APPLIED: [SRU] [J] [PATCH 0/1] Let VMD follow host bridge PCIe settings
Andrea Righi
andrea.righi at canonical.com
Fri Jan 14 07:02:26 UTC 2022
On Tue, Jan 11, 2022 at 10:26:00PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1954611
>
> [Impact]
> Some platforms have endless AER message floods kernel log, slows done
> disk I/O.
>
> [Fix]
> Honor BIOS settings to disable AER for Intel VMD.
>
> [Test]
> Use dmesg to check kernel log, no more AER message since AER is
> disabled.
>
> [Where problem could occur]
> The patch copies PCIe settings from host bridge, so some PCIe features
> will be disabled as a result. This may not be desirable for some users.
Applied to jammy:linux, thanks!
-Andrea
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