There appears to be an upstream kernel bug report for this issue: https://bugzilla.kernel.org/show_bug.cgi?id=219210. The patch set intended to fix it is here: https://lore.kernel.org/kvm/20240720000138.3027780-1-sea...@google.com/.
I will try this out on H100 and see if the issue is resolved. ** Summary changed: - vmx_posted_interrupts_test of ubuntu_kvm_unit_tests fails with Expected VMX_VMCALL, got VMX_EXTINT on NVIDIA H100 + vmx_posted_intr_test of ubuntu_kvm_unit_tests fails with Expected VMX_VMCALL, got VMX_EXTINT on NVIDIA H100 -- You received this bug notification because you are a member of Canonical Platform QA Team, which is subscribed to ubuntu-kernel-tests. https://bugs.launchpad.net/bugs/2096932 Title: vmx_posted_intr_test of ubuntu_kvm_unit_tests fails with Expected VMX_VMCALL, got VMX_EXTINT on NVIDIA H100 Status in ubuntu-kernel-tests: New Bug description: The following failure was observed on DGX H100, running Noble with the HWE 6.11.0-1003-nvidia kernel. 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] filter = vmx_posted_interrupts_test, test = vmx_posted_interrupts_test 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] Test suite: vmx_posted_interrupts_test 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] PASS: Set ISR for vectors 33-255. 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] FAIL: x86/vmx_tests.c:2164: Assertion failed: (expected) == (actual) 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] LHS: 0x0000000000000012 - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0001'0010 - 18 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] RHS: 0x0000000000000001 - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0001 - 1 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] Expected VMX_VMCALL, got VMX_EXTINT. 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] STACK: 406fac 40730e 4172e0 4177e5 4020a3 403fc6 4001bd 01/25 09:09:43 DEBUG|(unknown f:0000| [stdout] filter = vmx_posted_interrupts_test, test = vmx_apic_passthrough_test To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2096932/+subscriptions -- Mailing list: https://launchpad.net/~canonical-ubuntu-qa Post to : canonical-ubuntu-qa@lists.launchpad.net Unsubscribe : https://launchpad.net/~canonical-ubuntu-qa More help : https://help.launchpad.net/ListHelp