I think this is probably a duplicate of bug 1727356. Can you please try
the workaround from that bug?
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
** Package changed: xorg (Ubuntu) => ubuntu
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https://bugs.launchpad.net/bugs/1793428
Title:
Video after upgrading is only 1024x768
Status in Ubuntu:
Incomplete
Bug description:
Only video option is 1024x768 2007 Black MacBook
Video worked fine 16.04, but is messed up in 18.04
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
Uname: Linux 4.15.0-34-generic x86_64
.tmp.unity_support_test.1:
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Wed Sep 19 23:42:25 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.2.10, 4.15.0-34-generic, x86_64: installed
virtualbox, 5.2.10, 4.4.0-135-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics
Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation Mobile 945GM/GMS, 943/940GML Express
Integrated Graphics Controller [8086:7270]
Subsystem: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express
Integrated Graphics Controller [8086:7270]
InstallationDate: Installed on 2014-08-07 (1504 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac
(20140417)
MachineType: Apple Inc. MacBook2,1
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-34-generic
root=UUID=cff0943b-896f-4480-a885-69bef7b3e8cd ro quiet splash nomodeset
vt.handoff=1
Renderer: Software
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/27/07
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB21.88Z.00A5.B07.0706270922
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F4208CAA
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F4208CAA
dmi.modalias:
dmi:bvnAppleInc.:bvrMB21.88Z.00A5.B07.0706270922:bd06/27/07:svnAppleInc.:pnMacBook2,1:pvr1.0:rvnAppleInc.:rnMac-F4208CAA:rvrPVT:cvnAppleInc.:ct10:cvrMac-F4208CAA:
dmi.product.family: MacBook
dmi.product.name: MacBook2,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
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
xserver.bootTime: Wed Sep 19 18:22:45 2018
xserver.configfile: default
xserver.errors:
open /dev/dri/card0: No such file or directory
open /dev/dri/card0: No such file or directory
Screen 0 deleted because of no matching config section.
AIGLX: reverting to software rendering
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.19.6-1ubuntu4
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