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SubjectRe: disk transfer speed problem
From: Tim Moore
>Please post dmesg, /proc/pci and chipset info from /proc/ide. Also,
>what is result from 'hdparm -tT /dev/hda'?

From: Andre Hedrick
>What is more useful is the cat /proc/ide/ide0/config !!!


[root@bugmaster /root]# cat /proc/ide/ide0/config
pci bus 00 device f9 vid 8086 did 244b channel 0
86 80 4b 24 05 00 80 02 11 80 01 01 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a1 ff 00 00 00 00 00 00 00 00 00 00 86 80 4d 42
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
07 a3 77 e3 38 00 00 00 0d 00 02 33 00 00 00 00
00 00 00 00 5d 04 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 4d 04 00 00 00 00 00 00

[root@bugmaster /root]# cat /proc/ide/ide1/config
pci bus 00 device f9 vid 8086 did 244b channel 1
86 80 4b 24 05 00 80 02 11 80 01 01 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a1 ff 00 00 00 00 00 00 00 00 00 00 86 80 4d 42
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
07 a3 77 e3 38 00 00 00 0d 00 02 33 00 00 00 00
00 00 00 00 5d 04 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 4d 04 00 00 00 00 00 00

[root@bugmaster /root]# cat /proc/pci
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: PCI device 8086:1130 (Intel Corporation) (rev 4).
Bus 0, device 2, function 0:
VGA compatible controller: PCI device 8086:1132 (Intel Corporation) (rev 4).

IRQ 11.
Prefetchable 32 bit memory at 0xf8000000 [0xfbffffff].
Non-prefetchable 32 bit memory at 0xffa80000 [0xffafffff].
Bus 0, device 30, function 0:
PCI bridge: Intel Corporation 82801BAM PCI (rev 17).
Master Capable. No bursts. Min Gnt=6.
Bus 0, device 31, function 0:
ISA bridge: Intel Corporation 82801BA ISA Bridge (ICH2) (rev 17).
Bus 0, device 31, function 1:
IDE interface: Intel Corporation 82801BA IDE U100 (rev 17).
I/O at 0xffa0 [0xffaf].
Bus 0, device 31, function 2:
USB Controller: Intel Corporation 82801BA(M) USB (Hub A) (rev 17).
IRQ 10.
I/O at 0xef40 [0xef5f].
Bus 0, device 31, function 3:
SMBus: Intel Corporation 82801BA(M) SMBus (rev 17).
IRQ 9.
I/O at 0xefa0 [0xefaf].
Bus 0, device 31, function 4:
USB Controller: Intel Corporation 82801BA(M) USB (Hub B) (rev 17).
IRQ 6.
I/O at 0xef80 [0xef9f].
Bus 1, device 8, function 0:
Ethernet controller: Intel Corporation 82801BA(M) Ethernet (rev 3).
IRQ 3.
Master Capable. Latency=32. Min Gnt=8.Max Lat=56.
Non-prefetchable 32 bit memory at 0xff8ff000 [0xff8fffff].
I/O at 0xdf00 [0xdf3f].

[root@bugmaster /root]# cat /proc/ide/drivers
ide-floppy version 0.98
ide-disk version 1.11

[root@bugmaster /root]# cat /proc/ide/piix

Intel PIIX4 Ultra 100 Chipset.
--------------- Primary Channel ---------------- Secondary Channel -------------
enabled enabled
--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------
DMA enabled: yes no yes yes
UDMA enabled: yes no yes yes
UDMA enabled: 4 X 4 4
UDMA
DMA
PIO

[root@bugmaster /root]# /sbin/hdparm -tT /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 1.10 seconds =116.36 MB/sec
Timing buffered disk reads: 64 MB in 3.73 seconds = 17.16 MB/sec
[root@bugmaster /root]# /sbin/hdparm -tT /dev/hda;/sbin/hdparm -i /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 1.11 seconds =115.32 MB/sec
Timing buffered disk reads: 64 MB in 3.48 seconds = 18.39 MB/sec

/dev/hda:

Model=QUANTUM FIREBALLlct15 07, FwRev=A01.0F00, SerialNo=611025994167
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=15522/15/63, TrkSize=32256, SectSize=21298, ECCbytes=4
BuffType=DualPortCache, BuffSize=418kB, MaxMultSect=16, MultSect=16
CurCHS=15522/15/63, CurSects=-771620641, LBA=yes, LBAsects=14668290
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 udma0 udma1 udma2 udma3 *udma4



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