Hi, On Thu, 19 May 2022 16:57:44 +0200 Eneko Lacunza via pve-user <[email protected]> wrote:
> Hi all, > > Today we installed PVE 7.1 (ISO) in a relatively old machine. any more details on what kind of machine this is (CPU generation, if it's an older HP/Dell/Supermicro server or consumerhardware)? > Kernel will print lots of messages like > > "DMAR: DRHD: handling fault status reg 3" > "DMAR: [DMA Read NO_PASID] Request device [02:00.0] fault ???? 4b311000 > [fault reason 0x06] PTE Readaccess is not set. could you please try (in that order, and until one the suggestions fixes the issue): * adding `iommu=pt` to the kernel cmdline * adding `intel_iommu=off` to the kernel cmdline we have updated the known-issues section of the release-notes to suggest this already after a few similar reports with older hardware/unusual setups in our community forum: https://pve.proxmox.com/wiki/Roadmap#7.2-known-issues see https://pve.proxmox.com/pve-docs/chapter-sysadmin.html#sysboot_edit_kernel_cmdline for instruction on how to edit the cmdline. > This is worked-around now, but I'm starting to worry about latest 5.15 > kernel in PVE... :-) > I think we have similar reports with each new kernel-series - mostly with older systems, which need to install a small workaround (usually module parameter or kernel cmdline switch). Our tests on many machines in our testlab (covering the past 10 years of hardware more or less well) all did not show any general issues - but it's sadly always a hit and miss. Please let us know if the changes help Kind regards, stoiko _______________________________________________ pve-user mailing list [email protected] https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user
