Ubuntu
gdm package

A recent (Oct 12) update b0rked my X setup

Bug #152208 reported by Michael R. Head
2
Affects Status Importance Assigned to Milestone
gdm (Ubuntu)
New
High
Unassigned
Ubuntu ubuntu-7.10-rc

Bug Description

Binary package hint: gdm

Well, I'm not totally sure this is a gdm problem, but it was one of the only that has been updated today related to X, so I'm starting the report here.

On my laptop, I keep a Xinerama setup with 2 screens so that I can plug in a second screen, restart X and be using it. So far, this has been working perfectly on gutsy. If X starts without the second screen plugged in, then I get a single screen. If X starts when the second monitor is attached, then I get 2 screens and I can give presentations nicely.

Some update from today (I update once or twice a day) is now causing X to bail when it determines the second screen is not attached. After manually removing all references to the second screen in /etc/X11/xorg.conf, I was able to get X started again and report this bug.

Revision history for this message
Michael R. Head (burner) wrote :

Also, when I used displayconfig-gtk to rebuild the same config, it broke X again, and I had rebuild the X config with "sudo dpkg-reconfigure xserver-xorg"

Revision history for this message
Sebastien Bacher (seb128) wrote :

That's like due to this change

" [ Matthew Garrett ]
   * debian/patches/63_xrandr_virtual.patch:
     - on randr1.0 drivers, set the virtual to the screen resolution in
       order to avoid panning setups (part of LP: #137517)"

Changed in gdm:
assignee: nobody → mjg59
importance: Undecided → High
milestone: none → ubuntu-7.10-rc
Revision history for this message
Matthew Garrett (mjg59) wrote :

What driver is this? What do you mean by "bail"?

Revision history for this message
Michael R. Head (burner) wrote :

nvidia. The "nvidia" logo pops up, and a mouse pointer appears, but then X dies (the display switches back to a text console). Eventually, a text screen pops up saying the X keeps crashing. After a minute or two, it starts trying to load X again, and it continues to fail.

Revision history for this message
Forceflow (baertman) wrote :

Maybe this one is related to this too:

https://bugs.launchpad.net/ubuntu/+bug/152780

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