Messages in this thread | | | From | Andreas Schwarz <> | Subject | Re: Extremely low disk performance on K7S5A Pro | Date | Mon, 6 Oct 2003 20:38:21 +0000 (UTC) |
| |
Lionel Bouton wrote: > Andreas Schwarz said the following on 10/02/2003 05:47 PM: > >>Hi, >> >>since I replaced my Abit KT7 with an Elitegroup K7S5A Pro (SIS735), I've >>got extremly low disk performance with every tested kernel version >>(2.4.20, 2.6.0-test6-mm2): >> >># hdparm -tT /dev/hda >>/dev/hda: >> Timing buffer-cache reads: 824 MB in 2.00 seconds = 411.65 MB/sec >> Timing buffered disk reads: 10 MB in 3.28 seconds = 3.05 MB/sec >> ^^^^ >> >>DMA, 32bit etc. is activated (hdparm -d1 -c3 -u1 /dev/hda): >> >> >> > > 3.05 MB is even less than what I'm used to see with most drives and *PIO > 4* ! > > Is there any ide message in /var/log/messages ?
No, nothing at all.
> I see you use hdparm to setup the drive/controller settings. I advise > you to let the kernel autotune the transfer modes by itself.
That doesn't change anything.
> Could you send us : > - the exact kernel version,
2.6.20-test6-mm2 (but 2.4.20 produces exactly the same result!)
> - your kernel compilation config file,
http://andreas-s.net/kernel/config.gz
> - any kernel parameters provided,
root=/dev/hda7 hdc=ide-scsi hdd=ide-scsi vga=792 noapic
> - the content of /var/log/dmesg,
http://andreas-s.net/kernel/dmesg.gz
> - the output of `lspci -vvxxx`,
http://andreas-s.net/kernel/lspci.gz
> - the ouput of `cat /proc/ide/sis`
http://andreas-s.net/kernel/sis.gz
-- AVR-Tutorial, über 350 Links Forum für AVRGCC und MSPGCC -> http://www.mikrocontroller.net
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |