Public bug reported:
Installation and booting is shown correctly on monitor when connected to
servers (a Dell PowerEdge 1850) front VGA connector. However after the
boot process is completed and the login prompt should show up, the
monitor doesn't display anything anymore (black) - as if there is no
input.
On dmesg I found the following errors:
[ 62.364246] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 34
[ 62.364385] Raw EDID:
[ 62.364419] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.364494] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.364575] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.364655] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.364736] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.364817] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.364892] 45 4c 4c 20 32 30 30 31 46 50 09 ff ff ff ff ff
[ 62.364966] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.366200] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a monitor
but no|invalid EDID
[ 62.427863] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 199
[ 62.427991] Raw EDID:
[ 62.428038] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.428147] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.428245] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.428355] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.428444] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.428542] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.428635] 45 4c 4c 20 32 30 30 31 46 ff ff ff ff ff ff ff
[ 62.428732] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.429959] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a monitor
but no|invalid EDID
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Mon Apr 4 13:03:27 2016
InstallationDate: Installed on 2016-04-04 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04.4 LTS "Trusty Tahr" - Release amd64
(20160217.1)
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
** Description changed:
Installation and booting is shown correctly on monitor when connected to
- servers front VGA connector. However after the boot process is completed
- and the login prompt should show up, the monitor doesn't display
- anything anymore (black) - as if there is no input.
+ servers (a Dell PowerEdge 1850) front VGA connector. However after the
+ boot process is completed and the login prompt should show up, the
+ monitor doesn't display anything anymore (black) - as if there is no
+ input.
On dmesg I found the following errors:
[ 62.364246] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 34
[ 62.364385] Raw EDID:
[ 62.364419] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.364494] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.364575] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.364655] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.364736] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.364817] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.364892] 45 4c 4c 20 32 30 30 31 46 50 09 ff ff ff ff ff
[ 62.364966] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.366200] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a
monitor but no|invalid EDID
[ 62.427863] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 199
[ 62.427991] Raw EDID:
[ 62.428038] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.428147] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.428245] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.428355] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.428444] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.428542] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.428635] 45 4c 4c 20 32 30 30 31 46 ff ff ff ff ff ff ff
[ 62.428732] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.429959] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a
monitor but no|invalid EDID
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Mon Apr 4 13:03:27 2016
InstallationDate: Installed on 2016-04-04 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04.4 LTS "Trusty Tahr" - Release amd64
(20160217.1)
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/1565699
Title:
Front VGA connector not showing output
Status in xorg package in Ubuntu:
New
Bug description:
Installation and booting is shown correctly on monitor when connected
to servers (a Dell PowerEdge 1850) front VGA connector. However after
the boot process is completed and the login prompt should show up, the
monitor doesn't display anything anymore (black) - as if there is no
input.
On dmesg I found the following errors:
[ 62.364246] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 34
[ 62.364385] Raw EDID:
[ 62.364419] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.364494] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.364575] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.364655] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.364736] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.364817] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.364892] 45 4c 4c 20 32 30 30 31 46 50 09 ff ff ff ff ff
[ 62.364966] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.366200] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a
monitor but no|invalid EDID
[ 62.427863] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 199
[ 62.427991] Raw EDID:
[ 62.428038] 00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 4b 34 30
[ 62.428147] 04 0f 01 03 0e 29 1f 78 ee 63 90 a3 57 4b 9b 25
[ 62.428245] 11 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01 01 01
[ 62.428355] 01 01 01 01 01 01 48 3f 40 30 62 b0 32 40 40 c0
[ 62.428444] 13 00 6f 13 11 00 00 1e 00 00 00 ff 00 43 30 38
[ 62.428542] 38 31 35 31 49 30 34 4b 4c 20 00 00 00 fc 00 44
[ 62.428635] 45 4c 4c 20 32 30 30 31 46 ff ff ff ff ff ff ff
[ 62.428732] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 62.429959] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a
monitor but no|invalid EDID
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Mon Apr 4 13:03:27 2016
InstallationDate: Installed on 2016-04-04 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04.4 LTS "Trusty Tahr" - Release amd64
(20160217.1)
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
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