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Adventures With Linux ™
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Kernel – 5.12-rc1 – USB-related Crash..

Adventures With Linux ™ Posted on March 1, 2021 by RGMarch 1, 2021

After running kernel 5.12-rc1 for short time, it crashed: ……………………………. usb 1-1.1.1.5: USB disconnect, device number 11 usb 1-1.1.1.5.4: USB disconnect, device number 12 cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 BUG: kernel NULL pointer dereference, address: 0000000000000278 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) – not-present page PGD 0 P4D 0 Oops: 0000 … Continue reading →

Posted in Crash and Burn.., kernel, Linux, Opinion, USB | Tagged BUG kernel NULL pointer, crash, kernel 5.12-rc1, usb | 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

Kernel – 5.9-rc1 Released – VMware Still Broken.. NVIDIA Compile Fails..

Adventures With Linux ™ Posted on August 16, 2020 by RGAugust 16, 2020

Kernel 5.9-rc1 is out, and brief details are here: http://lkml.iu.edu/hypermail/linux/kernel/2008.2/00223.html As expected, VMware is still broken, and fails/reboots when a VM start is attempted. Vmnet, with the latest patch, compiles OK, and there is a patch for vmmon and Kernel 5.9 available, for the Workstation 16 early-release, here: https://github.com/mkubecek/vmware-host-modules/tree/tmp/workstation-16 With regard to NVIDIA, the interim patch for … Continue reading →

Posted in Crash and Burn.., kernel, Linux, NVIDIA, Opinion, VMware | Tagged kernel 5.9-rc1, nvidia compile fails, vmmon vmnet patches available, vmware still broken | 2 Replies

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

Adventures With Linux ™ Posted on August 3, 2020 by RGAugust 4, 2020

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 →

Posted in Crash and Burn.., Fedora, Hacks, kernel, Linux, Opinion, VirtualBox, working | Tagged fedora guest ok, installs ok, Kernel 5.8, virtualbox 6.1.97r139689 | Leave a reply

Kernel – 5.8 Released – NVIDIA OK, but VMware Runtime Causes Reboot, With No Warning..

Adventures With Linux ™ Posted on August 2, 2020 by RGAugust 2, 2020

Kernel 5.8 is out, and details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2008.0/00586.html The (patched) VMware 15.5.6  vmmon/vmnet modules compile OK, and the latest NVIDIA driver 450.57 compiles and runs OK. However….    I cannot upgrade my main systems, as the catastrophic VMware runtime reboot still occurs, as mentioned in previous articles: $ uname -a Linux rgz220 5.8.0 #2 SMP Sun Aug … Continue reading →

Posted in Crash and Burn.., kernel, Linux, NVIDIA, Opinion, VMware | Tagged failure, Kernel 5.8, nvidia 450.57 ok, released, vmware runtime immediate reboot, vmware vmmon vmnet ok | 5 Replies

VMware – Kernel 5.8 is a Serious Problem?

Adventures With Linux ™ Posted on July 19, 2020 by RGJuly 19, 2020

Since the release of Kernel 5.8-rc1, any attempt I made to run a VMware client on that host system has failed catastrophically. ( see http://rglinuxtech.com/?p=2753 ) and the problem still persists, with 5.8-rc6. I had posted brief details of the issue on the VMware forum some weeks ago, but there has been no useful response. https://communities.vmware.com/thread/638457 I … Continue reading →

Posted in Crash and Burn.., kernel, Linux, Opinion, VirtualBox, VMware | Tagged incompatible, Kernel 5.8, no solution yet, problem, virtualbox, vmware | 2 Replies

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

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

Adventures With Linux ™ Posted on June 22, 2020 by RGJune 22, 2020

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 →

Posted in Crash and Burn.., Fedora, kernel, Linux, Opinion, VMware | Tagged kernel 5.8-rc2 released, problems occurs with fedora 33 5.8-rc1 kernel., vmware runtime reboot still occurs, vmware-modconfig segfault | 1 Reply

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

Adventures With Linux ™ Posted on June 14, 2020 by RGJune 14, 2020

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 →

Posted in Crash and Burn.., Fedora, kernel, Linux, NVIDIA, Opinion, VMware | Tagged Kernel 5.8-rc1 released, patched nvidia ok, reboot when loading vm, vmware runtime segfault | Leave a reply

Kernel – Pre-Release Tests for 5.6-rc1 ..

Adventures With Linux ™ Posted on February 6, 2020 by RGFebruary 6, 2020

Kernel 5.6-rc1 should be out on Sunday, February 9th, but I noticed that early-version-test patches are already available for VMware 15.5.1, here:  https://github.com/mkubecek/vmware-host-modules/tree/tmp/workstation-15.5.1-k5.6 These patches gave clues to what might affect NVIDIA as well, and I managed to get a GIT version of 5.6-rc1-pre (dated February 5th) to compile OK, and was able to use this.   Of … Continue reading →

Posted in compilation, Crash and Burn.., fix, Hacks, kernel, Linux, NVIDIA, Opinion, patches, success, VMware | Tagged kernel 5.6-rc1 pre-release, nvidia 440.59 patches, success, testing, vmware 15.5.1 patch | Leave a reply

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