[AMD] RHEL VM fails to boot with intel IOMMU and more than 1TB of RAM
Issue
- The RHEL 9 guest VM fails to boot with intel IOMMU device and more than 1TB of RAM.
- The issue started reporting after updating the qemu-kvm to qemu-kvm-7.2.0-14.el9_2.x86_64 on Host system.
- The console is getting flooded with below messages continuously upon starting the VM with above configuration.
[ 1.426910] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 1.428215] DMAR: VT-d detected Invalidation Queue Error: Reason 0
[ 1.428218] DMAR: QI HEAD: Invalidation Wait qw0 = 0x200000025, qw1 = 0x10000061c04
[ 1.428220] DMAR: QI PRIOR: UNKNOWN qw0 = 0x0, qw1 = 0x0
..
[ 1.428432] DMAR: VT-d detected Invalidation Queue Error: Reason 0
[ 1.428432] DMAR: QI HEAD: Invalidation Wait qw0 = 0x200000025, qw1 = 0x10000061c04
[ 1.428433] DMAR: QI PRIOR: UNKNOWN qw0 = 0x0, qw1 = 0x0
Environment
- Red Hat Enterprise Linux 9
- Host with qemu-kvm-7.2.0-14.el9_2.x86_64 or later
- Virtual Machine type is
pc-q35-rhel9.2.0
or higher - AMD CPU
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