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Message #44075
[Bug 454388] Re: intel card connected to a monitor acer AL1916 stuck at low resolution due a DDC issue
** Description changed:
Binary package hint: xserver-xorg-video-intel
After upgrade Ubuntu 9.04 to Karmic with "sudo do-release-upgrade -d" at
restart i cannot get better resolution then 800x600... to get better
resolution i must switch off the screen and the pc and then i must turn
on first the monitor and then the pc.
Please ask me for more details... i'm glad to help.
My monitor edid details when it have 800x600 resolution (please read
bottom i put the result of the same command when i get better
resolution):
sudo get-edid | parse-edid
parse-edid: parse-edid version 2.0.0
get-edid: get-edid version 2.0.0
Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Function supported
Call successful
VBE version 300
VBE string at 0x2110 "Intel(r)915G/915GV/910GL Graphics Chip Accelerated VGA BIOS"
VBE/DDC service about to be called
Report DDC capabilities
Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Function supported
Call successful
Monitor and video card combination does not support DDC1 transfers
Monitor and video card combination supports DDC2 transfers
0 seconds per 128 byte EDID block transfer
Screen is not blanked during DDC transfer
Reading next EDID block
VBE/DDC service about to be called
Read EDID
Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
Function supported
Call failed
The EDID data should not be trusted as the VBE call failed
parse-edid: EDID checksum failed - data is corrupt. Continuing anyway.
# EDID version 1 revision 3
Section "Monitor"
# Block type: 2:8e 3:ff
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
Identifier "Aer AL1916"
VendorName "ACR"
ModelName "Aer AL1916"
# Block type: 2:8e 3:ff
# Block type: 2:0 3:fd
HorizSync 30-83
VertRefresh 52-75
# Max dot clock (video bandwidth) 140 MHz
# Block type: 2:0 3:fc
# DPMS capabilities: Active off:yes Suspend:no Standby:no
Mode "1280x1024" # vfreq 60.020Hz, hfreq 63.981kHz
DotClock 108.000000
HTimings 1280 1328 1440 1688
VTimings 1024 1025 1028 1066
Flags "+HSync" "+VSync"
EndMode
# Block type: 2:8e 3:ff
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
EndSection
danilo@ubuntu:/var/log$
-----------------------
xrandr --verbose
Screen 0: minimum 320 x 200, current 800 x 600, maximum 4096 x 4096
VGA1 connected 800x600+0+0 (0x3c) normal (normal left inverted right x axis y axis) 0mm x 0mm
Identifier: 0x3b
Timestamp: 87636
Subpixel: unknown
Clones:
CRTC: 0
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
800x600 (0x3c) 40.0MHz +HSync +VSync *current
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
640x480 (0x3d) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
ProblemType: Bug
Architecture: i386
Date: Sun Oct 18 04:50:32 2009
DistroRelease: Ubuntu 9.10
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: System manufacturer System Product Name
Package: xserver-xorg-video-intel 2:2.9.0-1ubuntu2
ProcCmdLine: root=UUID=81ab79c8-7317-4c95-b504-763ca386fd8e ro ipv6.disable=1 nosplash locale=it_IT rootflags=data=writeback crashkernel=384M-2G:64M,2G-:128M
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_US.UTF-8
LANGUAGE=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu5
libgl1-mesa-glx 7.6.0-1ubuntu4
libdrm2 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2
xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 09/09/2005
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0401
dmi.board.name: P5GD1-VML
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0401:bd09/09/2005:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5GD1-VML:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
fglrx: Not loaded
system:
distro: Ubuntu
architecture: i686kernel: 2.6.31-14-generic
--------------------------------- Same command result with better
resolution --------------------------------------------------
sudo get-edid | parse-edid
parse-edid: parse-edid version 2.0.0
[sudo] password for danilo:
get-edid: get-edid version 2.0.0
Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Function supported
Call successful
VBE version 300
VBE string at 0x2110 "Intel(r)915G/915GV/910GL Graphics Chip Accelerated VGA BIOS"
VBE/DDC service about to be called
Report DDC capabilities
Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Function supported
Call successful
Monitor and video card combination does not support DDC1 transfers
Monitor and video card combination supports DDC2 transfers
0 seconds per 128 byte EDID block transfer
Screen is not blanked during DDC transfer
Reading next EDID block
VBE/DDC service about to be called
Read EDID
Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
Function supported
Call successful
parse-edid: EDID checksum passed.
# EDID version 1 revision 3
Section "Monitor"
# Block type: 2:0 3:ff
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
Identifier "Acer AL1916"
VendorName "ACR"
ModelName "Acer AL1916"
# Block type: 2:0 3:ff
# Block type: 2:0 3:fd
HorizSync 30-83
VertRefresh 55-75
# Max dot clock (video bandwidth) 140 MHz
# Block type: 2:0 3:fc
# DPMS capabilities: Active off:yes Suspend:no Standby:no
Mode "1280x1024" # vfreq 60.020Hz, hfreq 63.981kHz
DotClock 108.000000
HTimings 1280 1328 1440 1688
VTimings 1024 1025 1028 1066
Flags "+HSync" "+VSync"
EndMode
# Block type: 2:0 3:ff
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
EndSection
danilo@ubuntu:~$
xrandr --verbose
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 4096 x 4096
VGA1 connected 1280x1024+0+0 (0x3c) normal (normal left inverted right x axis y axis) 376mm x 301mm
Identifier: 0x3b
Timestamp: 39443
Subpixel: unknown
Clones:
CRTC: 0
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID_DATA:
00ffffffffffff00047249adaa0e7080
0712010368261e6b2a6760a25a499e23
135054bfef00818f8180714f7140614f
6140454f4540302a009851002a403070
1300782d1100001e000000ff004c3439
3038363739343244490a000000fd0037
4b1e530e000a202020202020000000fc
004163657220414c313931360a200098
1280x1024 (0x3c) 108.0MHz +HSync +VSync *current +preferred
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.0Hz
1280x1024 (0x3d) 135.0MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.0Hz
1024x768 (0x3e) 78.8MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz
v: height 768 start 769 end 772 total 800 clock 75.1Hz
1024x768 (0x3f) 75.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.5KHz
v: height 768 start 771 end 777 total 806 clock 70.1Hz
1024x768 (0x40) 65.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
832x624 (0x41) 57.3MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.7KHz
v: height 624 start 625 end 628 total 667 clock 74.6Hz
800x600 (0x42) 50.0MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.1KHz
v: height 600 start 637 end 643 total 666 clock 72.2Hz
800x600 (0x43) 49.5MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz
v: height 600 start 601 end 604 total 625 clock 75.0Hz
800x600 (0x44) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x45) 36.0MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
640x480 (0x46) 31.5MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz
v: height 480 start 489 end 491 total 520 clock 72.8Hz
640x480 (0x47) 31.5MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz
v: height 480 start 481 end 484 total 500 clock 75.0Hz
640x480 (0x48) 30.2MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.0KHz
v: height 480 start 483 end 486 total 525 clock 66.7Hz
640x480 (0x49) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 60.0Hz
720x400 (0x4a) 28.3MHz -HSync +VSync
h: width 720 start 738 end 846 total 900 skew 0 clock 31.5KHz
v: height 400 start 412 end 414 total 449 clock 70.1Hz
+
+
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation 82915G/GV/910GL Integrated Graphics Controller [8086:2582] (rev 0e)
+ Subsystem: ASUSTeK Computer Inc. Device [1043:2582]
--
intel card connected to a monitor acer AL1916 stuck at low resolution due a DDC issue
https://bugs.launchpad.net/bugs/454388
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which is subscribed to xserver-xorg-video-intel in ubuntu.
References
