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SubjectRe: Hangup: Promise ATA100 (PDC20267) and Quantum disk
> Just add this ti the pdc_quirks_list and see if it fixes the problem.
> It is an nIEN problem.

Horst von Brand, you suggested it could be bad cabling or some other physical problem.
I have tried several cables (yes, UDMA66 cables), I have tried two Promise controllers,
I tried in two different boxes. I have 3 of the 'QUANTUM FIREBALLlct10 30' drives and one
'QUANTUM FIREBALLlct15 30' all having the same problem. I tried the IBM-DPTA-373420
and a Seagate ST38431A on the controllers and cables, without problems. Any more I should
try to avoid physical problems?

I have tried adding the drives to pdc_quirks_list under both 2.2.16 and 2.4. Under 2.4
it makes no change. I have discovered that when i put a IDE CD rom drive as master, and
the Quantum drive as slave, the box boots, but locks hard when enabling UDMA.

Below is console output from CDdrive+HD, and a hdparm -i on the Quantum drive:


Model=QUANTUM FIREBALLlct10 30, FwRev=A03.3900, SerialNo=176003013050
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=32256, SectSize=21298, ECCbytes=4
BuffType=3(DualPortCache), BuffSize=418kB, MaxMultSect=16, MultSect=off
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=2(fast)
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes
LBA CHS=1023/256/63 Remapping, LBA=yes, LBAsects=58633344
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2
IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 *mode2

Linux version 2.4.0-test6 (
(gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #2 Th
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x9470-0x9477, BIOS settings: hda:pio, hdb:DMA
ide1: BM-DMA at 0x9478-0x947f, BIOS settings: hdc:pio, hdd:DMA
PDC20267: IDE controller on PCI bus 00 dev 68
PDC20267: chipset revision 2
PDC20267: not 100% native mode: will probe irqs later
PDC20267: ROM enabled at 0x82120000
PDC20267: (U)DMA Burst Bit DISABLED Primary PCI Mode Secondary PCI Mode.
ide2: BM-DMA at 0x8c00-0x8c07, BIOS settings: hde:DMA, hdf:pio
ide3: BM-DMA at 0x8c08-0x8c0f, BIOS settings: hdg:pio, hdh:DMA
hdb: QUANTUM FIREBALLlct10 30, ATA DISK drive
hdd: QUANTUM FIREBALLlct10 30, ATA DISK drive
hde: CD-ROM 40X/AKU, ATAPI CDROM drive
hdf: QUANTUM FIREBALLlct10 30, ATA DISK drive
hdg: IBM-DPTA-373420, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
ide2 at 0x8890-0x8897,0x88aa on irq 7
ide3 at 0x88c0-0x88c7,0x88da on irq 7
hdb: 58633344 sectors (30020 MB) w/418KiB Cache, CHS=3649/255/63, UDMA(33)
hdd: 58633344 sectors (30020 MB) w/418KiB Cache, CHS=58168/16/63, UDMA(33)
hdf: 58633344 sectors (30020 MB) w/418KiB Cache, CHS=58168/16/63, (U)DMA
hdg: 66835440 sectors (34220 MB) w/1961KiB Cache, CHS=66305/16/63, (U)DMA
hde: ATAPI 40X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.11

Lars Knudsen

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