NACK/Cmnt: [SRU][N][PATCH v2 0/3] UBUNTU: SAUCE: System hang when running memory/memory_stress_ng test

[Stefan Bader]

On 12.11.24 05:09, En-Wei Wu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2085092
> 
> [Impact]
> memory/memory_stress_ng test failed when swapping due to the ASPM issue with VMD device.
> 
> [Fix]
> Backport the Endlessos's patchset from https://lore.kernel.org (has been reviewed):
> 
> Link: https://lore.kernel.org/linux-pci/20241001083438.10070-2-jhp@endlessos.org/
> 
> [PATCH v12 0/3] PCI: vmd: Enable PCI PM's L1 substates of remapped PCIe Root Port and NVMe
> [PATCH v12 1/3] PCI: vmd: Set PCI devices to D0 before enable PCI PM's L1 substates
> [PATCH v12 2/3] PCI/ASPM: Add notes about enabling PCI-PM L1SS to pci_enable_link_state(_locked)
> [PATCH v12 3/3] PCI/ASPM: Make pci_save_aspm_l1ss_state save both child and parent's L1SS configuration
> 
> [Test Plan]
> 1. Boot up Ubuntu OS
> 2. $ checkbox-cli run com.canonical.certification::stress/store_and_change_oomd_config
> 3. $ checkbox-cli run com.canonical.certification::memory/memory_stress_ng
> 
> [Where problems could occur]
> May cause ASPM regression.
> 
> 
> Jian-Hong Pan (3):
>    UBUNTU: SAUCE: PCI: vmd: Set PCI devices to D0 before enable PCI PM's
>      L1 substates
>    UBUNTU: SAUCE: PCI/ASPM: Add notes about enabling PCI-PM L1SS to
>      pci_enable_link_state(_locked)
>    UBUNTU: SAUCE: PCI/ASPM: Make pci_save_aspm_l1ss_state save both child
>      and parent's L1SS configuration
> 
>   drivers/pci/controller/vmd.c | 11 +++++++++--
>   drivers/pci/pcie/aspm.c      | 26 +++++++++++++++++++++++++-
>   2 files changed, 34 insertions(+), 3 deletions(-)
> 

Rejected for the following reasons:
This set appears to be replaced by:
- [SRU][N][PATCH v3 0/2] System hang when running 
memory/memory_stress_ng test

-Stefan
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