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Date: Tue, 29 Aug 2006 20:12:27 -0400
From: "John Stoffel" <john@...ffel.org>
To: linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: 2.6.18-rc5 - HPT302 wierdness
Hi,
I've got a Rocket 133 PCI dual channel controller in my dual CPU PIII
Xeon box, with 768 Mb of ram, and a pair of 120gb WD HDs hung off the
HPT302, each on it's own channel. According to lspci, it's a version
1 of the controller. I just upgraded it to 1.22 of the firmware, but
that was a debacle and it's now back down to it's original 1.21 that
it shipped with. *grin*
03:06.0 RAID bus controller: Triones Technologies, Inc. HPT302/302N (rev 01)
Subsystem: Triones Technologies, Inc. Unknown device 0001
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 120 (2000ns min, 2000ns max)
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at ecf8 [size=8]
Region 1: I/O ports at ecf0 [size=4]
Region 2: I/O ports at ece0 [size=8]
Region 3: I/O ports at ecd8 [size=4]
Region 4: I/O ports at e800 [size=256]
Expansion ROM at f9000000 [disabled by cmd] [size=128K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
The drives are identical, and bought at the same time, yet on bootup
of 2.6.18-rc5, they show up with different values for CHS and for Max
Request Size.
HPT302: IDE controller at PCI slot 0000:03:06.0
ACPI: PCI Interrupt 0000:03:06.0[A] -> GSI 18 (level, low) -> IRQ 18
HPT302: chipset revision 1
HPT302: 100% native mode on irq 18
HPT37X: using 33MHz PCI clock
ide2: BM-DMA at 0xe800-0xe807, BIOS settings: hde:DMA, hdf:pio
HPT37X: using 33MHz PCI clock
ide3: BM-DMA at 0xe808-0xe80f, BIOS settings: hdg:DMA, hdh:pio
Probing IDE interface ide2...
hde: WDC WD1200JB-00CRA1, ATA DISK drive
ide2 at 0xecf8-0xecff,0xecf2 on irq 18
Probing IDE interface ide3...
hdg: WDC WD1200JB-00EVA0, ATA DISK drive
ide3 at 0xece0-0xece7,0xecda on irq 18
Probing IDE interface ide1...
hde: max request size: 128KiB
hde: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=65535/16/63, UDMA(100)
hde: cache flushes not supported
hde: hde1
hdg: max request size: 512KiB
hdg: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(100)
hdg: cache flushes supported
hdg: hdg1
And even when looking at the details in
/sys/block/hd[eg]/queue/max_hw_sectors_kb and
/sys/block/hd[eg]/queue/max_sectors_kb I see that the numbers are
different. Is this a bug in the chip, or a known issue with the
controller?
> cat /sys/block/hde/queue/max_sectors_kb
128
> cat /sys/block/hde/queue/max_hw_sectors_kb
128
> cat /sys/block/hdg/queue/max_sectors_kb
512
> cat /sys/block/hdg/queue/max_hw_sectors_kb
1024
Or could it be because the drives have different firmware revisions,
as shown by hdparm -I?
# hdparm -I /dev/hde
/dev/hde:
ATA device, with non-removable media
Model Number: WDC WD1200JB-00CRA1
Serial Number: WD-WMA8C4365875
Firmware Revision: 17.07W17
Standards:
Supported: 5 4 3
Likely used: 6
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 234441648
device size with M = 1024*1024: 114473 MBytes
device size with M = 1000*1000: 120034 MBytes (120 GB)
Capabilities:
LBA, IORDY(can be disabled)
bytes avail on r/w long: 40
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
SET_MAX security extension
Automatic Acoustic Management feature set
* Device Configuration Overlay feature set
* SMART error logging
* SMART self-test
Security:
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
Checksum: correct
# hdparm -I /dev/hdg
/dev/hdg:
ATA device, with non-removable media
Model Number: WDC WD1200JB-00EVA0
Serial Number: WD-WMAEK2844058
Firmware Revision: 15.05R15
Standards:
Supported: 6 5 4
Likely used: 6
Configuration:
Logical max current
cylinders 16383 65535
heads 16 1
sectors/track 63 63
--
CHS current addressable sectors: 4128705
LBA user addressable sectors: 234441648
LBA48 user addressable sectors: 234441648
device size with M = 1024*1024: 114473 MBytes
device size with M = 1000*1000: 120034 MBytes (120 GB)
Capabilities:
LBA, IORDY(can be disabled)
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
SET_MAX security extension
Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
Security:
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by CSEL
Checksum: correct
Thanks,
John
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