Re: acd0 FAILURE READ_BIG MEDIUM

From: marta (wrig_at_tiscali.it)
Date: 10/19/04

  • Next message: Brian Fundakowski Feldman: "Re: Showstopper ? Userland prozesses showing up as kernelprocesses" 
    Date: Tue, 19 Oct 2004 16:59:00 +0200
To: freebsd-current@freebsd.org

    On Tue, Oct 19, 2004 at 02:19:08AM +0000, cwidger wrote:
    > >>uname -r
    > >>5.3-BETA7
    > >>
    > >>acd0 : CDRW <qsi CD-RW/DVD-ROM SBW-241/VH04> at ata1-master UDMA33
    > >>acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
    > >>acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
    > >>acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
    > >>acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
    > >>acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
    > >>
    > >>This happens when there's a DVD in acd0. It doesn't happen when acd0's
    > >>empty.
    >
    >
    > >What kind of DVD drive is it? Did this just start happening with 5.3, or
    > >jas it been going on for a while?
    >
    > I didn't have any problems with 5.2.1, only the 5.3-beta's. It's the built
    > in QSI SBW-241 CD-RW/DVD on my Compaq Presario 2100 Laptop.

    uname -r
            5.3-BETA7

    sysctl hw.ata.atapi_dma
            hw.ata.atapi_dma: 0

    I have the same laptop and the same problem, I solved using

            device atapicam
            device scbus
            device cd
            device pass

    and cutting out

            device atapicd

    During the bootstrap I have 5/6 sec. of pause, after that
    all works well and I can use the DVD drive by the device /dev/cd0

    marta
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