ACK: [SRU][N][PATCH v3 0/2] System hang when running memory/memory_stress_ng test

[Magali Lemes]

On 20/11/2024 03:17, 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 two patches from linux-next fixes the issue:
> 
> d66041063192 PCI: vmd: Set devices to D0 before enabling PM L1 Substates
> e1714f3b1f4d PCI/ASPM: Add notes about enabling PCI-PM L1SS to pci_enable_link_state(_locked)
> 
> [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 (2):
>    PCI: vmd: Set devices to D0 before enabling PM L1 Substates
>    PCI/ASPM: Add notes about enabling PCI-PM L1SS to
>      pci_enable_link_state(_locked)
> 
>   drivers/pci/controller/vmd.c | 11 +++++++++--
>   drivers/pci/pcie/aspm.c      |  6 ++++++
>   2 files changed, 15 insertions(+), 2 deletions(-)
> 

Acked-by: Magali Lemes <magali.lemes at canonical.com>