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List: linux-ide
Subject: Poor hd-performance (ALI M15x3-Chipset)
From: Andre Duffeck <andre () duffeck ! de>
Date: 2004-11-26 17:02:11
Message-ID: 1101488531.5324.14.camel () laptop
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hello,
i'm experiencing extremely poor performance of my harddisk. it is a
laptop-disk, but it should be faster, i think.
laptop:/usr/src/linux/linux-2.6.9# hdparm -tT /dev/hda
/dev/hda:
Timing cached reads: 1248 MB in 2.00 seconds = 623.16 MB/sec
Timing buffered disk reads: 14 MB in 10.85 seconds = 1.29 MB/sec
laptop:/home/andre# hdparm /dev/hda
/dev/hda:
multcount = 0 (off)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 16383/255/63, sectors = 30005821440, start = 0
playing with the settings did not help.
laptop:/usr/src/linux/linux-2.6.9# hdparm -X66 /dev/hda
/dev/hda:
setting xfermode to 66 (UltraDMA mode2)
laptop:/home/andre# hdparm -c1 /dev/hda
/dev/hda:
setting 32-bit IO_support flag to 1
IO_support = 1 (32-bit)
laptop:/home/andre# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 14 MB in 10.75 seconds = 1.30 MB/sec
here some more information:
dmesg:
ALI15X3: IDE controller at PCI slot 0000:00:10.0
ACPI: PCI interrupt 0000:00:10.0[A]: no GSI
ALI15X3: chipset revision 196
ALI15X3: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x2480-0x2487, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0x2488-0x248f, BIOS settings: hdc:DMA, hdd:pio
Probing IDE interface ide0...
hda: FUJITSU MHR2030AT, ATA DISK drive
lspci:
0000:00:10.0 IDE interface: ALi Corporation M5229 IDE (rev c4)
Can anybody guess what's wrong here?
thank you,
André
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