Re: IO slowdown with latest FC4 kernel

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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@xxxxxxxxxx>


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