driver issues Archives - The Passthrough POST https://passthroughpo.st/tag/driver-issues/ Your baremetal source for virtual news Sun, 30 Jun 2019 02:27:58 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 140179014 Explainer – Why and When Modprobe and VFIO-PCI Is Needed https://passthroughpo.st/explainer-modprobe-vfio-pci-needed/ https://passthroughpo.st/explainer-modprobe-vfio-pci-needed/#disqus_thread Sun, 14 Jan 2018 16:06:56 +0000 https://passthroughpo.st/?p=1294 For quite some time now various guides on the internet have told us to use modprobe rules on most devices when doing PCI and VGA(GPU) pass-through. While in most use cases you will need to pre-bind your device to vfio-pci, or blacklist the kernel module beforehand, due to libvirt not wanting to dynamically re-bind with [...]

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]]> https://passthroughpo.st/explainer-modprobe-vfio-pci-needed/feed/ 0 1294 NVIDIA Confirms Linux Driver Performance Regression https://passthroughpo.st/nvidia-confirms-linux-driver-performance-regression/ https://passthroughpo.st/nvidia-confirms-linux-driver-performance-regression/#disqus_thread Thu, 14 Dec 2017 01:24:12 +0000 http://passthroughpo.st/?p=406 A performance-tanking NVIDIA Linux driver regression was recently discovered in "Deus Ex: Mankind Divided." Read also: Critical Ryzen Update Lands in Linux Kernel NVIDIA DevTalk forums user HeavyHDX observed a 27% framerate drop between the 375.82 and 387.34 drivers. The poster later shared VRAM usage, showing the 387.34 drivers using over 30% more VRAM than the [...]

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