Comment 77 for bug 107115

Same issue for me. This only happens with fglrx driver. ATI driver works fine.

01:00.0 VGA compatible controller: ATI Technologies Inc RV630 [Radeon HD 2600 Series] (prog-if 00 [VGA controller])
 Subsystem: VISIONTEK Unknown device 3330
 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
 Latency: 0, Cache Line Size: 16 bytes
 Interrupt: pin A routed to IRQ 16
 Region 0: Memory at c0000000 (64-bit, prefetchable) [size=256M]
 Region 2: Memory at bfee0000 (64-bit, non-prefetchable) [size=64K]
 Region 4: I/O ports at c000 [size=256]
 Expansion ROM at bfec0000 [disabled] [size=128K]
 Capabilities: <access denied>