Public bug reported:
[Impact]
* Some upstream patches are missing from 20.04 to properly support the
AMD Milan architecture.
[Test Case]
* No test case provided (tests have been made by the bug reporter using
the affected platform)
[Fix]
* The following commits, which landed in Linux 5.6 are required to
properly support Milan architecture on 20.04:
a47970ed74a5 kvm/svm: PKU not currently supported
52918ed5fcf0 KVM: SVM:Override default MMIO mask if memory encryption is
enabled
dcd01394ce7c EDAC/amd64: Drop some family checks for newer systems
b3f79ae45904 x86/amd_nb: Add Family 19h PCI IDs
9f6aef86315a EDAC/mce_amd: Always load on SMCA systems
89a76171bf50 x86/MCE/AMD, EDAC/mce_amd: Add new Load Store unit McaType
2eb61c91c3e2 EDAC/amd64: Add family ops for Family 19h Mod els 00h-0Fh
5738891229a2 perf/x86/amd: Add support for Large Increment per Cycle Events
471af006a747 perf/x86/amd: Constrain Large Increment per Cycle events
[Regression Potential]
* All the patches have been applied upstream and they have been tested on the
newly supported platform with positive feedback.
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2020-03-10 (2 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
(20200203.1)
IwConfig:
lo no wireless extensions.
ens4 no wireless extensions.
MachineType: AMD Corporation ETHANOL_X
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.18
root=UUID=bcc80d22-8cbe-4ae6-89eb-0a62b2c18fde ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 5.3.0-40.32~18.04.1-generic 5.3.18
RelatedPackageVersions:
linux-restricted-modules-5.4.18 N/A
linux-backports-modules-5.4.18 N/A
linux-firmware 1.173.14
RfKill:
Tags: bionic
Uname: Linux 5.4.18 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 02/26/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: RXM0071B
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: ETHANOL_X
dmi.board.vendor: AMD Corporation
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 17
dmi.chassis.vendor: To be filled by O.E.M.
dmi.chassis.version: To be filled by O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrRXM0071B:bd02/26/2020:svnAMDCorporation:pnETHANOL_X:pvrTobefilledbyO.E.M.:rvnAMDCorporation:rnETHANOL_X:rvrTobefilledbyO.E.M.:cvnTobefilledbyO.E.M.:ct17:cvrTobefilledbyO.E.M.:
dmi.product.family: Default string
dmi.product.name: ETHANOL_X
dmi.product.sku: Default string
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: AMD Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected bionic
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https://bugs.launchpad.net/bugs/1867363
Title:
x86: add support for Milan(AMD)
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