Re: Combined mode quirk removal kills performance

[Stephen Clark <Stephen.Clark@seclark.us>]

Frank Sorenson wrote:

>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>The patch to "remove combined mode quirk" (git bisect says
>8cdfb29c0cd8018f92214c11c631d8926f4cb032) makes my laptop run slower
>than a dead sloth.  "hdparm -T" indicates that buffered disk reads on my
>hard drive drop from 48-50 MB/sec to 1-2MB/sec, and the system is nearly
>unusable.
>
>System is a Dell Inspiron E1705 (Core 2 Duo 2.16GHz) running x86_64 FC6.
>
>Frank
>- --
>Frank Sorenson - KD7TZK
>Linux Systems Engineer, DSS Engineering, UBS AG
>frank@tuxrocks.com
>-----BEGIN PGP SIGNATURE-----
>Version: GnuPG v1.4.7 (GNU/Linux)
>Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
>
>iD8DBQFGXt+JaI0dwg4A47wRAqJmAJ4k4E9ekkitOdQ72HUXbky11nD1cACghGu6
>y7Y71PPaKHYcQhYSfL55bNk=
>=MPYY
>-----END PGP SIGNATURE-----
>-
>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/
>
>  
>
Hi Frank,

I had the same problem. I am running FC6 and had to build a custom 
kernel that did not configure
in the old ide driver - then my speed of my harddrive went back to normal.

HTH,
Steve

-- 

"They that give up essential liberty to obtain temporary safety, 
deserve neither liberty nor safety."  (Ben Franklin)

"The course of history shows that as a government grows, liberty 
decreases."  (Thomas Jefferson)