[Bug 35579] Poor performance in Firefox 4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35579

--- Comment #1 from Konstantin Svist <fry.kun at gmail.com> 2011-03-22 20:14:23 PDT ---
lspci:

01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon Mobility
X1400 [1002:7145] (prog-if 00 [VGA controller])
    Subsystem: Dell Device [1028:2003]
    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 43
    Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
    Region 1: I/O ports at ee00 [size=256]
    Region 2: Memory at efdf0000 (32-bit, non-prefetchable) [size=64K]
    [virtual] Expansion ROM at efd00000 [disabled] [size=128K]
    Capabilities: [50] Power Management version 2
        Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [58] Express (v1) 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- Unsupported-
            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- Surprise- 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: [80] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Address: 00000000fee0100c  Data: 4189
    Kernel driver in use: radeon
    Kernel modules: radeon

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