Comment 38 for bug 288620

Natty, fglrx Version: 2:8.861-0ubuntu1
Error just happened on my notebook HP dv6:

Aug 1 08:31:09 stefano-dv6 kernel: [ 1639.244789] [fglrx:fireglAsyncioIntDisableMsgHandler] *ERROR* IRQMGR returned error 2 when trying to disable interrupt source ff000034

followed by a panic.

Proprietary fglrx installed, discrete gpu running:

root@stefano-dv6:/var/log# lspci -vvnn -s 01:05.0
01:05.0 VGA compatible controller [0300]: ATI Technologies Inc M880G [Mobility Radeon HD 4200] [1002:9712] (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Device [103c:1440]
        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, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 18
        Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
        Region 1: I/O ports at 4000 [size=256]
        Region 2: Memory at f0400000 (32-bit, non-prefetchable) [size=64K]
        Region 5: Memory at f0300000 (32-bit, non-prefetchable) [size=1M]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000 Data: 0000
        Kernel driver in use: fglrx_pci
        Kernel modules: fglrx, radeon