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    SubjectRe: DMA problem
    Date
    I don't know if this works, but I have found a new BIOS for that board:

    http://www.asus.com.tw/support/download/item.aspx?ModelName=P4P800

    In the notes are many "DMA"s inside.



    On Friday 16 January 2004 20:42, claude parisot wrote:
    > Andreas Unterkircher a écrit :
    > > Is it possible that your ide-cable can't handle the higher dma speeds
    > > and makes errors? is it udma compatible? have you looked for a
    > > firmware update for the burner @ www.plextor.com?
    >
    > Firmware is up to date ....
    > I tried it with an other cable , UDMA 100 certified,
    > I tried all kind of things, putting the drive as master
    > but nothing has worked till yet.
    >
    >
    > Thanks for your answer
    >
    > also zu Deutsch - sprech' ich viel besser als Englisch.
    >
    >
    > mfG
    >
    > Claude
    >
    > > andreas
    > >
    > >
    > > ----- Original Message -----
    > > From: "claude parisot" <Claude.PARISOT@wanadoo.fr>
    > > To: <linux-kernel@vger.kernel.org>
    > > Cc: <Claude.PARISOT@wanadoo.fr>
    > > Sent: Friday, January 16, 2004 8:24 PM
    > > Subject: DMA problem
    > >
    > >> Hello !
    > >>
    > >>Sorry to post a seconfd message on the list, I am only trying
    > >>to get an answern for this - it seems so - DMA-problem ??
    > >>
    > >>
    > >>I have some
    > >>problems with a brand new Plextor-drive, PX-W5224TA/T3B, I cannot
    > >>mount any CD or burn a CDR or CD-RW, except if I disable DMA with
    > >>following command :# hdparm -d0 /dev/hdd , a little bit annoying,
    > >>isn't it ?
    > >>
    > >>If I insert a cdrom in the drive the led doesn't go out, it flashes
    > >>as usual but it stays green.
    > >>
    > >>It seems to be a DMA-problem or a kernel-bug ???
    > >>Its only a supposition, I am a Linux-newbie, and I am looking
    > >>for an explanation and a solution ....
    > >>
    > >>By mounting a cdrom I get following error messages :
    > >>
    > >>Jan 11 20:46:00 ishwara kernel: scsi : aborting command due to timeout
    > >>
    > >>: pid 102, scsi0, channel 0, id 1, lun 0 0x28 00 00 00 00 10 00 00 01 00
    > >>
    > >>Jan 11 20:46:00 ishwara kernel: hdd: error waiting for DMA
    > >>Jan 11 20:46:00 ishwara kernel: hdd: dma timeout retry: status=0x7f {
    > >>DriveReady DeviceFault SeekComplete DataRequest CorrectedError Index
    > >>Error } Jan 11 20:46:00 ishwara kernel: hdd: dma timeout retry:
    > >>error=0x7f Jan 11 20:46:00 ishwara kernel: hdd: DMA disabled
    > >>Jan 11 20:46:00 ishwara kernel: hdd: ATAPI reset complete
    > >>Jan 11 20:46:00 ishwara kernel: hdd: irq timeout: status=0x80 { Busy }
    > >>Jan 11 20:46:00 ishwara kernel: hdd: ATAPI reset complete
    > >>Jan 11 20:46:00 ishwara kernel: hdd: irq timeout: status=0x80 { Busy }
    > >>Jan 11 20:46:00 ishwara kernel: hdd: ATAPI reset complete
    > >>Jan 11 20:46:07 ishwara kernel: hdd: irq timeout: status=0x80 { Busy }
    > >>Jan 11 20:46:07 ishwara kernel: scsi0 channel 0 : resetting for second
    > >>half of retries. Jan 11 20:46:07 ishwara kernel: SCSI bus is being reset
    > >>for host 0 channel 0. Jan 11 20:46:07 ishwara kernel: hdd: status
    > >>timeout: status=0x80 { Busy } Jan 11 20:46:07 ishwara kernel: hdd: drive
    > >>not ready for command Jan 11 20:46:07 ishwara kernel: hdd: ATAPI reset
    > >>complete Jan 11 20:46:32 ishwara kernel: scsi : aborting command due to
    > >>timeout : pid 103, scsi0, channel 0, id 1, lun 0 0x28 00 00 00 00 10 00
    > >>rive not ready for command
    > >>
    > >>And then I have a freeze or at least a blocking of the sysem.
    > >>I have to reboot.
    > >>
    > >>Could someone give me an explanation of what is happening and a way to
    > >>solve the problem .... is this a kernel-bug ? Or an incompatibility
    > >>between the motherboard and the drive ??
    > >>
    > >>If you choose to help me, please don't be to esoteric, as I already
    > >>said, I am a newbie.
    > >>
    > >>Please, could you Cc all answers to the adress :
    > >>
    > >>Claude.PARISOT@wanadoo.fr
    > >>
    > >>My apologizes for my english ....
    > >>
    > >>
    > >>Claude
    > >>
    > >>System : Pentium 2,8C
    > >>Asus P4P800 DeLuxe
    > >>Intel I865PE
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>-
    > >>To unsubscribe from this list: send the line "unsubscribe linux-kernel"
    > >> in the body of a message to majordomo@vger.kernel.org
    > >>More majordomo info at http://vger.kernel.org/majordomo-info.html
    > >>Please read the FAQ at http://www.tux.org/lkml/
    >
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