Lack of CD in SCSI CDR drive halts boot

From: Michael D. Crawford (crawford@goingware.com)
Date: Sat Jun 03 2000 - 17:16:55 EDT

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    This isn't exactly a crash I don't think but a program failing to exit
    during a startup script.

    In earlier threads I described how I got my Adaptec APA-1480 SlimSCSI
    host bus adapter working on my Compaq Presario 1800T with various
    patches applied.

    I can mount and read CD's ok, and burn CD's that read fine on other
    OSes.

    But if I boot the machine with no CD media in the drive I get a message
    from "sr0" that goes something to the effect of "drive not ready, make
    sure there is a CD in the drive" and then the process of booting just
    stops. I think some process just never exits that a startup script is
    waiting for.

    I got the same message with kernel 2.2.13, but it didn't stop the boot.

    Note that I always have an IDE drive in this machine, and I don't get
    any message like that. If I attached the CD burner and there is a CD in
    the drive, then sr0 prints a message that correctly identifies various
    characteristics of my CD burner. No CD in the tray though, and no
    startup.

    The patches I used to get my Adaptec card working were Garth Reese's
    patch to enable the PCI expansion ROM in the thread "Can't recognize
    Adaptec APA-1480 in linux 2.4.0-test1-ac4", but with the files
    linux/drivers/scsi/scsi* backed out to the 2.4.0-test1 version, all on
    top of 2.4.0-test1-ac7.

    Mike Crawford
    GoingWare Inc. - Expert Software Development and Consulting
    http://www.goingware.com
    crawford@goingware.com

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