** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1914949
Title:
Resume from suspend not working with i915 driver and PulseAudio (linux
5.4 and 5.8)
Status in linux package in Ubuntu:
Fix Released
Bug description:
Using kernel 5.4.0-65, the system does not wake up anymore from suspend to
ram (S3). The screen stays black, only the backlight comes on.
Following the instructions in "wiki.ubuntu.com/DebuggingKernelSuspend", it
shows that this PCI device is the problem:
00:02.0 VGA compatible controller: Intel Corporation Core Processor
Integrated Graphics Controller (rev 18)
This is a 1st gen Intel HD graphics (Ironlake)
Testing various versions of kernels 5.4.0.x , I found that the problem seems
to be introduced with 5.4.0-59
Versions after -59 don't wake up, and versions until 5.4.0-58 work fine.
Testing 5.8.0-41, it doesn't wake up.
Testing mainline 5.11.0-051100rc6-generic, it works fine.
More testing showed that it is also related to PulseAudio:
I have removed this line from /etc/pulse/default.pa:
load-module module-suspend-on-idle
If I add it again, the system wakes up normally.
I don't know what this means -- was the pm_trace wrong about the VGA
controller? Is the kernel not suspending the sound device properly before going
to sleep?
All the kernels before 5.4.0-59 did not have a problem with this PulseAudio
configuration.
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: X-Cinnamon
DistroRelease: Linux Mint 20
HibernationDevice: RESUME=UUID=31673f7c-6b7f-4407-bc0b-e8f0652008be
InstallationDate: Installed on 2018-09-11 (879 days ago)
InstallationMedia: Linux Mint 19 "Tara" - Release amd64 20180717
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-65-generic
root=UUID=6de19ac7-7f66-4b39-a81f-3c955a60ae7a ro quiet splash
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
RelatedPackageVersions:
linux-restricted-modules-5.4.0-65-generic N/A
linux-backports-modules-5.4.0-65-generic N/A
linux-firmware 1.187.9
Tags: ulyana
Uname: Linux 5.4.0-65-generic x86_64
UnreportableReason: In diesem Bericht geht es um ein Paket, welches nicht
installiert ist.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: False
dmi.bios.date: 05/25/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.30
dmi.board.name: HM55-HT
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd05/25/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnHM55-HT:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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