[arrandale] Display port monitor works only if plugged in at startup

[Cima]

Binary package hint: xserver-xorg-video-intel

On a HP 8440p, I use the external monitor through the Display Port (and adapter to DVI). The monitor will not work unless I switch it on and immediately plug it in just after I power on the laptop (basically, I have to switch it on and connect it when I see the bios welcome screen).
Once the monitor works, I can reboot and it will still work. If I switch off, I have to redo the same procedure.
Output through VGA works instead normally.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xserver-xorg-video-intel 2:2.12.0-1ubuntu5.1
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
DRM.card0.DisplayPort.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768 1366x768
 edid-base64: AP///////wAGrzwUAAAAAAATAQSVHxF4AkUlnFtVnCcZUFQAAAABAQEBAQEBAQEBAQEBAQEBEhtWRlAAIzAmFjYANa0QAAAYDBJWRlAAIzAmFjYANa0QAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgAMRegLPGQSEh1uICAgAK4=
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.DisplayPort.4:
 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.HDMI_Type_A.3:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1280x1024 1280x1024 1280x960 1280x960 1152x864 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wAFIyUZtQEAACIRAQOAJR546v1WpVNKnSQUT1S/74BFRnFAcU+BQIFPgYCBioGPMCoAmFEAKkAwcBMAdy0RAAAeAAAA/QAxSx5QDgAKICAgICAgAAAA/ABFLTE5MSBEVkkKICAgAAAA/wA0MzcKICAgICAgICAgAHs=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Wed Nov 24 09:37:15 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Hewlett-Packard HP EliteBook 8440p
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=dd347085-6cbd-4afe-8e88-91d48b6f5722 ro quiet splash
ProcEnviron:
 LANGUAGE=it_IT:en_GB:en
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/zsh
SourcePackage: xserver-xorg-video-intel
dmi.bios.date: 02/23/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CCU Ver. F.05
dmi.board.name: 172A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 30.29
dmi.chassis.asset.tag: CZC012390V
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CCUVer.F.05:bd02/23/2010:svnHewlett-Packard:pnHPEliteBook8440p:pvr:rvnHewlett-Packard:rn172A:rvrKBCVersion30.29:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8440p
dmi.sys.vendor: Hewlett-Packard
system:
 distro: Ubuntu
 codename: maverick
 architecture: i686
 kernel: 2.6.35-22-generic

[lspci]
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:172a]

[Tomi Juvonen (tomi-juvonen)]

I have HP 8440p and HP LP2475w display which has native DisplayPort. Display is automatically detected and desktop extended every time I plug display in with DP cable and it doesn't need to be connected at boot.

Ubuntu 10.10
2.6.35-22-generic x86_64
xserver-xorg-video-intel Version: 2:2.12.0-1ubuntu5.1

So I have x86_64 version instead of i686 but otherwise identical setup.

[bugbot (bugbot)]

Hey Cima,

Thanks for your interest in Ubuntu.

Thanks for testing maverick during its development period. Unfortunately it looks like this bug report didn't get attention during the maverick development period. But I see there's not been more comments on the bug since the release, which makes me wonder if this is still an issue for you?

If you've not seen this issue since maverick's release yourself, it may have been solved by kernel or X or other updates that occurred late in the release; if so, would you mind please closing the bug for us? Go to the URL mentioned in this bug report, click the yellow icon(s) in the status column and set to 'Fix Released'.

If you no longer have the hardware needed to reproduce the problem, or otherwise feel the bug no longer needs tracked in Launchpad, you can set the status to 'Invalid'.

If you are the original reporter and still have this issue, just reply to this email saying so. (Or set the bug status to Confirmed.) If you are able to re-test this against 11.04 Natty Narwhal (our current development focus) and find the issue still affects Natty, please also run 'apport-collect <bug-number>' while running natty, which will add fresh logs and debug data, and flag it for the Ubuntu-X development team to look at.