This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1774771
Title:
Thinkpad T450s frequently hangs with black screen on resume
Status in linux package in Ubuntu:
Confirmed
Bug description:
My laptop, a Thinkpad T450s, often hangs with a black screen on resume
from suspend; I have to power off and back on to recover. I'd
estimate that this happens perhaps one in every two or three resumes,
so it's pretty annoying.
I'm currently running 18.04, but was on 16.04 up to a few months ago.
I suspend relatively infrequently so I don't have great data, but my
sense is that this happened occasionally on 16.04 but has become very
much more frequent on 18.04.
I haven't been able to find any useful log information about what the
problem might be: syslog has log entries for suspending and then goes
straight into the log of the next successful boot, with nothing that I
can see relevant to the failed resume. I'm willing to dig given
specific pointers, though.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-22-generic 4.15.0-22.24
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Jun 2 11:30:18 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-03-01 (1918 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130223.1)
SourcePackage: linux-signed
UpgradeStatus: No upgrade log present (probably fresh install)
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ApportVersion: 2.20.9-0ubuntu7.1
Architecture: amd64
CurrentDesktop: GNOME
DistroRelease: Ubuntu 18.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=/dev/mapper/system-swap
InstallationDate: Installed on 2013-03-01 (1918 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130223.1)
MachineType: LENOVO 20BXCTO1WW
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-22-generic
root=/dev/mapper/system-root ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
RelatedPackageVersions:
linux-restricted-modules-4.15.0-22-generic N/A
linux-backports-modules-4.15.0-22-generic N/A
linux-firmware 1.173.1
Tags: wayland-session bionic
Uname: Linux 4.15.0-22-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker fuse kvm libvirt libvirtd lpadmin lxd mojo
plugdev sambashare sbuild sudo uml-net
_MarkForUpload: True
dmi.bios.date: 12/14/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET67WW (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BXCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJBET67WW(1.31):bd12/14/2017:svnLENOVO:pn20BXCTO1WW:pvrThinkPadT450s:rvnLENOVO:rn20BXCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T450s
dmi.product.name: 20BXCTO1WW
dmi.product.version: ThinkPad T450s
dmi.sys.vendor: LENOVO
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