Seems like this might be fixed in the next linux-image based on 3.5.5 with the
following patch:
"drm/i915: fall back to bit-banging if GMBUS fails in CRT EDID reads"
Once linux-image-3.5.0-17-generic is available, could you test with
that?
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged => Fix Committed
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https://bugs.launchpad.net/bugs/1049534
Title:
[regression from 12.04] VGA Monitor uses reduced resolution
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Committed
Bug description:
Just upgraded from 12.04 to 12.10 beta. I have a dual monitor setup
and the monitor connected to the VGA port is useing a reduced default
resolution (1024x768) instead of it's native resolution 1280x1024
since the upgrade. I also noticed that the EDID information is missing
from Xorg.0.log.
I also attach an old Xorg log file (from 12.04) where the EDID
information is correct.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-intel 2:2.20.6-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission
denied
Date: Wed Sep 12 10:11:56 2012
DistUpgraded: 2012-09-12 09:52:48,699 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 4.1.18, 3.2.0-29-generic, x86_64: installed
virtualbox, 4.1.18, 3.5.0-14-generic, x86_64: installed
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation Device [8086:200e]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic
root=UUID=6016ba0a-e0a2-4102-b766-e77d9239fa12 ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to quantal on 2012-09-12 (0 days ago)
dmi.bios.date: 01/10/2012
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BEH6110H.86A.0038.2012.0110.1653
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DH61DL
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG14066-205
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrBEH6110H.86A.0038.2012.0110.1653:bd01/10/2012:svn:pn:pvr:rvnIntelCorporation:rnDH61DL:rvrAAG14066-205:cvn:ct3:cvr:
version.compiz: compiz 1:0.9.8.0-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri
9.0~git20120903.e1673d20.is.git20120821.c1114c61-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx
9.0~git20120903.e1673d20.is.git20120821.c1114c61-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120713.6ef1ad6a-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.6-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.1-4~ubuntu1
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