Jacob Zimmermann, in order to allow additional upstream mainline kernel
developers to examine the issue, at your earliest convenience, could you please
test the latest mainline kernel available from
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please keep in mind
the following:
1) The one to test is at the very top line at the top of the page (not the
daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was
released upstream.
4) Install instructions are available at
https://wiki.ubuntu.com/Kernel/MainlineBuilds .
If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.
If the latest kernel did not allow you to test to the issue (ex. you couldn't
boot into the OS) please make a comment in your report about this, and continue
to test the next most recent kernel version until you can test to the issue.
Once you've tested the mainline kernel, please comment on which kernel version
specifically you tested. If this issue is not reproducible in the mainline
kernel, please add the following tags by clicking on the yellow circle with a
black pencil icon, next to the word Tags, located at the bottom of the report
description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.
If the issue is reproducible with the mainline kernel, please add the following
tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Also, you don't need to apport-collect further unless specifically
requested to do so.
It is most helpful that after testing of the latest mainline kernel is
complete, you mark this report Status Confirmed.
Lastly, to keep this issue relevant to upstream, please continue to test
the latest mainline kernel as it becomes available.
Thank you for your help.
** Tags added: bios-outdated-01.25 needs-bisect regression-release
** No longer affects: xorg (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1765911
Title:
Major performance regression from Ubuntu 17.10 with i915
Status in linux package in Ubuntu:
Incomplete
Bug description:
Desktop performance on my laptop (Intel HD 520, driver: i915) used to
be generally good on previous Ubuntu releases but on 18.04, there is a
VERY noticeable regression. Moving windows around in GNOME is choppy
and tearing. It gets dramatic after the laptop resumes from suspend,
GNOME drops to literally ~1-2 FPS. Logging out and restarting the
session usually fixes the problem in that it restores the barely
acceptable performance level prior to suspend.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-15.16-lowlatency 4.15.15
Uname: Linux 4.15.0-15-lowlatency x86_64
ApportVersion: 2.20.9-0ubuntu6
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 21 16:04:38 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation HD Graphics 520 [8086:1916] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Hewlett-Packard Company Skylake GT2 [HD Graphics 520]
[103c:8079]
Advanced Micro Devices, Inc. [AMD/ATI] Opal XT [Radeon R7 M265] [1002:6604]
(rev 81) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Opal XT [Radeon R7 M265] [103c:814f]
InstallationDate: Installed on 2018-04-03 (18 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180402)
MachineType: HP HP EliteBook 850 G3
ProcKernelCmdLine: BOOT_IMAGE=/bionic/vmlinuz-4.15.0-15-lowlatency.efi.signed
root=UUID=b6480aee-7c63-4ce4-9e8d-cdbef768b982 ro
rootflags=subvol=@,relatime,autodefrag,space_cache quiet splash
module.sig_enforce=1 intel_pstate=skylake_hwp vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/31/2016
dmi.bios.vendor: HP
dmi.bios.version: N75 Ver. 01.10
dmi.board.name: 8079
dmi.board.vendor: HP
dmi.board.version: KBC Version 85.6F
dmi.chassis.asset.tag: 5CG6351LQL
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrN75Ver.01.10:bd07/31/2016:svnHP:pnHPEliteBook850G3:pvr:rvnHP:rn8079:rvrKBCVersion85.6F:cvnHP:ct10:cvr:
dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI
dmi.product.name: HP EliteBook 850 G3
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
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