Public bug reported:

Binary package hint: xserver-xorg-video-ati

Using Ubuntu jaunty

kernel: 2.6.28-4-generic #6-Ubuntu SMP Thu Jan 1 22:53:33 UTC 2009
x86_64 GNU/Linux

Machine is an Intel 3GHz core 2 quad on an ASUS motherboard.

lspci -vv:
01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3450
        Subsystem: Hightech Information System Ltd. Device 2000
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Step
ping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at feae0000 (64-bit, non-prefetchable) [size=64K]
        Region 4: I/O ports at e000 [size=256]
        Expansion ROM at feac0000 [disabled] [size=128K]
        Capabilities: [50] 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-
        Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 
unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupporte
d-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- 
TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency 
L0 <64ns, L1 <1us
                        ClockPM- Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [100] Vendor Specific Information <?>

Using xserver-xorg-video-ati package version
1:6.9.0+git20081003.f9826a56-0ubuntu5, X starts and runs in 1920x1200
resolution, although without accelerated graphics.

Using version 1:6.9.0+git20081003.f9826a56-0ubuntu6, boot is normal until 
through the Ubuntu splash screen.  However, at the stage when the gdm login 
would normally appear, it then does one of:
1) blank screen
2) blank screen, with occasional flash back to text mode
3) random garbage on screen in graphics mode
4) low-resolution graphics gray background, with a failure message and three 
options for fixing the graphics configuration.  None of these work.

Reverting to the 0ubuntu5 package fixes the problem.

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

-- 
radeon driver failure on HD 3450
https://bugs.launchpad.net/bugs/313338
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