APPLIED: [SRU] [F] [PATCH 0/1] Fix non-working NVMe after S3

William Breathitt Gray william.gray at canonical.com
Thu Sep 17 13:44:50 UTC 2020


On Wed, Sep 16, 2020 at 01:36:54AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1895718
> 
> [Impact]
> KIOXIA NVMe has a 10% chance to stop working after S3.
> 
> [Fix]
> Enable ACS quirk on Intel CML root port.
> 
> [Test]
> With the patch applied, KIOXIA NVMe always works after S3.
> 
> [Regression Potential]
> ACS works at hardware level, so I can't really assess the risk of
> regression. Since Intel confirmed CML also needs ACS quirk, we can only
> trust them.
> 
> Kai-Heng Feng (1):
>   UBUNTU: SAUCE: PCI: Enable ACS quirk on CML root port
> 
>  drivers/pci/quirks.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> -- 
> 2.17.1

Applied to Focal.

William Breathitt Gray
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