Re: [2.6] system is very slow during disk access

Michael Buesch
2003-08-06T20:47:29Z

On Wednesday 06 August 2003 22:31, insecure wrote:
> hdparm -T -t output? dmesg? lspci? /proc/ide stuff?

root@lfs:/home/mb> hdparm -T -t /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 0.37 seconds =343.22 MB/sec
Timing buffered disk reads: 64 MB in 1.53 seconds = 41.81 MB/sec

dmesg doesn't show any unusual messages.

root@lfs:/home/mb> lspci
00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge (rev 04)
00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge (rev 04)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 05)
00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 05)
00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 05)
00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 05)
00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 05)
00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 05)
01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti4400] (rev a2)
03:02.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
03:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
03:03.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
03:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
03:0c.0 USB Controller: NEC Corporation USB (rev 41)
03:0c.1 USB Controller: NEC Corporation USB (rev 41)
03:0c.2 USB Controller: NEC Corporation USB 2.0 (rev 02)

root@lfs:/home/mb> cat /proc/ide/drivers
ide-cdrom version 4.59-ac1
ide-disk version 1.18

root@lfs:/home/mb> cat /proc/ide/hda/settings
name value min max mode
- ---- ----- --- --- ----
acoustic 0 0 254 rw
address 0 0 2 rw
bios_cyl 79780 0 65535 rw
bios_head 16 0 255 rw
bios_sect 63 0 63 rw
bswap 0 0 1 r
current_speed 69 0 70 rw
failures 0 0 65535 rw
init_speed 69 0 70 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
lun 0 0 7 rw
max_failures 1 0 65535 rw
multcount 16 0 16 rw
nice1 1 0 1 rw
nowerr 0 0 1 rw
number 0 0 3 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 0 0 1 rw
using_dma 1 0 1 rw
wcache 0 0 1 rw

root@lfs:/home/mb> cat /proc/ide/hda/model
IC35L040AVVA07-0

> --
> insecure

- --
Regards Michael Buesch [ http://www.8ung.at/tuxsoft ]
Penguin on this machine: Linux 2.6.0-test2 - i386

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