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Adventures With Linux ™

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Adventures With Linux ™
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Compiler – Fun with CLANG – Kernel, NVIDIA, and VMware…

Adventures With Linux ™ Posted on March 27, 2021 by RGMarch 30, 2021

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 →

Posted in clang, compilation, Fedora, gcc, kernel, Linux, NVIDIA, Opinion, Performance, quirks, VMware | Tagged clang, compile tests, gcc alternative, kernel, nvidia, success, vmware | 1 Reply

NVIDIA – New Driver 460.67 – OK with Kernel 5.12..

Adventures With Linux ™ Posted on March 18, 2021 by RGMarch 18, 2021

NVIDIA have released driver 460.67, and details are here:  https://forums.developer.nvidia.com/t/linux-solaris-and-freebsd-driver-460-67-long-lived-branch-release/172742 The details mention ‘5.11 release candidates’ but they probably should have said ‘5.12 release candidates’, as the previous driver worked OK with kernel 5.11, and this new one works OK with 5.12 (tested with 5.12-rc3) In other news, I should mention that the KVM/USB crash problems I … Continue reading →

Posted in Linux, NVIDIA, Opinion | Tagged 460.67, new driver, nvidia, ok with kernel 5.12, rc3 fixed usb crash, tested with 5.12-rc3 | Leave a reply

NVIDIA – Patch for Kernel 5.12 Support.

Adventures With Linux ™ Posted on March 2, 2021 by RGMarch 2, 2021

Thanks to Willy Frissen for the info, and joanbm for the patch, which can be found at https://gist.githubusercontent.com/joanbm/7a034ac4b79396c3841040e410ef7e91/raw/b21e792dc0b6f891a4a83d182e0ba9b24b36bd80/nvidia-fix-linux-5.12.patch I have applied this to 460.56, with Kernel 5.12-rc1, and it compiles successfully, and appears to work OK.     Unable to do a longer test, as my 5.12-rc1 system still crashes with a USB error, after the KVM switches out.. … Continue reading →

Posted in fix, kernel, Linux, NVIDIA, Opinion | Tagged nvidia 460.56, patch for kernel 5.12, success | Leave a reply

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

Kernel – 5.12-rc1 is Out. OK with Patched VMware, NVIDIA fails..

Adventures With Linux ™ Posted on February 28, 2021 by RGFebruary 28, 2021

Kernel 5.12-rc1 has been released, and brief details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2102.3/03831.html Patched VMware 16.1.0 compiles and loads OK, but latest NVIDIA (460.56) compile fails: ………………………. /home/rgadsdon/NVIDIA-Linux-x86_64-460.56/kernel/nvidia-drm/nvidia-drm-drv.c: In function ‘nv_drm_update_drm_driver_features’: /home/rgadsdon/NVIDIA-Linux-x86_64-460.56/kernel/nvidia-drm/nvidia-drm-drv.c:822:38: error: ‘drm_gem_dumb_destroy’ undeclared (first use in this function); did you mean ‘drm_mode_destroy’? 822 | nv_drm_driver.dumb_destroy = drm_gem_dumb_destroy;                                 | ^~~~~~~~~~~~~~~~~~~~ | drm_mode_destroy /home/rgadsdon/NVIDIA-Linux-x86_64-460.56/kernel/nvidia-drm/nvidia-drm-drv.c:822:38: note: each undeclared identifier … Continue reading →

Posted in compilation, kernel, Linux, NVIDIA, Opinion, VMware | Tagged drm_gem_dumb_destroy, kernel 5.12-rc1, nvidia 460.56 compile fail, patched vmware 16.1.0 ok, released | 2 Replies

Kernel – 5.11 Released. OK with latest NVIDIA, and Patched VMware..

Adventures With Linux ™ Posted on February 14, 2021 by RGFebruary 14, 2021

Kernel 5.11 is out, and brief details are here:   http://lkml.iu.edu/hypermail/linux/kernel/2102.1/08310.html As expected, the latest NVIDIA driver – 460.39 – compiles and loads/runs OK, and (patched) VMware 16.1.0 is also OK. Robert Gadsdon.   February 14th, 2021. … Continue reading →

Posted in kernel, Linux, NVIDIA, Opinion, VMware | Tagged Kernel 5.11 released, nvidia 460.39 ok, patched vmware 16.1.0 ok | Leave a reply

NVIDIA – New Driver 460.39 – OK with 5.11..

Adventures With Linux ™ Posted on January 26, 2021 by RGJanuary 26, 2021

NVIDIA have released driver 460.39, and details are here:  https://forums.developer.nvidia.com/t/linux-solaris-and-freebsd-driver-460-39-long-lived-branch-release/166842 This compiles/installs/runs OK with Kernel 5.11, without any patches..   (tested with 5.11-rc5) Robert Gadsdon.    January 26th 2021. … Continue reading →

Posted in kernel, Linux, NVIDIA, Opinion | Tagged 460.39, new driver, nvidia, ok with kernel 5.11, tested with 5.11-rc5 | Leave a reply

NVIDIA – New Driver 460.32.03 – Patch Mod for 5.11..

Adventures With Linux ™ Posted on January 8, 2021 by RGJanuary 8, 2021

NVIDIA have released their latest driver – 460.32.03, and details are here: https://forums.developer.nvidia.com/t/linux-solaris-and-freebsd-driver-460-32-03-long-lived-branch-release/165423 The patch for 460.27.04 is easy to modify to work with this version – just remove the first section (patch to ~/kernel/common/inc/nv-linux.h) as this is no longer necessary. Tested with Kernel 5.11-rc2.. ……….. ld -r -o /home/rgadsdon/NVIDIA-Linux-x86_64-460.32.03/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/NVIDIA-Linux-x86_64-460.32.03/kernel/nvidia-modeset/nvidia-modeset-linux.o /home/rgadsdon/NVIDIA-Linux-x86_64-460.32.03/kernel/nvidia-modeset/nv-kthread-q.o MODPOST /home/rgadsdon/NVIDIA-Linux-x86_64-460.32.03/kernel/Module.symvers CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-460.32.03/kernel/nvidia-drm.mod.o … Continue reading →

Posted in Hacks, kernel, Linux, NVIDIA, Opinion | Tagged 460.32.03, modify existing patch, nvidia, ok with kernel 5.11-rc2 | 1 Reply

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

Adventures With Linux ™ Posted on January 5, 2021 by RGJanuary 5, 2021

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 →

Posted in aarch64, arm, ARM64, Fedora, Hacks, hardware, kernel, Linux / ARM, U-Boot, UEFI | Tagged arm64, efi, fedora 33, khadas, success, u-boot, vim3-pro | Leave a reply

NVIDIA – Patch for Kernel 5.11 Support..

Adventures With Linux ™ Posted on December 29, 2020 by RGDecember 29, 2020

Thanks to joanbm, and loqs, there is now a patch for NVIDIA 460.27.04 and Kernel 5.11-rc1.     I have applied this, and the NVIDIA driver compiles and loads/runs OK. The patch can be found at http://ix.io/2K9F  .. Robert Gadsdon.   December 29th 2020.   … Continue reading →

Posted in Linux, NVIDIA, Opinion | Tagged 460.27.04, nvidia, patch for kernel 5.11-rc1 | 2 Replies

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Recent Posts

  • Compiler – Fun with CLANG – Kernel, NVIDIA, and VMware…
  • NVIDIA – New Driver 460.67 – OK with Kernel 5.12..
  • NVIDIA – Patch for Kernel 5.12 Support.
  • Kernel – 5.12-rc1 – USB-related Crash..
  • Kernel – 5.12-rc1 is Out. OK with Patched VMware, NVIDIA fails..

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