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From: John <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: kernel-image-2.4.26-1-686: Poor ATA I/O performance
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Date: Mon, 06 Sep 2004 12:33:13 +0800
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Package: kernel-image-2.4.26-1-686
Version: 2.4.26-2
Severity: important
I've just filed a bug report against 2.6 for this same system; 2.6 does
not work on this system, so I have no workaround.
Here is my fully-tuned disk I/O performance:
ns:~# hdparm -t /dev/hda{,}
/dev/hda:
Timing buffered disk reads: 18 MB in 3.32 seconds = 5.42 MB/sec
/dev/hda:
Timing buffered disk reads: 18 MB in 3.31 seconds = 5.44 MB/sec
ns:~#
Expected performance on this hardware is 25-30 Mbytes/sec.
The drive:
ns:~# hdparm -i /dev/hda
/dev/hda:
Model=ST3120022A, FwRev=8.54, SerialNo=3JS3RFNQ
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=234441648
IORDY=on/off, tPIO={min:240,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: ATA/ATAPI-6 T13 1410D revision 2:
* signifies the current active mode
ns:~#
Note that DMA is not turned on, and I cannot turn it on.
Tuning:
ns:~# hdparm -d1 -c1 -k1 -K1 /dev/hda
/dev/hda:
setting 32-bit IO_support flag to 1
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
setting keep_settings to 1 (on)
setting drive keep features to 1 (on)
HDIO_DRIVE_CMD(keepsettings) failed: Input/output error
IO_support = 1 (32-bit)
using_dma = 0 (off)
keepsettings = 1 (on)
ns:~#
PCI:
ns:~# lspci -n
0000:00:00.0 0600: 8086:7190 (rev 03)
0000:00:01.0 0604: 8086:7191 (rev 03)
0000:00:0d.0 0100: 1000:000f (rev 26)
0000:00:0f.0 0200: 8086:1229 (rev 05)
0000:00:12.0 0601: 8086:7110 (rev 02)
0000:00:12.1 0101: 8086:7111 (rev 01)
0000:00:12.2 0c03: 8086:7112 (rev 01)
0000:00:12.3 0680: 8086:7113 (rev 02)
0000:00:14.0 0300: 1013:00bc (rev 23)
ns:~#
0000:00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge
(rev 03)
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: 64
Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans-
64bit- FW- AGP3- Rate=x1,x2
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW-
Rate=<none>
0000:00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge
(rev 03) (prog-if 00 [Normal decode])
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: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B+
0000:00:0d.0 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 26)
Subsystem: LSI Logic / Symbios Logic LSI53C876/E PCI to Dual Channel
SCSI Controller
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: 72 (4250ns min, 16000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 1400 [size=256]
Region 1: Memory at f4102000 (32-bit, non-prefetchable) [size=256]
Region 2: Memory at f4100000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 1
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
0000:00:0f.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
05)
Subsystem: Intel Corp. 82558 10/100 with Wake on LAN
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: 64 (2000ns min, 14000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at f4103000 (32-bit, prefetchable) [size=4K]
Region 1: I/O ports at 1060 [size=32]
Region 2: Memory at f4000000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at <unassigned> [disabled] [size=1M]
0000:00:12.0 ISA bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
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
0000:00:12.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01)
(prog-if 80 [Master])
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: 64
Region 4: I/O ports at 1000 [size=16]
0000:00:12.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
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: 64
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at 1080 [size=32]
0000:00:12.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02)
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-
Interrupt: pin ? routed to IRQ 9
0000:00:14.0 VGA compatible controller: Cirrus Logic GD 5480 (rev 23) (prog-if
00 [VGA])
Subsystem: Intel Corp.: Unknown device 4945
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: 64 (500ns min, 2500ns max)
Region 0: Memory at f6000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at f4101000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at <unassigned> [disabled] [size=32K]
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (990, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.4.26-1-686
Locale: LANG=C, LC_CTYPE=C
Versions of packages kernel-image-2.4.26-1-686 depends on:
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management utilities
ii initrd-tools 0.1.74 tools to create initrd image for p
ii modutils 2.4.26-1 Linux module utilities
-- no debconf information
---------------------------------------
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Date: Fri, 12 Aug 2005 18:01:59 +0200
From: Maximilian Attems <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: kernel-image-2.4.26-1-686: Poor ATA I/O performance
Message-ID: <[EMAIL PROTECTED]>
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On Fri, Aug 12, 2005 at 10:33:39PM +0800, John wrote:
> The system concerned died an horrible death and was replaced with a
> system running WBEL (because WBEL was the only realistic installation
> choice as all my network installs were done from the deceased server).
closing as the problem might well be bad hardware,
wasn't backed by a second reporter.
anyway we are moving to 2.6 as default.
that has improved ide.
no idea what WBEL is and don't really care.
> Consequently, I no longer have the hardware on which the problem
> occurred, and I've not seen the problem on anything else.
anyway have a good time.
--
maks
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