Re: ICH5 with 2.6.1 very slow

[Kyle]

Today I tried "lspci -vvv -xxx" with 2.6.1, forgotten to do this with
2.4.20, and I found this:

00:1f.1 IDE interface: Intel Corp. 82801EB ICH5 IDE (rev 02) (prog-if 8a
[Master SecP PriP])
        Subsystem: Intel Corp.: Unknown device 4c43
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0
        Interrupt: pin A routed to IRQ 18
        Region 0: I/O ports at <unassigned>
        Region 1: I/O ports at <unassigned>
        Region 2: I/O ports at <unassigned>
        Region 3: I/O ports at <unassigned>
        Region 4: I/O ports at ffa0 [size=16]
        Region 5: Memory at 7f800000 (32-bit, non-prefetchable) [size=1K]

00:1f.2 IDE interface: Intel Corp.: Unknown device 24d1 (rev 02) (prog-if 8f
[Master SecP SecO PriP PriO])
        Subsystem: Intel Corp.: Unknown device 4c43
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0
        Interrupt: pin A routed to IRQ 18
        Region 0: I/O ports at e800 [size=8]
        Region 1: I/O ports at e400 [size=4]
        Region 2: I/O ports at e000 [size=8]
        Region 3: I/O ports at dc00 [size=4]
        Region 4: I/O ports at d800 [size=16]

00:1d.2 USB Controller: Intel Corp. 82801EB USB (Hub #3) (rev 02) (prog-if
00 [UHCI])
        Subsystem: Intel Corp.: Unknown device 4c43
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0
        Interrupt: pin C routed to IRQ 18
        Region 4: I/O ports at d000 [size=32]

[root@s1 kyle]# hdparm -i /dev/hda

/dev/hda:

 Model=WDC WD2500JB-00EVA0, FwRev=15.05R15, SerialNo=WD-WMAEH1328328
 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
 RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
 BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4
 DMA modes:  mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: device does not report version:  1 2 3 4 5 6

Does it means that ICH5 shared IRQ 18 with USB and cause the performance
problem?
I'll try to submit this to bugzilla.

Kyle

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