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Fedora – Fun with ZRAM..

Adventures With Linux ™ Posted on September 4, 2020 by RGSeptember 4, 2020

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 →

Posted in alpha release, boot, Fedora, fix, Hacks, kernel, Linux, Opinion | Tagged /dev/zram0 missing, fedora 33, fix, old config, swap, upgrade, zram | Leave a reply

ARM64 – Fedora 33 Pre-release Kernel Boot Problem – and Workaround..

Adventures With Linux ™ Posted on August 26, 2020 by RGAugust 26, 2020

I have been testing Fedora 33 pre-release, and on x86_64 it seems relatively stable (usual caveats…) but on arm64 systems (Odroid N2 and Pi4) I found that after compiling a new kernel (5.8.3), the system booted, but login was impossible, and screen output was missing  (uart/console was OK). Kernels compiled with Fedora 32 all booted OK, and … Continue reading →

Posted in aarch64, ARM64, boot, compilation, Crash and Burn.., Fedora, Hacks, kernel, Linux / ARM, Odroid N2, Opinion | Tagged arm64, boot problem, cross-compile, fedora 33, kernel 5.8.3, login imposssible, modules not loading, timeout, workaround, x86_64 ok | Leave a reply

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

Adventures With Linux ™ Posted on July 15, 2018 by RGJuly 15, 2018

The Intel SOC AP42 system is not supported by Grub2-EFI, but boots using rEFInd (see article at http://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 →

Posted in Apollo Lake, boot, Fedora, fix, Hacks, Intel, kernel, Linux, Opinion | Tagged altlinux rescue disk, efi disabled, fedora upgrade, fix, intel soc, refind | Leave a reply

Fedora – F28 GCC 8 Now OK with Kernel 4.16.7, and fix for Grub-Customizer..

Adventures With Linux ™ Posted on May 2, 2018 by RGMay 2, 2018

Tried Kernel 4.16.7 on Fedora 28 (GCC 8.0.1), and this now compiles successfully, although still with a lot of ‘warnings’.. I use grub-customizer with each new kernel, and the F28 version of this fails: # grub-customizer Error creating proxy: The connection is closed (g-io-error-quark, 18) *** initializing (w/o specified bootloader type)… * reading partition info… /usr/include/c++/8/bits/basic_string.h:1048: std::__cxx11::basic_string<_CharT, … Continue reading →

Posted in boot, compilation, Fedora, fix, gcc, kernel, Linux | Tagged fedora 28, fix, gcc 8, grub-customizer abort, ok with kernel 4.16.7 | 1 Reply

Linux – Dual-Boot Nasty Hack..

Adventures With Linux ™ Posted on March 14, 2018 by RGMarch 14, 2018

I am setting up an HP Z820 as – primarily – a video creating/editing/restoring system, but I need to be able to boot into Windows 7 Pro (for Vegas Pro, AviSynth, Prodrenalin, Mercalli, etc. etc..) and Linux (Fedora)..   I had set up dual-boot systems before, and I am still using Windows 7 Pro SP1, but this time … Continue reading →

Posted in boot, dual-boot, Fedora, fix, grub, Hacks, Linux, Opinion, quirks, UEFI, Win 7 | Tagged dual-boot, fedora entry missing, fix, grub2, hack, linux, substitute, success, uefi, windows 7, z820 | Leave a reply

Linux – Dual-Boot Nasty Hack..

Adventures With Linux ™ Posted on March 14, 2018 by RGMarch 14, 2018

I am setting up an HP Z820 as – primarily – a video creating/editing/restoring system, but I need to be able to boot into Windows 7 Pro (for Vegas Pro, AviSynth, Prodrenalin, Mercalli, etc. etc..) and Linux (Fedora)..   I had set up dual-boot systems before, and I am still using Windows 7 Pro SP1, but this time … Continue reading →

Posted in boot, dual-boot, Fedora, fix, grub, Hacks, Linux, Opinion, quirks, UEFI, Win 7 | Tagged dual-boot, fedora entry missing, fix, grub2, hack, linux, substitute, success, uefi, windows 7, z820 | Leave a reply

Fedora – 26-27 DNF Upgrade Woes, and a Workaround..

Adventures With Linux ™ Posted on November 15, 2017 by RGNovember 25, 2017

After upgrading four Fedora systems (x86_64) from release 26 to 27, using # dnf system-upgrade download –refresh –releasever=27 –allowerasing –nogpgcheck –best -y, two of these worked OK, but two failed – with a sudden reboot, back to F26 – and no (apparent) error displayed, after # dnf system-upgrade reboot had rebooted the system, and the upgrade process … Continue reading →

Posted in boot, Fedora, fix, Hacks, Linux, Opinion, quirks, success | Tagged 27 upgrade, dnf system-upgrade, fail, fedora, fix, reboot, workaround | 4 Replies

Hardware – UEFI Bios for Linux ‘Chromebook’

Adventures With Linux ™ Posted on August 11, 2017 by RGAugust 11, 2017

The original ‘SeaBios’ BIOS on my Acer c720p was a little clunky, so I decided to make the plunge and update it to a ‘proper’ Linux-friendly BIOS..    There is a known/good one available, but it is UEFI-only, so will involve changing the filesystem/partition layout on an existing system.. Disk /dev/sda: 119.2 GiB, 128035676160 bytes, 250069680 sectors … Continue reading →

Posted in boot, Chromebook, hardware, Intel, Linux, UEFI, X86_64 | Tagged c720p, chromebook, fedora, install, linux, new bios, reformat, success, uefi | Leave a reply

Kernel – 4.11-rc1 and BTRFS – a Warning..?

Adventures With Linux ™ Posted on March 14, 2017 by RGMarch 14, 2017

I encountered a catastrophic problem with btrfs formatted system disk partition corruption, shortly after updating a test system to Kernel 4.11-rc1. To put this in context, this may be an isolated incident, and I have not seen problems – so far – mentioned elsewhere..    But.. there a quite a lot of BTRFS changes on 4.11, and – … Continue reading →

Posted in boot, BTRFS, Crash and Burn.., Hacks, kernel, Linux, Opinion, Performance | Tagged bad block, btrfs errors, kernel 4.11-rc1, open_ctree failed, recovery failure | 1 Reply

ARM64 – Odroid C2 – Kernel 4.10-rc Config Example..

Adventures With Linux ™ Posted on January 15, 2017 by RGJanuary 15, 2017

As Odroid C2 support by the ‘mainline’ kernel is – hopefully – nearing completion, I have put a sample of my Kernel config at http://pastebin.com/XWfMEWHx . The C2 is used for ‘headless’ operation, at present, and USB still does not work..    The kernel is 4.10-rc3, with the ‘Ethernet-TX’ dts patch applied.. (see http://rglinuxtech.com/?p=1872 ). Robert Gadsdon.   January … Continue reading →

Posted in aarch64, ARM64, boot, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged 4.10-rc3, ethernet tx patch, odroid c2, sample kernel config | 3 Replies

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