[Bug 345662] [NEW] [i945] Xorg + UXA hangs after submitting username and passworg in gdm, but starts with startx, Jaunty

[Matteo]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

I've just done the daily upgrade of Jaunty and I experience the following bug: my machine boots and gdm starts as usual, I submit username and password, hit "enter" and gnome does not start: xorg hangs and gdm is displayed again.
This happens with UXA enabled. If I enable EXA I do not experience any problem and Gnome starts as usual.

With UXA enabled I tried to stop gdm (via sudo /etc/init.d/gdm stop from
tty1) and then launch startx command... Gnome started as usual!

This is my system configuration: Ubuntu Jaunty AMD64, installed from
Alpha 5 and almost daily upgraded.

I've Intel Little Falls 2 D945GCLF2 with Atom 330 dual core processor with gma950
lspci :
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)

uname -r :
2.6.28-11-generic

xorg.conf :

Section "Device"
	Identifier	"Configured Video Device"
    	Driver          "intel"
        Option          "AccelMethod"          "UXA"
        Option          "XAANoOffscreenPixmaps"  "True"
        Option          "DRI"                    "True"
        Option          "NoDDC"                  "True"
        Option          "EnablePageFlip"         "True"
        Option          "RenderAccel"            "True"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
	HorizSync     	30-70
    	VertRefresh   	50-160
EndSection

The monitor resolution is 1280x1024 and has never been detected by
default, that's why I set HorizSync and VertRefresh


Packages version

xserver-xorg:
  Installed: 1:7.4~5ubuntu16
  Candidate: 1:7.4~5ubuntu16
  Version table:
 *** 1:7.4~5ubuntu16 0
        500 http://it.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

xserver-xorg-video-intel:
  Installed: 2:2.6.3-0ubuntu2
  Candidate: 2:2.6.3-0ubuntu2
  Version table:
 *** 2:2.6.3-0ubuntu2 0
        500 http://it.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

gdm:
  Installed: 2.20.10-0ubuntu1
  Candidate: 2.20.10-0ubuntu1
  Version table:
 *** 2.20.10-0ubuntu1 0
        500 http://it.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status


I attach an archive with the following files:
Xorg log with gdm start and UXA -> Xorg.0.log_20090319_2325GMT_gdm_UXA      (reveals the bug)
Xorg log with startx and UXA ->Xorg.0.log_20090319_2328GMT_startx_UXA  (works)
xorg log with gdm an EXA -> Xorg.0.log_20090319_2350GMT_gdm_EXA (works)

I hope this help

Ciao
Matteo

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: gdm i945 jaunty uxa xorg

-- 
[i945] Xorg + UXA hangs after submitting username and passworg in gdm, but starts with startx, Jaunty
https://bugs.launchpad.net/bugs/345662
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