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Subject[2.6.8-rc1] lost DMA on my Intel 82801EB (ICH5) Serial ATA 150 Storage Controller
Hi,

Since 2.6.8-rc1, DMA does not work for me. I've tried (almost) all
kernels since that one: 2.6.8-rc[1234], 2.6.8.1 and 2.6.9-rc2.

With all of them I get the same result:

A hdparm -d tells me that DMA is off (and in fact, it is off as I can
see from the numbers of a hdparm -t).

And if I try to activate it with hdparm -d1, it gives me a "operation
not supported" error.

The last one that I've ben able to make DMA work is 2.6.7.

Attached is the output of:

* lspci -v
* hdparm -I /dev/hda
* /proc/cpuinfo
* cat /boot/config-2.6.9-rc2 | grep -i ^config
* dmesg (right after booting both 2.6.7 and 2.6.9-rc2)

Am I doing something wrong? Do I need to provide more information?

Many thanks in advance.

--
Kiko
Private mail is preferred encrypted:
http://www.pirispons.net/pgpkey.html
0000:00:00.0 Host bridge: Intel Corp. 82865G/PE/P DRAM Controller/Host-Hub Interface (rev 02)
Subsystem: Intel Corp. 82865G/PE/P DRAM Controller/Host-Hub Interface
Flags: bus master, fast devsel, latency 0
Memory at c4000000 (32-bit, prefetchable) [size=64M]
Capabilities: [e4] #09 [0106]
Capabilities: [a0] AGP version 3.0

0000:00:01.0 PCI bridge: Intel Corp. 82865G/PE/P PCI to AGP Controller (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, fast devsel, latency 96
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 00002000-00002fff
Memory behind bridge: c0100000-c01fffff
Prefetchable memory behind bridge: d0000000-efffffff

0000:00:1d.0 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at 1800 [size=32]

0000:00:1d.1 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at 1820 [size=32]

0000:00:1d.2 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 1840 [size=32]

0000:00:1d.7 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at c0000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] #0a [20a0]

0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev c2) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=32
I/O behind bridge: 00003000-00003fff
Memory behind bridge: c0200000-c02fffff

0000:00:1f.0 ISA bridge: Intel Corp. 82801EB/ER (ICH5/ICH5R) LPC Bridge (rev 02)
Flags: bus master, medium devsel, latency 0

0000:00:1f.2 IDE interface: Intel Corp. 82801EB (ICH5) Serial ATA 150 Storage Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: IBM: Unknown device 0285
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 18
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at 1860 [size=16]

0000:00:1f.3 SMBus: Intel Corp. 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02)
Subsystem: IBM: Unknown device 0285
Flags: medium devsel, IRQ 17
I/O ports at 1880 [size=32]

0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at 1c00 [size=256]
I/O ports at 18c0 [size=64]
Memory at c0000800 (32-bit, non-prefetchable) [size=512]
Memory at c0000400 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2

0000:01:00.0 VGA compatible controller: ATI Technologies Inc RV350 AP [Radeon 9600] (prog-if 00 [VGA])
Subsystem: Giga-byte Technology: Unknown device 4022
Flags: bus master, fast Back2Back, 66MHz, medium devsel, latency 66, IRQ 16
Memory at d0000000 (32-bit, prefetchable) [size=256M]
I/O ports at 2000 [size=256]
Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [58] AGP version 3.0
Capabilities: [50] Power Management version 2

0000:01:00.1 Display controller: ATI Technologies Inc RV350 AP [Radeon 9600] (Secondary)
Subsystem: Giga-byte Technology: Unknown device 4023
Flags: bus master, fast Back2Back, 66MHz, medium devsel, latency 66
Memory at e0000000 (32-bit, prefetchable) [size=256M]
Memory at c0110000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 2

0000:03:08.0 Ethernet controller: Intel Corp. 82562EZ 10/100 Ethernet Controller (rev 02)
Subsystem: IBM: Unknown device 0285
Flags: bus master, medium devsel, latency 66, IRQ 20
Memory at c0214000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 3000 [size=64]
Capabilities: [dc] Power Management version 2

0000:03:09.0 Communication controller: Conexant: Unknown device 2702 (rev 01)
Subsystem: Conexant: Unknown device 2002
Flags: bus master, medium devsel, latency 32, IRQ 21
Memory at c0200000 (32-bit, non-prefetchable) [size=64K]
I/O ports at 3040 [size=8]
Capabilities: [40] Power Management version 2

0000:03:0c.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Procomp Informatics Ltd: Unknown device 15c5
Flags: bus master, medium devsel, latency 32, IRQ 20
Memory at c0215000 (32-bit, non-prefetchable) [size=2K]
Memory at c0210000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2


/dev/hda:

ATA device, with non-removable media
Model Number: Maxtor 6Y160M0
Serial Number: Y444CX9E
Firmware Revision: YAR51EW0
Standards:
Supported: 7 6 5 4
Likely used: 7
Configuration:
Logical max current
cylinders 16383 65535
heads 16 1
sectors/track 63 63
--
CHS current addressable sectors: 4128705
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 312581808
device size with M = 1024*1024: 152627 MBytes
device size with M = 1000*1000: 160041 MBytes (160 GB)
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 1
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Advanced power management level: unknown setting (0x0000)
Recommended acoustic management value: 192, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5 udma6
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:
* NOP cmd
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* Look-ahead
* Write cache
* Power Management feature set
Security Mode feature set
* SMART feature set
* FLUSH CACHE EXT command
* Mandatory FLUSH CACHE command
* Device Configuration Overlay feature set
* 48-bit Address feature set
* Automatic Acoustic Management feature set
SET MAX security extension
Advanced Power Management feature set
* DOWNLOAD MICROCODE cmd
* SMART self-test
* SMART error logging
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
not supported: enhanced erase
Checksum: correct
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 4
cpu MHz : 2794.270
cache size : 1024 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl cid
bogomips : 5521.40

processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 4
cpu MHz : 2794.270
cache size : 1024 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl cid
bogomips : 5570.56

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