Thinking it may be the "fix ida dma timeout bug", I booted up 2.4.21 and
the DMA problems were gone.
One difference in the sytems though. With 2.4.21, I am using ACPI and APIC.
With 2.4.22-preX, I have to set acpi=off otherwise, system interrupts get
crazy. I tried pci=noacpi where the system is usuable for a short
period of time and no IRQ higher than 15 are assigned.
John
On Sat, Jul 19, 2003 at 08:07:29AM -0700, John Wong wrote:
> I am having dma timeouts with my Maxtor 6Y120P0. It is connected as the
> slave on the primary channel of the nVidia nForce2 based Asus A7N8X DX.
>
> I did not have this problem with 2.4.21. On the 2.4.22-pre series, I
> have encountered this problem in pre4, pre5, and pre6. I did not try
> earlier pre's. In the pre2 -> pre3 change log, there was a mention of
> fix ide dma timeout bugs. I am wondering if this fix is causing my newly
> experienced problems.
>
> gambit:/root# hdparm /dev/hdb
>
> /dev/hdb:
> multcount = 16 (on)
> IO_support = 1 (32-bit)
> unmaskirq = 1 (on)
> using_dma = 1 (on)
> keepsettings = 0 (off)
> readonly = 0 (off)
> readahead = 8 (on)
> geometry = 14946/255/63, sectors = 240121728, start = 0
>
>
> Jul 11 18:59:26 gambit kernel: hdb: dma_intr: status=0x51 { DriveReady
> SeekComplete Error }
> Jul 11 18:59:26 gambit kernel: hdb: dma_intr: error=0x40 {
> UncorrectableError }, LBAsect=98468, sector=98405
> Jul 11 18:59:26 gambit kernel: end_request: I/O error, dev 03:41 (hdb),
> sector 98405
> Jul 11 18:59:36 gambit kernel: hdb: dma_intr: status=0x51 { DriveReady
> SeekComplete Error }
> Jul 11 18:59:36 gambit kernel: hdb: dma_intr: error=0x40 {
> UncorrectableError }, LBAsect=98470, sector=98407
> Jul 11 18:59:36 gambit kernel: end_request: I/O error, dev 03:41 (hdb),
> sector 98407
> Jul 11 18:59:42 gambit kernel: hdb: dma_intr: status=0x51 { DriveReady
> SeekComplete Error }
> Jul 11 18:59:42 gambit kernel: hdb: dma_intr: error=0x40 {
> UncorrectableError }, LBAsect=98471, sector=98408
> Jul 11 18:59:42 gambit kernel: end_request: I/O error, dev 03:41 (hdb),
> sector 98408
>
> John
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