Public bug reported:
[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.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1948755 somerville
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Medium
** Tags added: oem-priority originate-from-1948755 somerville
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https://bugs.launchpad.net/bugs/1954611
Title:
Let VMD follow host bridge PCIe settings
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