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Thanks, Ashish On 8/3/2023 1:27 PM, Schander, Johanna 'Mimoja' Amelie wrote: > We discovered that the kdump crashkernel would not work with our SEV- > SNP configuration. > > After reading the device table from the previour kernel we would > see a lot of > AMD-Vi: Completion-Wait loop timed out > errors and finally crash: > Kernel panic - not syncing: timer doesn't work through Interrupt- > remapped IO-APIC > > We found that disabeling SNP in the outgoing (crashing) kernel > would enable the crashkernel to take over the iommu config and > boot from there. > > We opened a PR over on github against the rfc-v9 branch to discuss > the issue: > https://github.com/AMDESE/linux/pull/5 > > Cheers Johanna > > > > > > > > Amazon Development Center Germany GmbH > Krausenstr. 38 > 10117 Berlin > Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss > Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B > Sitz: Berlin > Ust-ID: DE 289 237 879 > >