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Yes Fedora with kernel 6.1 still works with iommu disabled in bios. Will keep you postedLeave a comment:
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It could be interesting if kernel 6.1 will make a difference.
Perhaps you would like to keep us posted after Kubuntu 23.04 came out.Leave a comment:
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iommu on new kernel
For 6 years I have happily used iommu=soft on the kernel command line with iommu disabled in the bios (GA-970A-DS3P AMD chipset). But upgrading from 22.04 to 22.10 resulted in the USB2 ports not working with the new kernel 5.19.0-23-generic, whereas both USB2 and USB3 ports are working with the older kernel 5.15.0-52-generic (inherited from 22.04).
Solved this by enabling iommu in bios and instead using the command line parameter iommu=pt Hope this might help somebody
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