[Bug 353237] [NEW] 2:2.4.1-1ubuntu10.4 breaks resolution detection of VGA output

[Andrew]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

I have a dell 2000FP monitor that has a native resolution of 1600x1200.
It has always worked in Ubuntu, correctly displaying the 1600x1200 @
60Hz mode. That is until yesterday when I installed the
2:2.4.1-1ubuntu10.4 version of xserver-xorg-video-intel. I have this
monitor connected to work laptop at the moment (Dell Latitude D630) on
the VGA output.

Now this is my xrandr output:
VGA connected 1400x1050+0+0 (normal left inverted right x axis y axis) 367mm x 275mm
   1440x900       59.9 +
   1680x1050      60.0  
   1600x1024      60.2  
   1400x1050      70.0     60.0* 
   1280x1024      75.0     60.0     60.0  
   1280x960       60.0  
   1360x768       59.8  
   1152x864       75.0     75.0     75.0     70.0     60.0  
   1024x768       75.1     75.0     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     75.0     60.0     59.9  
   720x400        70.1  
LVDS connected 1440x900+1400+0 (normal left inverted right x axis y axis) 304mm x 190mm
   1440x900       60.0*+   59.9  
   1360x768       59.8  
   1152x864       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  

As you can see, 1600x1200 is missing

Pertinent output of lspci -vv:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
	Subsystem: Dell Device 01f9
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at fea00000 (64-bit, non-prefetchable) [size=1M]
	Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at efe8 [size=8]
	Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
		Address: 00000000  Data: 0000
	Capabilities: [d0] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
		Bridge: PM- B3+
	Kernel modules: intelfb

00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
	Subsystem: Dell Device 01f9
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: Memory at feb00000 (64-bit, non-prefetchable) [size=1M]
	Capabilities: [d0] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
		Bridge: PM- B3+


I will attempt to find the previous version of the driver and install it as this will not work at all for me.


FYI, I tried "ubuntu-bug -p xserver-xorg-video-intel", but it fails with a not implemented exception and this is printed to the console:
Error:            Cannot open display ":0 -"
                  Exiting

This is on Ubuntu Intrepid

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

-- 
2:2.4.1-1ubuntu10.4 breaks resolution detection of VGA output
https://bugs.launchpad.net/bugs/353237
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