Also affecting 12.04.5 on this system.
** Also affects: xorg-lts-transitional (Ubuntu)
Importance: Undecided
Status: New
** Package changed: xorg-lts-transitional (Ubuntu) => xserver-xorg-
video-ati-lts-trusty (Ubuntu)
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https://bugs.launchpad.net/bugs/1271483
Title:
No display with radeon driver for Display Port on [AMD Radeon HD
8490][1002:6771]
Status in “xserver-xorg-video-ati-lts-raring” package in Ubuntu:
New
Status in “xserver-xorg-video-ati-lts-trusty” package in Ubuntu:
New
Bug description:
CID: 201303-13015 Dell Optiplex XE2
There is one DP port and one DVI port on this video card.
DVI video output works fine, but DP does not.
Steps:
1. Boot with DVI port plugged, install 12.04.3 + update (3.8.0-35)
2. Try to boot with DP port or hot plug the DP cable
Expected result:
* DP port video should work.
Actual result:
* The big Dell logo will shows up, then the purple screen without any text,
finally no video signal detected, monitor will enter idle mode.
Note:
* If you use a HDMI->DP adapter, it works.
WORKAROUND:
* Install the proprietary driver could make it work, therefore this bug is no
longer a blocker.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-35-generic 3.8.0-35.50~precise1
ProcVersionSignature: Ubuntu 3.8.0-35.50~precise1-generic 3.8.13.13
Uname: Linux 3.8.0-35-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.8.0-35-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1729 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1729 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf0130000 irq 46'
Mixer name : 'Realtek ALC280'
Components : 'HDA:10ec0280,102805c1,00100003'
Controls : 28
Simple ctrls : 13
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xf0040000 irq 48'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 7
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
CurrentDmesg: [ 21.639396] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link
becomes ready
Date: Wed Jan 22 18:03:13 2014
HibernationDevice: RESUME=UUID=71ad10ae-b851-4d4b-aa98-a9f502fdfd06
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. OptiPlex XE2
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-35-generic
root=UUID=e3963e2a-dd85-44f5-a372-1ca9797e111d ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-35-generic N/A
linux-backports-modules-3.8.0-35-generic N/A
linux-firmware 1.79.9
RfKill:
SourcePackage: linux-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/09/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: X44
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 15
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrX44:bd03/09/2013:svnDellInc.:pnOptiPlexXE2:pvr01:rvnDellInc.:rn:rvr:cvnDellInc.:ct15:cvr:
dmi.product.name: OptiPlex XE2
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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