(dell8200) laptop with disk(hda) and cd(hdb) too busy?

From: Peter Teuben (teuben_at_astro.umd.edu)
Date: 12/31/04

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    Date: Thu, 30 Dec 2004 22:26:52 -0500 (EST)
To: fedora-list@redhat.com

    My dell8200 laptop has often given me problems with disk I/O
    speed in both KDE and Gnome when their cd-cgecking deamon was
    active. Thus a command like
            hdparm -t /dev/hda
    would give me terribly erratic results (1-7 MB/sec) if there was
    no CD in the tray. Once mounted, things were better, or normal.
    I'd get more like 17-22 MB/s, depending on the disk of course.

    At least in rh7 and rh9 i knew how to solve it (they were filed in bugzilla).
    I'm sadly returning to this problem with FC3. This time the problem is even
    present outside of X. I returned to runlevel 3, but even there i can terrible
    I/O. One side-effect of bad disk I/O is that the "startx" command will take
    forever to load, and don't even try something like openoffice :-)
     
    So, first of all, i'm looking for soulmates who can confirm that
    a dell8200, or any other laptop with hda and hdb populated have the
    same problem, and then see how this can be solved. As it stands now,
    i cannot use FC3. I don't know if the problem should occur with two
    drives on hda and hdb, since once the CD is either inserted or mounted,
    the problem appears to go away.

    I should also add i've been running FC3 just fine on a desktop, with
    IDE (a+c) software raid and a SATA disk.

    - peter 

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