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vmm_tests: mark linux direct pcie tests as unstable #3548

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Merged
smalis-msft merged 1 commit into from
May 21, 2026
+13 −6
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vmm_tests: mark linux direct pcie tests as unstable #3548

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19 changes: 13 additions & 6 deletions vmm_tests/vmm_tests/tests/tests/multiarch/pcie.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

// All of the PCIe tests on Linux direct have been marked as unstable due to
// what is presumed to be a bug in the guest kernel currently being used.
// TODO: remove the unstable designations once the kernel is updated.
Comment on lines +4 to +6

use crate::multiarch::OsFlavor;
use crate::multiarch::cmd;
use guid::Guid;
Expand Down Expand Up @@ -161,7 +165,7 @@ async fn parse_guest_pci_devices(
/// Test PCIe root complex discovery and root port enumeration by
/// guest software in a single segment topology.
#[openvmm_test(
linux_direct_x64,
unstable_linux_direct_x64,
uefi_x64(vhd(windows_datacenter_core_2022_x64)),
uefi_x64(vhd(ubuntu_2404_server_x64)),
uefi_aarch64(vhd(windows_11_enterprise_aarch64)),
Expand Down Expand Up @@ -194,7 +198,7 @@ async fn pcie_root_emulation_single_segment(
/// Test PCIe root complex discovery and root port enumeration by
/// guest software in a topology with multiple segments.
#[openvmm_test(
linux_direct_x64,
unstable_linux_direct_x64,
uefi_x64(vhd(windows_datacenter_core_2022_x64)),
uefi_x64(vhd(ubuntu_2404_server_x64)),
uefi_aarch64(vhd(windows_11_enterprise_aarch64)),
Expand Down Expand Up @@ -227,7 +231,7 @@ async fn pcie_root_emulation_multi_segment(
/// Test PCIe switch enumeration when attached to both root
/// ports and the downstream switch ports of other switches.
#[openvmm_test(
linux_direct_x64,
unstable_linux_direct_x64,
uefi_x64(vhd(windows_datacenter_core_2022_x64)),
uefi_x64(vhd(ubuntu_2404_server_x64)),
uefi_aarch64(vhd(windows_11_enterprise_aarch64)),
Expand Down Expand Up @@ -271,7 +275,7 @@ async fn pcie_switches(config: PetriVmBuilder<OpenVmmPetriBackend>) -> anyhow::R
///
/// NOTE: This test relies on device specific software (drivers,
/// tooling) within the guest OS to perform the validation.
#[openvmm_test(linux_direct_x64)]
#[openvmm_test(unstable_linux_direct_x64)]
async fn pcie_devices(config: PetriVmBuilder<OpenVmmPetriBackend>) -> anyhow::Result<()> {
let os_flavor = config.os_flavor();
let (vm, agent) = config
Expand Down Expand Up @@ -328,7 +332,10 @@ async fn pcie_devices(config: PetriVmBuilder<OpenVmmPetriBackend>) -> anyhow::Re

/// Test PCIe hotplug: hot-add a device to a hotplug-capable port, verify the
/// guest sees it, then hot-remove it and verify it's gone.
#[openvmm_test(linux_direct_x64, uefi_x64(vhd(windows_datacenter_core_2022_x64)))]
#[openvmm_test(
unstable_linux_direct_x64,
uefi_x64(vhd(windows_datacenter_core_2022_x64))
)]
async fn pcie_hotplug(
config: PetriVmBuilder<OpenVmmPetriBackend>,
_: (),
Expand Down Expand Up @@ -408,7 +415,7 @@ async fn pcie_hotplug(
/// 2. Enumerates PCI devices visible to the guest
/// 3. Pulses save/restore (pause → save → restore → resume)
/// 4. Re-enumerates PCI devices and verifies they match
#[openvmm_test(linux_direct_x64)]
#[openvmm_test(unstable_linux_direct_x64)]
async fn pcie_save_restore(config: PetriVmBuilder<OpenVmmPetriBackend>) -> anyhow::Result<()> {
let os_flavor = config.os_flavor();
let (mut vm, agent) = config
Expand Down
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