Dear John:
Thank you for your reply. The case you mentioned is a typical
performance regression issue, there's no need for the kernel to oom kill
any random process even in the worst case. But in my observations, the
iommu_iova slab could consume up to 40G memory, and the kernel have to kill
my
Ping.
Thanks,
Suravee
On 4/22/20 8:30 PM, Suravee Suthikulpanit wrote:
Currently, system fails to boot because the legacy interrupt remapping
mode does not enable 128-bit IRTE (GA), which is required for x2APIC
support.
Fix by using AMD_IOMMU_GUEST_IR_LEGACY_GA mode when booting with
kernel op
