IO slowdown with latest FC4 kernel
Manuel Pelayo
manuel.pelayo at manpci.com
Sun Oct 2 19:47:20 UTC 2005
Le dimanche 02 octobre 2005 à 13:13 +0200, Michael Nischt a écrit :
> I've got the same problem, the harddisk in my dell notebook (precision
> M70) extremly slowed down since the kernel update to 2.6.13-1.1526_FC4 -
> it became absolutly impossible to work on this computer:
>
> /dev/hda:
> Timing cached reads: 2784 MB in 2.00 seconds = 1391.91 MB/sec
> Timing buffered disk reads: 6 MB in 3.03 seconds = 1.98 MB/sec
>
> Furthermore, I noticed that the harddrive formerly was /dev/sda1 and now
> is /dev/hda1, which is probably the reason but I don't know how to fix
> this. I hope there is an easy way, because I'm not that familiar with
> linux to go into compiling the kernel.
I've same problem too.
My notebook is a IBM Thinkpad T43.
I've solve this when I add 'ide0=noprobe' in the kernel line of
the /etc/grub.conf file. Here is the diff :
--- grub.conf.old 2005-10-02 16:41:55.000000000 +0200
+++ grub.conf 2005-10-02 17:17:56.000000000 +0200
@@ -14,7 +14,7 @@
password --md5 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
title Fedora Core (2.6.13-1.1526_FC4)
root (hd0,0)
- kernel /vmlinuz-2.6.13-1.1526_FC4 ro root=LABEL=/ vga=0x303 rhgb
quiet
+ kernel /vmlinuz-2.6.13-1.1526_FC4 ro root=LABEL=/ vga=0x303
ide0=noprobe rhgb quiet
initrd /initrd-2.6.13-1.1526_FC4.img
title Fedora Core (2.6.12-1.1456_FC4)
root (hd0,0)
--
Manuel PELAYO <manuel.pelayo at manpci.com>
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