Re: VIA M1000 mini-itx system installation woes - WRITE_DMA error - cabling?

From: Arjan Van Leeuwen (avleeuwen_at_gmail.com)
Date: 04/27/05

  • Next message: Marc Olzheim: "Re: NFS client/buffer cache deadlock" 
    Date: Wed, 27 Apr 2005 10:11:16 +0200
To: W C <woodycarey@hotmail.com>

    On 4/26/05, W C <woodycarey@hotmail.com> wrote:
    > Hi all,
    >
    > I am attempting to install 5.3-R from cd (iso image download) and
    > sysinstall is failing
    > to write the chosen (Auto Layout) filesystem to disk, the Toshiba 80G on the
    > primary ide channel as master. The error on vty1 is (from memory) ad0:
    > WRITE_DMA, error=84.
    > The drive is detected by BIOS as a UDMA100 device. There is nothing else on
    > this IDE channel, and only a cd drive on the other IDE slot.
    >
    > A search of -questions reveals this error is a UDMA mismatch, possible
    > caused by 80-pin cabling, and fixable with atacontrol ad0 udma33 pio bla bla
    > bla. However, I do not yet have a running system to run atacontrol from, as
    > I am installing. I have rooted around in the bios for an option to force
    > the drive to UDMA33 speed, to no avail. Does anyone know how I can work
    > around this problem and install FreeBSD to this neat little system? Do I
    > have bad cabling, a bad drive, or ???

    Yes, I had the same problem.

    If this is a 2.5" drive, it probably doesn't have a 80-pins cable.
    Force PIO mode for the install by entering at the boot prompt (option
    6 in the boot loader menu):
      set hw.ata.ata_dma="0"
      boot

    After you've installed the system, insert that line into
    /boot/loader.conf, and load up "atacontrol mode 0 udma33 udma33" as
    early as possible during the boot (try using /etc/rc.early, for
    example) to get it up to speed again.

    Arjan
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  • Next message: Marc Olzheim: "Re: NFS client/buffer cache deadlock"

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