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https://stackoverflow.com/questions/44286683/check-for-iommu-support-on-linux
I'd like to verify on any given Linux machine if PCI passthrough is supported. After a bit of googling, I found that I should rather check if IOMMU is supported, and I did so by running: dmesg g...
https://www.phoronix.com/scan.php?page=news_item&px=AMD-IOMMU-Linux-5.5
The AMD IOMMU Linux driver now makes use of the "dma-iommu" kernel code that allows the driver to be lightened up by several hundred lines of code thanks to the code sharing/re-use. Besides the DMA IOMMU changes, the AMD IOMMU driver now also has multiple PCI DMA alias support.
https://community.amd.com/thread/238463
Apr 08, 2019 · Yes, I've read the specifications of both motherboards and CrossFireX seems officially supported but is a feature exclusively for MS Windows, if you have the same problem with 3 different Linux distributions your B350 and B450 may not support dual GPU configurations under Linux or at least for IOMMU support.Reviews: 3
https://elixir.bootlin.com/linux/latest/source/drivers/iommu/amd_iommu_init.c
Elixir Cross Referencer. New Year. Happy
https://www.reddit.com/r/linuxquestions/comments/6t8v8i/amdvi_issues_iommu/
But if find that you need IOMMU in the future you should be able to replace "iommu=soft" with "amd_iommu=on iommu=pt". More posts from the linuxquestions community. 179. Posted by. u/jslanier. 3 days ago. Resolved. Transfer 50 TB of media the fastest way possible ... RockChip has decent Linux support however they only provide support in the ...
https://www.cyberciti.biz/tips/howto-turn-on-linux-software-iommu-support.html
Sep 11, 2007 · Most modern Linux has support for IOMMU. An IOMMU is a device that will support mapping memory addresses. There is currently high-end branded server hardware that support this, but no desktop machines support IOMMU, AFAIK. An example IOMMU is …
https://scottlinux.com/2017/05/10/how-to-enable-iommu-support-in-fedora-linux/
Typically by default, IOMMU is not enabled in Linux. I’ll show how to enable that virtualization feature on Fedora Linux! 1. First, check if IOMMU support is enabled by running this command:
https://community.amd.com/thread/213609
Mar 19, 2017 · I read on internet the IOMMU is the reason but the BIOS doesn't show the option to disable (sorry if the post is over wrong category). Specs HP-Pavilion 15-aw002la: AMD A10-9600PReviews: 1
https://en.wikipedia.org/wiki/List_of_IOMMU-supporting_hardware
The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 with two ... AMD's implementation of IOMMU is also known as AMD-Vi. ... is known to have faulty BIOSes with corrupt ACPI IVRS tables; for such cases, under Linux, it is possible to specify custom mappings to override the faulty and/or missing BIOS-provided ...
https://askubuntu.com/questions/85776/what-is-iommu-and-will-it-improve-my-vm-performance
The big win for IOMMU support is that we can change which devices we pass through at run time. Before we had to specify a range of devices in the kernel arg list and only those peripherals were eligible for passthrough. IOMMU lets you remap devices as you see fit. Again this is exclusive access, either your host is using it, or one of the VMs is.
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