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NVIDIA – GCC15 on Fedora 42 Wrecks Compilation – and a Workaround..

Adventures With Linux ™ Posted on March 15, 2025 by RGMarch 15, 2025

Recently updated the test system to Fedora 42, and everything seemed OK (including the latest VMware Workstation) – except the NVIDIA driver install.. The latest driver 570.124.04 compiles and installs OK with GCC14 and Fedora 41, on 6.13.x and also 6.14-rc kernels, but the NVIDIA source install scripts/tests etc. seem to be completely useless when compiling under … Continue reading →

Posted in compilation, Fedora, Hacks, kernel, Linux, NVIDIA, Opinion | Tagged compiled kernel, fedora 42, gcc 15, gcc for fedora 42 available, install fails, nvidia, options, workaround | Leave a reply

NVIDIA – Kernel 6.11 support, and possible GTX10XX blank screens again..

Adventures With Linux ™ Posted on November 2, 2024 by RGNovember 2, 2024

Further testing for Kernel 6.11 support: All latest versions (as of November 2nd 2024), fail to load/run with Kernel 6.11.x, with the same error: ld -r -o /home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/nvidia-modeset/nvidia-modeset-linux.o /home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/nvidia-modeset/nv-kthread-q.o MODPOST /home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/Module.symvers ERROR: modpost: “drm_fbdev_ttm_setup” [/home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/nvidia-drm.ko] undefined! make[3]: *** [scripts/Makefile.modpost:145: /home/rgadsdon/NVIDIA-Linux-x86_64-565.57.01/kernel/Module.symvers] Error 1 make[2]: *** [/usr/src/linux-6.11.6/Makefile:1878: modpost] Error 2 make[1]: *** [Makefile:224: __sub-make] Error 2 make[1]: Leaving … Continue reading →

Posted in compilation, Hacks, kernel, Linux, NVIDIA, Opinion | Tagged blank screen again?, drm_fbdev_ttm_setup, executable quirks, kernel 6.11, nvidia, simple fix, workaround | Leave a reply

Fedora – Recent F40 update breaks QT Applications.. and a Nasty Workaround..

Adventures With Linux ™ Posted on April 3, 2024 by RGApril 4, 2024

I have recently been involved in bug reports etc for a new problem in Fedora 40, where a recent update has effectively broken all QT applications, resulting in KDE not functioning, and even # make xconfig is broken. The Fedora bug report is here:  https://bugzilla.redhat.com/show_bug.cgi?id=2272758 The problem is: # kwrite Illegal instruction (core dumped) # kate Illegal … Continue reading →

Posted in Bug, Fedora, fix, gcc, Hacks, KDE, Linux, Opinion, Plasma Desktop, Workaround | Tagged fedora 40, hack, illegal instruction, qt broken, temporary fix, workaround | 1 Reply

Fedora – F38 – ‘Old’ RPMs Gotcha, and Workaround..

Adventures With Linux ™ Posted on February 27, 2023 by RGFebruary 27, 2023

Testing Fedora 38, and found a problem with some ‘legacy’ RPMs.. Fedora 38 now strictly enforces SHA256 for all RPMs and older/third-party ones still using SHA1 now throw an error: # rpm -q webmin error: rpmdbNextIterator: skipping h# 2316 Header V4 DSA/SHA1 Signature, key ID 11f63c51: BAD Header SHA1 digest: OK package webmin is not installed But…: … Continue reading →

Posted in Fedora, Hacks, Opinion, Workaround | Tagged bad, fedora 38, old rpm gotcha, rpm downgrade, sha1, sha256, workaround | Leave a reply

Kernel – GCC 13 Plugins fail – and Fix..

Adventures With Linux ™ Posted on February 21, 2023 by RGFebruary 21, 2023

Fedora 38 (beta..) has GCC 13, and this causes an error when compiling the kernel with ‘gcc_plugins‘ selected: …………………. CC scripts/mod/devicetable-offsets.s cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so: ./scripts/gcc-plugins/randomize_layout_plugin.so: undefined symbol: tree_code_type make[1]: *** [scripts/Makefile.build:252: scripts/mod/empty.o] Error 1 make[1]: *** Waiting for unfinished jobs…. cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so: ./scripts/gcc-plugins/randomize_layout_plugin.so: undefined symbol: tree_code_type make[1]: *** [scripts/Makefile.build:114: scripts/mod/devicetable-offsets.s] … Continue reading →

Posted in compilation, Fedora, fix, gcc, kernel, Linux, Opinion | Tagged fedora 38, fix, gcc 13, gcc_plugins, kernel 6.2, kernel compile fail, patch, workaround | Leave a reply

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

Adventures With Linux ™ Posted on May 11, 2021 by RGMay 11, 2021

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 →

Posted in aarch64, Crash and Burn.., Fedora, fix, Hacks, kernel, Linux / ARM, Opinion, patches, quirks, Raspberry Pi 4 | Tagged 5.10.34 fails, 5.11.18 with RH patchset, 5.12 fails, 5.13-rc fails, 5.9.16 works, 8gb, pi4, usb fails, workaround | 3 Replies

NVIDIA – An Acceptable ‘Taint’ Workaround for Kernel 5.9..

Adventures With Linux ™ Posted on October 14, 2020 by RGOctober 14, 2020

Thanks to mbod, there is a simple kernel patch to restore the Kernel 5.8 ‘inherited taint’ behaviour to Kernel 5.9, and the detail is in this thread:  https://forums.developer.nvidia.com/t/opencl-not-working-with-kernel-5-9/156941/6 I have applied this to Kernel 5.9.0, and NVIDIA driver 455.28 now installs and loads/runs OK.    Until a proper fix is available, this will – of course – need … Continue reading →

Posted in kernel, Linux, NVIDIA, Opinion, patches | Tagged inherited taint, kernel 5.9, nvidia, simple patch, taint, workaround | 3 Replies

Kernel – 5.9-rc6 – Rare Compile Fail!

Adventures With Linux ™ Posted on September 20, 2020 by RGSeptember 20, 2020

Kernel 5.9-rc6 has been released, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/2009.2/05870.html In a very rare occurrence, the kernel compile actually fails: …………………………….. CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool CHK include/generated/compile.h CC drivers/dax/super.o drivers/dax/super.c:325:6: error: redefinition of ‘dax_supported’ 325 | bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, | ^~~~~~~~~~~~~ In file included from drivers/dax/super.c:16: ./include/linux/dax.h:162:20: note: previous definition … Continue reading →

Posted in compilation, Hacks, kernel, Linux, NVIDIA, Opinion, VMware | Tagged inherited taint, kernel 5.9-rc6, nvidia 450.66 455.23.04, nvidia-uvm, patched, rare compile fail, revert dax patch, vmware 16 ok, workaround | 1 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

Ethernet – e1000e – The Saga Continues..

Adventures With Linux ™ Posted on January 13, 2020 by RGJanuary 13, 2020

After more testing, it appears that there is still a problem with the Intel e1000e driver and some – but not all – supported NICs.. I have several ex-HP systems that have Intel NICs, and some have more than one.   The HP Z820 has two (different models..): $ lspci |grep Eth 00:19.0 Ethernet controller: Intel Corporation 82579LM … Continue reading →

Posted in Ethernet, Fedora, hardware, Intel, kernel, Linux, Network, Opinion, some systems ok | Tagged constant up/down, e1000e, ethernet, intel, problems, revert patch, some nics ok, workaround | Leave a reply

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