Re: Very slow CD burning

From: Pigeon (jah.pigeon_at_ukonline.co.uk)
Date: 09/29/03

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    Date: Mon, 29 Sep 2003 21:07:36 +0100
To: debian-user@lists.debian.org

    On Mon, Sep 29, 2003 at 05:16:10PM +0100, Dan Bowtell wrote:
    > > > I didn't mean to CC you, i just hit reply assuming it would go to the
    > > > list but it went t you instead. My DMA settings in the kernel are:
    > > >
    > > > CONFIG_BLK_DEV_IDEDMA_PCI=y
    > > > # CONFIG_BLK_DEV_IDEDMA_FORCED is not set
    > > > CONFIG_IDEDMA_PCI_AUTO=y
    > > > # CONFIG_IDEDMA_ONLYDISK is not set
    > > > CONFIG_BLK_DEV_IDEDMA=y
    > > > # CONFIG_IDEDMA_PCI_WIP is not set
    > > > # CONFIG_BLK_DEV_ADMA100 is not set
    > > > # CONFIG_HPT34X_AUTODMA is not set
    > > > CONFIG_IDEDMA_AUTO=y
    > > > # CONFIG_IDEDMA_IVB is not set
    > > > # CONFIG_DMA_NONPCI is not set
    > > > # CONFIG_SCSI_EATA_DMA is not set
    > >
    > > Looks good to me...
    > >
    > > > When i try and set DMA i get the following error:
    > > >
    > > > /dev/hdc:
    > > > setting using_dma to 1 (on)
    > > > HDIO_SET_DMA failed: Operation not permitted
    > > > using_dma = 0 (off)
    > >
    > > ...but perhaps you don't have support for your motherboard chipset
    > > enabled? The game here is to translate the numbers you get from lspci
    > > into the appropriate CONFIG_BLK_DEV options using the kernel docs,
    > > menuconfig help screens, Google and the like. If you fail in this
    > > endeavour post your lspci output.
    >
    > lspci gives me the following information:
    >
    > 00:07.1 IDE interface: VIA Technologies, Inc. VT82C586/B/686A/B PIPC Bus
    > Master IDE (rev 06)
    >
    > Based on that I enabled CONFIG_BLK_DEV_VIA82CXXX=y.

    Looks good to me.

    > I also had DMA
    > turned off in the bios which I've enabled now. dmesg shows the following
    > error:
    >
    > scsi : aborting command due to timeout : pid 1204, scsi0, channel 0, id
    > 0, lun 0 Write (10) 00 00 00 10 78 00 00 1f 00
    > hdd: lost interrupt
    > ide-scsi: scatter gather table too small, padding with zeros
    > scsi : aborting command due to timeout : pid 1208, scsi0, channel 0, id
    > 0, lun 0 Write (10) 00 00 00 10 f4 00 00 1f 00
    > hdd: lost interrupt
    > ide-scsi: scatter gather table too small, padding with zeros
    > spurious 8259A interrupt: IRQ7.
    > scsi : aborting command due to timeout : pid 1383, scsi0, channel 0, id
    > 0, lun 0 Write (10) 00 00 00 24 ef 00 00 1f 00
    > hdd: lost interrupt
    > ide-scsi: scatter gather table too small, padding with zeros

    Far out, I've never come across this. I'm shooting in the dark a bit
    here:

    - Did you enable CONFIG_IDEPCI_SHARE_IRQ ?
    - Does it work if you unplug the DVD-ROM?

    In case it helps, I've attached my kernel config - I also have a VIA
    82CXXX chipset. 

    -- 
Pigeon
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Get my GPG key here: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x21C61F7F



    


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