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Monthly Archives: March 2021

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
Original content © Robert Gadsdon 2013
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