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[Bug 682864] [NEW] Display freeze after VGA cable disconnected

 

Public bug reported:

Binary package hint: xorg

I routinely disconnect the external monitor cable (VGA) from my laptop
(Lenovo x200s) to connect it to my work desktop when I need to print
things (yes, a kvm switch would be nice).

After doing that today and coming back about 4 minutes later (about) I
returned to my laptop's display (at least) frozen. Nothing would
respond. I attempted CTRL+ALT+F1 to no avail. I had to do a hard reboot.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xorg 1:7.5+6ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-23.40-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic x86_64
Architecture: amd64
CheckboxSubmission: 092f2439039e27e0f66d9a90ecbe6957
CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
DRM.card0.DisplayPort.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.DisplayPort.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.DisplayPort.3:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.HDMI_Type_A.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.HDMI_Type_A.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900
 edid-base64: AP///////wAwrhRAAAAAADMTAQOAGhB46uWVk1ZPkCgoUFQAAAABAQEBAQEBAQEBAQEBAQEB8BygoFCEGjAYEDYABaMQAAAY8BygoFCEGjAYEDYABaMQAAAYAAAADwCVCjKVCjIZAQAwZABVAAAA/gBMVEQxMjFFUTNCCiAgAIk=
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1680x1050 1600x1200 1280x1024 1440x900 1280x960 1024x768 800x600 640x480 720x400
 edid-base64: AP///////wAi8EcoAQEBARMUAQNoLx547jbFpFVMnCUSUFShCACBQIGAlQCpQLMAAQEBAQEBITmQMGIaJ0BosDYA2SgRAAAcAAAA/QAyTBhTEQAKICAgICAgAAAA/ABMQTIyMDUKICAgICAgAAAA/wAzQ1EwMTkwVjVHCiAgAOA=
Date: Mon Nov 29 16:09:51 2010
DkmsStatus:
 virtualbox-ose, 3.2.8, 2.6.35-22-generic, x86_64: installed 
 virtualbox-ose, 3.2.8, 2.6.32-24-generic, x86_64: built 
 virtualbox-ose, 3.2.8, 2.6.35-23-generic, x86_64: installed
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100113)
MachineType: LENOVO 7465CTO
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic root=UUID=6886f363-9f1c-4c1d-99da-273344848f40 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 11/10/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6DET61WW (3.11 )
dmi.board.name: 7465CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6DET61WW(3.11):bd11/10/2009:svnLENOVO:pn7465CTO:pvrThinkPadX200s:rvnLENOVO:rn7465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7465CTO
dmi.product.version: ThinkPad X200s
dmi.sys.vendor: LENOVO
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           maverick
 architecture:       x86_64
 kernel:             2.6.35-23-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug maverick ubuntu-une

-- 
Display freeze after VGA cable disconnected
https://bugs.launchpad.net/bugs/682864
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