ASPM not enabled on child devices behind VMD controller
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
OEM Priority Project |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
You-Sheng Yang | ||
Focal |
Won't Fix
|
Undecided
|
Unassigned | ||
Groovy |
Fix Released
|
Undecided
|
You-Sheng Yang | ||
linux-oem-5.6 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
You-Sheng Yang | ||
Groovy |
Invalid
|
Undecided
|
Unassigned |
Bug Description
ASPM of VMD devices is not automatically enabled even it's said capable in its Link Capabilities Register.
$ sudo lspci -vvn | grep -E '^(1|\s+LnkCtl:)'
10000:e0:1d.0 0604: 8086:a0b0 (rev 20) (prog-if 00 [Normal decode])
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
10000:e1:00.0 0108: 1e0f:0001 (prog-if 02 [NVM Express])
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CasperMD5CheckR
DistributionCha
# This is the distribution channel descriptor for the OEM CDs
# For more information see http://
canonical-
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-07-29 (0 days ago)
InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20200502-05:58
MachineType: Dell Inc. Vostro 5301
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageV
linux-
linux-
linux-firmware 1.187.2
Tags: focal
Uname: Linux 5.6.0-1020-oem x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 07/21/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 0.5.4
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: Vostro
dmi.product.name: Vostro 5301
dmi.product.sku: 09FC
dmi.sys.vendor: Dell Inc.
CVE References
tags: | added: oem-priority originate-from-1873381 somerville |
tags: | added: originate-from-1874079 |
Changed in linux (Ubuntu Focal): | |
status: | New → Won't Fix |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
status: | New → Triaged |
status: | Triaged → In Progress |
Changed in linux-oem-5.6 (Ubuntu Groovy): | |
status: | New → Invalid |
Changed in linux (Ubuntu Groovy): | |
assignee: | nobody → You-Sheng Yang (vicamo) |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
assignee: | nobody → You-Sheng Yang (vicamo) |
tags: | added: originate-from-1889754 |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
tags: | added: originate-from-1890985 |
tags: |
added: verification-done-focal removed: verification-needed-focal |
Changed in hwe-next: | |
status: | New → Fix Released |
Changed in oem-priority: | |
status: | New → Fix Released |
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1889384
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.