[Bug 312970] [NEW] total vt switch failure with intel gfx on jaunty

[Jeffrey Baker]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

Using xserver-xorg-video-intel 2:2.5.1-1ubuntu7 in Jaunty (amd64) on a
ThinkPad X61 Tablet with GM965 graphics, I can't switch VT from X.  When
I switch to another VT, I see the Ubuntu splash image and progress bar
from the boot screen, and vertical green stripes, as well as some blue
garbage near the top of the screen.  There's no cursor or console
output.  Switching back to VT 7 restores a working X11 state.

Nothing interesting appears in dmesg or Xorg.0.log.  Here's my hardware
info:

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c)
	Subsystem: Lenovo Device [17aa:20b5]
	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 2299
	Region 0: Memory at f8100000 (64-bit, non-prefetchable) [size=1M]
	Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at 1800 [size=8]
	Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+
		Address: fee0300c  Data: 41a1
	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 [0380]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a03] (rev 0c)
	Subsystem: Lenovo Device [17aa:20b5]
	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 f8200000 (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+

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

-- 
total vt switch failure with intel gfx on jaunty
https://bugs.launchpad.net/bugs/312970
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