Re: gdk_x_error

[nico <nbd free fr>]

> ------------------------------
>
> Message: 6
> Date: Tue, 22 Apr 2008 12:07:46 +1200
> From: Alwin Leerling <leerling xtra co nz>
> Subject: gdk_x_error
> To: gtk-list gnome org
> Message-ID: <480D2C52 1090706 xtra co nz>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hi,
>
> Got a bit of a problem and I wondered if there was anyone out there who 
> could give me some pointers.
>
> My application runs on an embedded device with a computer on module in 
> it. On it I run Linux (kernel 2.6.20), xserver ( Xorg version 7.1.1) and 
> gtk (gtk/gdk version 2.10.9). The device is a controller for fertilizer 
> spreader trucks. My application is split into two processes; one does 
> all the actual work and the other is a pure GUI. The working process 
> sends commands through a pipe to the gui process to display information. 
> The various devices (conveyors and spinners) are physically controlled 
> by separate electronics at the back of the truck. It communicates with 
> the controller (the working process) using a bluetooth link.
>
> I designed the GUI to be one big window. In it I have used tab widgets 
> extensively to create the illusion of numerous screens. One of these 
> screens is visible when the truck driver is in actual spreading 
> operations. The back electronics continually feed device status 
> information which the working process sends to the GUI.
>
> My problem is that after a certain period my program aborts. The 
> gdk_x_error function is called (I assume from the X server).
>
> The error_code is 1 (BadRequest) Major code = 0 and Minor code = 0. I 
> understand why the X server is complaining; requests are numbered 
> starting at 1 so 0 is invalid.
> The serial data member is not constant but is generally in the 17100000 
> and 17200000 range.
>   
This seems to be a bug on Xorg for intel video device
I experimented the same kind of trouble; it was fixed by adding the
following line on the device section of xorg.conf :
Option "LinearAlloc" "6144"

For more information check bug report :
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/49360
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/124610