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Adventures With Linux ™

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ARM64 – 8GB Pi4 – Fun with Fedora..

Adventures With Linux ™ Posted on July 18, 2020 by RGJuly 18, 2020

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 →

Posted in aarch64, compilation, Crash and Burn.., Fedora, Hacks, KDE, kernel, Linux / ARM, new install, Raspberry Pi 4 | Tagged 8gb, aarch64, fedora 32, fedora install, hybrid, kde/plasma too slow, opensuse efi substitute, opensuse u-boot, raspberry pi 4, success | Leave a reply

KDE/Plasma – Softlink to NTFS-3G Partition – Solution..

Adventures With Linux ™ Posted on March 26, 2019 by RGMarch 26, 2019

This is one of those not-sure-if-bug-or-feature issues..   On my dual-boot Fedora/Win7 system, I needed to access a ‘shared’ NTFS (ntfs-3g) partition.   When I came to add a softlink to the NTFS partition on the Plasma Desktop, the link existed, but nothing showed on the Desktop.    Other softlinks – to EXT4 partitions – displayed OK.   I tested with … Continue reading →

Posted in Fedora, KDE, Linux, Opinion, Plasma Desktop, quirks | Tagged faile sto display on desktop, kde plasma, softlink to ntfs-3g partion, solution, use link to location(url) | Leave a reply

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

Adventures With Linux ™ Posted on November 5, 2018 by RGNovember 5, 2018

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 http://rglinuxtech.com/?p=2426 ) with the pm patch (see http://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 →

Posted in Hacks, KDE, kernel, Linux, NVIDIA, Opinion | Tagged kernel 4.20-rc1, not ok, nvidia 410.73, patch, test | 2 Replies

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

Adventures With Linux ™ Posted on June 27, 2018 by RGJune 27, 2018

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 →

Posted in compilation, Fedora, fix, KDE, Linux, Opinion, patches, Performance | Tagged 5.9.6, display problem, dolphin, fedora 27, fix, kde, patch available, qt5 bug | Leave a reply

Hardware – Inexpensive Small Linux Laptop..

Adventures With Linux ™ Posted on May 3, 2017 by RGMay 3, 2017

After some research, I decided to use an Intel-powered ex-Chromebook for my portable Linux project..    I settled on an Acer Chromebook c720p, as this could be ‘converted’ to run Linux natively, rather than in emulation via Crouton..    There are several articles on this, but I found useful info (and a chassis/mobo diagram) here:  https://ankitrasto.wordpress.com/2015/02/06/clean-installing-linux-on-the-acer-c720pc720-chromebook-a-complete-guide/ If you are … Continue reading →

Posted in Chromebook, Fedora, Hacks, hardware, Intel, KDE, kernel, Linux, Opinion, Plasma Desktop | Tagged bluetooth mouse, chromebook c720p, fedora 26, kde/plasma, kernel 4.11, native linux install | 1 Reply

KDE – Plasma Update May Lose ‘Favorites’, and a Fix..

Adventures With Linux ™ Posted on December 9, 2015 by RGDecember 9, 2015

Updated to the latest Plasma Desktop, on one of my systems (Fedora 23, x86_64), and found that the ‘Favorites’ had all vanished, apart for xterm..    My other x86_64 system updated OK, with all the ‘Favorites’ intact.. Rather than hunt down all the apps and ‘add to favorites’ for each one, I found the old Favorites again, as … Continue reading →

Posted in Fedora, Hacks, KDE, Linux, Performance, Plasma Desktop | Tagged fix, kde, plasma desktop, some systems ok, update loses favorites | Leave a reply

ARM – Odroid U3 with Kernel 3.18-rc4 – Better, but still Slow…

Adventures With Linux ™ Posted on November 10, 2014 by RGNovember 10, 2014

Just installed the kernel.org version of kernel 3.18-rc4 on the Odroid U3, and this time it completed the boot, but still had a ‘tombstone’: …………… cam-power-domain: Power-on latency exceeded, new value 413333 ns cam-power-domain: Power-on latency exceeded, new value 564291 ns Unable to handle kernel NULL pointer dereference at virtual address 00000010 pgd = ee328000 [00000010] *pgd=00000000 … Continue reading →

Posted in compilation, Crash and Burn.., Hacks, KDE, kernel, Linux / ARM, Odroid, Opinion, Performance | Tagged boot success, cpu fan running constantly, kernel 3.18-rc4, kernel.org version, odroid u3, performance sluggish, tombstone | 2 Replies

3.11.2 – Better now?

Adventures With Linux ™ Posted on September 27, 2013 by RGSeptember 27, 2013

I had been experiencing occasional problems with X and KDE with the previous 3.11 kernel versions, and had reverted to 3.10.12, but have just updated to 3.11.2, and it seems to be better – so far…. VMware 10 compiles and runs OK, and NVIDIA 319.49 – with the 3.11 patch – works OK.    I have seen reports … Continue reading →

Posted in compilation, Hacks, KDE, kernel, Linux, NVIDIA, Opinion, VMware | Tagged 3.12 illegal nvidia hack, kernel 3.11.2, nvidia 3.19.49, success, vmware 10, with patch | 2 Replies

Kernel 3.10.1, and All is Well..

Adventures With Linux ™ Posted on July 16, 2013 by RGJuly 16, 2013

Installed Kernel 3.10.1 on my main system, and everything seems to be working OK.. Changelog at: https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.1 VMware 9.02 – with the 3.10 patches for vmnet and vmblock – compiles and runs, and NVIDIA 319.32 – with the 3.10 patch – compiles and runs OK, as well.     With 3.10.0, I had problems with sound and the KDE … Continue reading →

Posted in compilation, Fedora, KDE, kernel, Linux, NVIDIA, Performance, VMware | Tagged 3.10 patches, archlinux wiki, kernel 3.10.1, nvidia 319.32, success, vmware 9.02 | Leave a reply

Tried 3.10 – Back to 3.9.9, for the Time Being..

Adventures With Linux ™ Posted on July 6, 2013 by RGJuly 6, 2013

I had tried running kernel 3.10, but encountered several problems..   The KDE desktop would ‘hang’, and the wifi connections (rt2800, using NetworkManager) refused to connect, most of the time, and kmix (sound mixer app) wouldn’t run.. I had tried all the ‘patched’ NVIDIA drivers, and found that the ‘old’ 310.51 driver compiled OK, but didn’t work correctly … Continue reading →

Posted in compilation, Crash and Burn.., Fedora, KDE, kernel, Linux, NVIDIA, VMware | Tagged hang, kde, kernel 3.10, kmix, networkmanager, nvidia, problems, revert to 3.9.9, vmware | Leave a reply

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