Triple 4K monitor display failed (modesetting driver limited to 8192x8192)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
DRI |
Fix Released
|
Medium
|
|||
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
X.Org X server |
Unknown
|
Medium
|
|||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Won't Fix
|
Undecided
|
Unassigned | ||
linux-oem-osp1 (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Timo Aaltonen | ||
mesa (Ubuntu) |
Fix Released
|
Medium
|
Timo Aaltonen | ||
Bionic |
Fix Released
|
Undecided
|
Timo Aaltonen | ||
xorg-server (Ubuntu) |
Invalid
|
Medium
|
Unassigned | ||
Bionic |
Invalid
|
Undecided
|
Timo Aaltonen |
Bug Description
Title: Triple monitor display failed with Dell Dock (HiDPI) (modesetting)
Summary: Triple monitor display failed with Dell Dock (HiDPI) (modesetting)
Steps:
1. a laptop with Built-in 4K LCD
2. Cold boot system with Dell Dock connected
3. Connect a 4K monitor to Dock
4. Connect 2nd 4K monitor to Dock
5. Go to [All Settings]
Resolution: 4kx2k@60Hz (one Built-in LCD + two external monitors)
Mirror displays: disable
Expected results: Triple monitor display should works without issues
Actual results: Triple monitor display failed with Dell Dock
Additional information:
1. Linux distribution: Ubuntu 16.04+modesetting, 16.04.3, and 17.04
2. Laptop: Dell Precision 5520
3. Dell Business Thunderbolt Dock - TB16
https:/
WORKAROUND (UBUNTU 18.04+):
Log in to "Ubuntu on Wayland" instead of "Ubuntu".
---
.tmp.unity_
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
CurrentDesktop: Unity
DistUpgraded: Fresh install
DistributionCha
# This is a distribution channel descriptor
# For more information see http://
canonical-
DistroCodename: xenial
DistroRelease: Ubuntu 16.04
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
Intel Corporation Device [8086:591d] (rev 04) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:07bf]
Subsystem: Dell Device [1028:07bf]
InstallationDate: Installed on 2017-08-29 (2 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
MachineType: Dell Inc. Precision 5520
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
Tags: xenial ubuntu compiz-0.9
Uname: Linux 4.11.0-14-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/08/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.3
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Precision 5520
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-
version.
version.
version.
version.
version.
version.
version.
version.
CVE References
affects: | launchpad → xorg-server |
affects: | xorg-server → xorg-server (Ubuntu) |
Changed in xorg-server: | |
importance: | Unknown → Medium |
status: | Unknown → Confirmed |
Changed in xorg-server (Ubuntu): | |
importance: | Undecided → Medium |
status: | New → Triaged |
summary: |
- Triple monitor display failed with Dell Dock (HiDPI) (modesetting) + Triple 4K monitor display failed (modesetting driver) |
tags: | added: multimonitor |
description: | updated |
Changed in linux (Ubuntu): | |
status: | New → Triaged |
Changed in mesa (Ubuntu): | |
status: | New → Triaged |
Changed in mesa (Ubuntu): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
importance: | Undecided → Medium |
Changed in xorg-server (Ubuntu Bionic): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
Changed in mesa (Ubuntu Bionic): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
Changed in xorg-server: | |
status: | Confirmed → Unknown |
Changed in dri: | |
importance: | Unknown → Medium |
status: | Unknown → Confirmed |
Changed in dri: | |
status: | Confirmed → Fix Released |
tags: | added: originate-from-1837165 somerville |
tags: | added: ubuntu-certified |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
status: | New → Fix Committed |
Changed in hwe-next: | |
status: | New → Fix Released |
Changed in linux (Ubuntu): | |
status: | Triaged → Invalid |
status: | Invalid → Fix Released |
Changed in linux (Ubuntu Bionic): | |
status: | Confirmed → Won't Fix |
apport information