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SubjectRe: Hangs in 2.4.19 and 2.4.20-pre5 (IDE-related?)
> > pcibus = 33333
> > 00:07.1 vendor=8086 device=7111 class=0101 irq=0 base4=f001
> > ----------PIIX BusMastering IDE Configuration---------------
> > Driver Version: 1.3
> > South Bridge: 28945
> > Revision: IDE 0x1
> > Highest DMA rate: UDMA33
> > BM-DMA base: 0xf000
> > PCI clock: 33.3MHz
> > -----------------------Primary IDE-------Secondary IDE------
> > Enabled: yes yes
> > Simplex only: no no
> > Cable Type: 40w 40w
> > -------------------drive0----drive1----drive2----drive3-----
> > Prefetch+Post: yes yes yes yes
> > Transfer Mode: PIO PIO PIO PIO
> > Address Setup: 90ns 90ns 90ns 90ns
> > Cmd Active: 360ns 360ns 360ns 360ns
> > Cmd Recovery: 540ns 540ns 540ns 540ns
> > Data Active: 90ns 90ns 90ns 90ns
> > Data Recovery: 30ns 30ns 90ns 30ns
> > Cycle Time: 120ns 120ns 180ns 120ns
> > Transfer Rate: 16.6MB/s 16.6MB/s 11.1MB/s 16.6MB/s
>
> That is not my work and you are on your own for that mess.
> That looks straight out of 2.5.30.

Actaully, I made a mistake in the report and this atapci output was from
2.2.15 (and hdparm output too). Sorry for this stupid mistake.

Here are hdparm and atapci output from 2.4.20-pre5, and additionally
/proc/ide/piix (quite terse when compared to the output of atapci).

/dev/hda:

Model=QUANTUM FIREBALL ST1.6A, FwRev=A0F.0800, SerialNo=851715434518
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=3128/16/63, TrkSize=32256, SectSize=512, ECCbytes=4
BuffType=DualPortCache, BuffSize=81kB, MaxMultSect=16, MultSect=16
CurCHS=3128/16/63, CurSects=3153024, LBA=yes, LBAsects=3153024
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 *udma2
AdvancedPM=no
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3

/dev/hdb:

Model=QUANTUM FIREBALL ST1.6A, FwRev=A0F.0400, SerialNo=851712135299
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=3128/16/63, TrkSize=32256, SectSize=512, ECCbytes=4
BuffType=DualPortCache, BuffSize=81kB, MaxMultSect=16, MultSect=16
CurCHS=3128/16/63, CurSects=3153024, LBA=yes, LBAsects=3153024
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 *udma2
AdvancedPM=no
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3

/dev/hdd:

Model=ST32531A, FwRev=0.62, SerialNo=VE047143
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=4956/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=16
CurCHS=4956/16/63, CurSects=4996476, LBA=yes, LBAsects=4996476
IORDY=on/off, tPIO={min:383,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio3 pio4
DMA modes: mdma0 mdma1 *mdma2
AdvancedPM=no
Segmentation fault

(yes, it segfaults in 2.4 too)

Output of atapci 0.50:

pcibus = 33333
00:07.1 vendor=8086 device=7111 class=0101 irq=0 base4=f001
----------PIIX BusMastering IDE Configuration---------------
Driver Version: 1.3
South Bridge: 28945
Revision: IDE 0x1
Highest DMA rate: UDMA33
BM-DMA base: 0xf000
PCI clock: 33.3MHz
-----------------------Primary IDE-------Secondary IDE------
Enabled: yes yes
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Prefetch+Post: yes yes yes yes
Transfer Mode: UDMA UDMA DMA DMA
Address Setup: 90ns 90ns 90ns 90ns
Cmd Active: 360ns 360ns 360ns 360ns
Cmd Recovery: 540ns 540ns 540ns 540ns
Data Active: 90ns 90ns 90ns 90ns
Data Recovery: 30ns 30ns 90ns 30ns
Cycle Time: 60ns 60ns 180ns 120ns
Transfer Rate: 33.3MB/s 33.3MB/s 11.1MB/s 16.6MB/s

And here is /proc/ide/piix:

Intel PIIX4 Ultra 33 Chipset.
--------------- Primary Channel ---------------- Secondary Channel -------------
enabled enabled
--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------
DMA enabled: yes yes yes yes
UDMA enabled: yes yes no no
UDMA enabled: 2 2 X X
UDMA
DMA
PIO

--
Meelis Roos (mroos@tartu.cyber.ee)

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