, and NVIDIA drivers, and VMware, using the ‘alternative’ to GCC – CLANG.. The kernel compile is relatively easy, and well documented: # make CC=clang HOSTCC=clang -j8 (for a 4-core system) The compile seems to be slower than GCC, … Continue reading →

ARM – Vim3-Pro – with EFI and Fedora 33..

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Recently acquired one of the Khadas VIM3-Pro arm64 SoCs, and was impressed with the level of documentation available.. Unfortunately – as is so often the case – this was all relentlessly Ubuntu-focussed, with a semi-proprietary kernel based on the 4.X kernel tree.. At least the U-Boot version was fairly recent, and appeared to support EFI etc.. The … Continue reading →

Fedora – Fun with ZRAM..

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Fedora 33 will be using ZRAM as standard for swap, rather than a partition or swapfile on disk.    I had no problem with this on a new F33 install (Odroid H2Plus) but after upgrading an existing Fedora 32 system it refused to initialise, and ‘/dev/zram0‘ did not exist.    Research revealed that the documentation for much of this … Continue reading →

VirtualBox – Latest Development Version Tests with Kernel 5.8 – Unstable..

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I have been investigating alternatives, as VMware is currently a non-starter (literally..) with Kernel 5.8.. I installed the latest VirtualBox (6.1.97 r139689) from SVN (another blast from the past…) and managed – after some messing around – to get it to compile OK on my Fedora 32 test system with Kernel 5.8 (from kernel.org..)    I had … Continue reading →

ARM64 – 8GB Pi4 – Fun with Fedora..

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My 8GB Raspbery Pi 4 finally arrived, and I was looking forward to trying Fedora 32 and KDE/Plasma on it, and comparing it to the Odroid N2 from a few months back.. ( http://rglinuxtech.com/?p=2689 ) The Fedora 32 aarch64 install is supposed to support the Pi 4 now, but the resulting sdcard image failed to boot, with … Continue reading →

Kernel – 5.8-rc2 – Still Catastrophic Failure with VMware Runtime.

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Kernel 5.8-rc2 has been released, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/2006.2/08747.html There is no change to the problem with VMware runtime, and vmware-modconfig still segfaults, and the system still reboots immediately, when a VM open is attempted. To check that this was not due to a kernel misconfiguration, I installed the Fedora (Rawhide) version of Kernel 5.8-rc1 … Continue reading →

Kernel – 5.8-rc1 Released – Problem with VMware Runtime..

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Kernel 5.8-rc1 has been released, and details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2006.1/07293.html NVIDIA 440.82 with the 5.7 and 5.8 patches seems to be OK, but I have encountered a serious problem with VMware, and have now confirmed the same fault on two different systems (both Fedora 32 x86_64) The VMware 15.5.6 vmmon/vmnet modules compile/run OK with the kernel 5.7 … Continue reading →