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[Robert Wall <robertlikesturtles@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-ati

I'm using an ATI Mobility Radeon HD 3450, which identifies as follows in
lspci on Jaunty:

01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3450
	Subsystem: ASUSTeK Computer Inc. Device 01f4
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at d0000000 (64-bit, prefetchable) [size=256M]
	Memory at febe0000 (64-bit, non-prefetchable) [size=64K]
	I/O ports at e000 [size=256]
	[virtual] Expansion ROM at feb00000 [disabled] [size=128K]
	Capabilities: [50] Power Management version 3
	Capabilities: [58] Express Legacy Endpoint, MSI 00
	Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
	Capabilities: [100] Vendor Specific Information <?>

01:00.1 Audio device: ATI Technologies Inc RV620 Audio device [Radeon HD 34xx Series]
	Subsystem: ASUSTeK Computer Inc. Device aa28
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Memory at febfc000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: [50] Power Management version 3
	Capabilities: [58] Express Legacy Endpoint, MSI 00
	Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
	Capabilities: [100] Vendor Specific Information <?>
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel

I created a LiveUSB of Karmic Alpha 5 using usb-creator with persistent
storage, and rebooted into it. It gets into Xorg and shows a loading
screen with a brown background and a moving white line in the center.
Then, the screen flashes six times, the line stops moving, and the
computer freezes up. Ctrl-Alt-Fx no longer works, and the only way I can
get it to respond is with Alt-SysRq-REISUB.

I extracted the relevant logfiles by mounting the persistent storage
file, and will attach them. The end of /var/log/messages (attached)
shows "[drm] Resetting GPU" six times, which would explain the six
screen flashes. I also have six Xorg.x.log files, which I'll attach
next.

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

-- 
[rv620] Karmic Alpha 5 resets the GPU repeatedly during bootup, then freezes
https://bugs.launchpad.net/bugs/424712
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