Bug 22976

Summary:

[i855] resolution ends up being 1024x768, changing resolution with xrandr does not work.

Product:

xorg

Reporter:

Bryce Harrington <bryce>

Component:

Driver/intel

Assignee:

ykzhao <yakui.zhao>

Status:

RESOLVED DUPLICATE

QA Contact:

Xorg Project Team <xorg-team>

Severity:

normal

Priority:

medium

CC:

michael.fu

Version:

7.4 (2008.09)

Keywords:

NEEDINFO

Hardware:

x86 (IA32)

OS:

Linux (All)

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
Xorg.0.log	none

Description Bryce Harrington 2009-07-27 15:49:06 UTC

Forwarding this bug from Ubuntu reporter Jonas Haraldsson:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/391084

[Problem]
Changing resolution with xrandr does not work.

[Original Description]
Today I upgraded my laptop to Karmic and updated to all the newest packages.

After the upgrade the resolution of the external display changed back to 1024x768. (I had it working at 1280x1024).
Changing the resolution with xrandr did not work at all any more. Nothing happens when i type, for example:
xrandr --output VGA --mode 1280x1024, or some other resolution, no error message, no flickering display, just nothing.

After tomorrow, I will not have access to this computer again until in september.


[lspci]
00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

Comment 1 Bryce Harrington 2009-07-27 15:52:40 UTC

Created attachment 28053 [details]
Xorg.0.log

Comment 2 Michael Fu 2009-07-27 18:43:48 UTC

would you please attach xorg.log with option modedebug true in xorg.conf,  and  xrandr output?

Comment 3 ykzhao 2009-07-27 23:02:50 UTC

Will you please also attach the output of vbios dump?
thanks.

Comment 4 Jonas Haraldsson 2009-07-28 05:27:08 UTC

(In reply to comment #3)
> Will you please also attach the output of vbios dump?
> thanks.
> 

Hi,

Unfortunately I do not have this computer right now. I will get it back in the end of august or beginning of september. I will come back with the requested information then.

Comment 5 Michael Fu 2009-08-06 02:10:09 UTC

copied from launchpad bugzilla:

---

Jonas Haraldsson  wrote on 2009-07-10:

After restoring xorg.conf to default (removing virtual resolution), X-Server / GDM works again.

Now changing resolution of the external display works without problems, even with
System -> Preferences -> Appearance -> Visual Effects: normal.

But the other problem remains, that xrandr does not work (nothing happens).

I attach Xorg.0.log and Xorg.0.log.old agagin.

---

this doesn't look like a driver bug...

Comment 6 Michael Fu 2009-08-06 18:41:56 UTC

"xrandr --output VGA --mode 1280x1024"

output name is changed to VGA1 in KMS ... I found this in your downstream post. I run into similar senario this morning myself and just realized you probably made the same "mistake"...

Comment 7 Michael Fu 2009-08-10 17:40:48 UTC


*** This bug has been marked as a duplicate of bug 23016 ***

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