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SubjectIDE Problems on SIS 735?
Hi,
I've been having repeated DMA problems on my SIS 735 based board, I've done a
search for the meaning of the error message I'm getting, but I must be looking
in the wrong places since I can't seem to find something that explains it
fully. Since this chipset is fairly new I thought I'd mention it here to see
if anyone has an idea what might be wrong (I'm suspecting the cables, but I've
already swapped them over once..).

I've stuck some (possibly) useful/relevant information below. I'm running
2.4.9-ac7.

Cheers,
Adrian.

(Boot information)
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes
SIS5513: IDE controller on PCI bus 00 dev 15
SIS5513: chipset revision 208
SIS5513: not 100% native mode: will probe irqs later
SiS735
ide0: BM-DMA at 0xff00-0xff07, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xff08-0xff0f, BIOS settings: hdc:DMA, hdd:DMA
hda: Maxtor 91024U4, ATA DISK drive
hdb: FUJITSU MPE3064AT, ATA DISK drive
hdc: Hewlett-Packard CD-Writer Plus 9300, ATAPI CD/DVD-ROM drive
hdd: Pioneer DVD-ROM ATAPIModel DVD-104S 020, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 19999728 sectors (10240 MB) w/2048KiB Cache, CHS=1244/255/63, UDMA(66)
hdb: 12672450 sectors (6488 MB) w/512KiB Cache, CHS=788/255/63, UDMA(33)
Partition check:
hda: hda1 hda2 hda3 < hda5 hda6 hda7 hda8 hda9 >
hdb: hdb1 hdb2 < hdb5 >
(Error message itself)
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
hda: drive not ready for command
(Result from "cat /proc/ide/sis")
--------------- Primary Channel ---------------- Secondary Channel -------------
Channel Status: On On
Operation Mode: Compatible Compatible
Cable Type: 80 pins 80 pins
Prefetch Count: 512 512
Drive 0: Postwrite Enabled Postwrite Disabled
Prefetch Enabled Prefetch Disabled
UDMA Enabled UDMA Enabled
UDMA Cycle Time 2 CLK UDMA Cycle Time 2 CLK
Data Active Time 2 PCICLK Data Active Time 5 PCICLK
Data Recovery Time 1 PCICLK Data Recovery Time 1 PCICLK
Drive 1: Postwrite Enabled Postwrite Disabled
Prefetch Enabled Prefetch Disabled
UDMA Enabled UDMA Enabled
UDMA Cycle Time 2 CLK UDMA Cycle Time 2 CLK
Data Active Time 2 PCICLK Data Active Time 2 PCICLK
Data Recovery Time 1 PCICLK Data Recovery Time 1 PCICLK
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