Re: Iomega ZipCD CDRW goes nuts with Fedora Core 3 - with workaround (haldaemon problem?)

From: Dr J Austin (ja_at_ee.port.ac.uk)
Date: 12/14/04

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    Date: Tue, 14 Dec 2004 10:24:22 +0000 (GMT)
To: fedora-list@redhat.com

    > Date: Mon, 13 Dec 2004 20:05:39 -0500
    > From: Charles E Taylor IV <tomalek@mindspring.com>
    > Subject: Iomega ZipCD CDRW goes nuts with Fedora Core 3 - with
    > workaround (haldaemon problem?)
    > To: fedora-list@redhat.com
    > Message-ID: <20041213200539.37ae2eb5.tomalek@mindspring.com>
    > Content-Type: text/plain; charset=US-ASCII
    >
    > I've been having a heck of a time trying to burn CDs under Fedora Core 3.
    > I'm using a Thinkpad X22 laptop and an Iomega ZipCD 650 USB CDRW drive.
    >
    > When trying to burn a CD with FC3, I notice a few problems:
    >
    > First, the fstab entry and moutpoint that gets automatically generated:
    >
    > /dev/scd0 /media/zip auto pamconsole,exec,noauto,managed 0 0
    >
    > Apparently, FC3 thinks the CD burner is an actual zip drive. (Some brain
    > damage in the scripts that create these device entries?)
    >
    > That, however, is a minor annoyance. The major annoyance comes in the
    > form of lockups, kernel panics, and/or bizarre behavior. Here's dmesg
    > output from pluggin the drive in:
    >
    > scsi0 : SCSI emulation for USB Mass Storage devices
    > Vendor: IOMEGA Model: ZIPCD 650 USB Rev: I2,2
    > Type: CD-ROM ANSI SCSI revision: 02
    > USB Mass Storage device found at 4
    > usbcore: registered new driver usb-storage
    > USB Mass Storage support registered.
    > sr0: scsi3-mmc drive: 8x/8x writer cd/rw xa/form2 cdda pop-up
    > Uniform CD-ROM driver Revision: 3.20
    > Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
    > sr0: CDROM not ready. Make sure there is a disc in the drive.
    > cdrom: open failed.
    > sr0: CDROM not ready. Make sure there is a disc in the drive.
    > cdrom: open failed.
    > ...
    >
    > Apparently, something keeps trying to mount the (nonexistant) CD in the
    > drive and keeps failing, as this just repeats. If you try to put a CD in,
    > well, good luck - the door recloses as soon as it opens - making it next
    > to impossible to feed it a CD.
    >
    > If you DO manage to get a blank CDR in there, dmesg output switches to
    > this:
    >
    > end_request: I/O error, dev sr0, sector 0
    > Buffer I/O error on device sr0, logical block 0
    > end_request: I/O error, dev sr0, sector 0
    > Buffer I/O error on device sr0, logical block 0
    > SCSI error : <0 0 0 0> return code = 0x70000
    > SCSI error : <0 0 0 0> return code = 0x70000
    > end_request: I/O error, dev sr0, sector 0
    > Buffer I/O error on device sr0, logical block 0
    > Buffer I/O error on device sr0, logical block 1
    > Buffer I/O error on device sr0, logical block 2
    > ...
    >
    > If, heaven forbid, you try to burn anything to that CD, you get either a
    > kernel panic or sometimes a system hang. I haven't captured that one.
    >
    > WORKAROUND, in case anyone else has been bitten by this:
    >
    > service haldaemon stop
    >
    > After stopping the haldaemon service, the CDRW works as expected. No
    > weird behavior, no system hangs, and no weird error messages.
    >
    > Anyone else experienced this sort of thing with Fedora Core 3?
    >
    > Possibly relevant packages:
    > hal-0.4.2-1.FC3
    > kernel-2.6.9-1.698_FC3 (from testing - was hoping that would fix my USB
    > woes)
    >
    > --
    > --------------------------------------------------------------------
    > * Charles Taylor <tomalek@mindspring.com>
    > * Chemistry teacher, Linux enthusiast!
    > --------------------------------------------------------------------
    > * Web: http://home.mindspring.com/~charletiv/
    > --------------------------------------------------------------------

    Hi Charles,
            Yes I have had problems with udev/hald
    particularly when mounting usb sticks or
    writing CD's (xcdroast) or DVD's (growisofs)
    I'm use KDE, don't know if this matters.
    Keep udev updated!!!!
    I don't trust hald and hence
    service haldaemon stop when I want to write DVD's
    otherwise I get coasters !

    No zip hardware to test your exact problem though

    Cheers John

    FC3 on i386 and x86_64

    Dr John Austin,

    email ja +at- ee +dot- port +dot- ac +dot- uk
          ja +at- jaa +dot- org +dot- uk 

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