Gentoo Archives: gentoo-user

From: "Hemmann
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Very bad system response
Date: Wed, 07 Feb 2007 04:58:59
Message-Id: 200702070553.37173.volker.armin.hemmann@tu-clausthal.de
In Reply to: Re: [gentoo-user] Very bad system response by Norberto Bensa
1 On Mittwoch, 7. Februar 2007, Norberto Bensa wrote:
2 > Hemmann, Volker Armin wrote:
3 > > On Dienstag, 6. Februar 2007, Michael Schreckenbauer wrote:
4 > > > I don't think, swap is the cause of this. This system has 1,5GB Ram,
5 > > > swap is nearly never touched :)
6 > >
7 > > swap was only an example. Things that kill performance: big tar, big copy
8 > > around, and everything that touches a lot of files....
9 >
10 > Check your DMA settings
11 >
12
13 my DMA settings are ok. Really, really.
14 hdparm /dev/hda
15
16 /dev/hda:
17 multcount = 16 (on)
18 IO_support = 1 (32-bit)
19 unmaskirq = 1 (on)
20 using_dma = 1 (on)
21 keepsettings = 0 (off)
22 readonly = 0 (off)
23 readahead = 256 (on)
24 geometry = 16383/255/63, sectors = 234493056, start = 0
25
26 [ 36.419597] hda: 234493056 sectors (120060 MB) w/8192KiB Cache,
27 CHS=16383/255/63, UDMA(100)
28
29 and
30
31 [ 37.500706] ahci 0000:03:00.0: AHCI 0001.0000 32 slots 1 ports 3 Gbps 0x1
32 impl SATA mode
33 [ 37.501239] ahci 0000:03:00.0: flags: 64bit ncq pm led clo pmp pio slum
34 part
35 [ 37.501632] ata1: SATA max UDMA/133 cmd 0xFFFFC20000004100 ctl 0x0 bmdma
36 0x0 irq 35
37 [ 37.502167] scsi0 : ahci
38 [ 37.987972] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
39 [ 37.988743] ata1.00: ATA-7, max UDMA/133, 312581808 sectors: LBA48
40 [ 37.989026] ata1.00: ata1: dev 0 multi count 16
41 [ 37.989838] ata1.00: configured for UDMA/133
42 [ 37.990176] scsi 0:0:0:0: Direct-Access ATA WDC WD1600JS-00M 10.0
43 PQ: 0 ANSI: 5
44 [ 37.990773] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
45 [ 37.991061] sda: Write Protect is off
46 [ 37.991339] sda: Mode Sense: 00 3a 00 00
47 [ 37.991349] SCSI device sda: drive cache: write back
48 [ 37.991657] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
49 [ 37.991942] sda: Write Protect is off
50 [ 37.992225] sda: Mode Sense: 00 3a 00 00
51 [ 37.992235] SCSI device sda: drive cache: write back
52 [ 37.992514] sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
53 [ 38.033040] sd 0:0:0:0: Attached scsi disk sda
54
55 --
56 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] Very bad system response Benno Schulenberg <benno.schulenberg@×××××.com>