I have the same problem on VIA chipset. IDE DMA is disabled in
2.4.21-rc2 but works fine otherwise:
root@noodles /etc # hdparm -d 1 /dev/hda
/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
root@noodles /etc # lspci -v
00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] System Contr
ller (rev 13)
Flags: bus master, medium devsel, latency 32
Memory at f0000000 (32-bit, prefetchable) [size=64M]
Memory at f7005000 (32-bit, prefetchable) [size=4K]
I/O ports at a000 [disabled] [size=4]
Capabilities: [a0] AGP version 2.0
00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] AGP Bridge (p
rog-if 00 [Normal decode])
Flags: bus master, 66Mhz, medium devsel, latency 32
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 00009000-00009fff
Memory behind bridge: f4000000-f5ffffff
Prefetchable memory behind bridge: e8000000-efffffff
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40
)
Subsystem: ABIT Computer Corp. KG7-Lite Mainboard
Flags: bus master, stepping, medium devsel, latency 0
Capabilities: [c0] Power Management version 2
00:07.1 IDE interface: VIA Technologies, Inc. VT82C586/B/686A/B PIPC Bus Master
IDE (rev 06) (prog-if 8a [Master SecP PriP])
Subsystem: VIA Technologies, Inc. VT8235 Bus Master ATA133/100/66/33 IDE
Flags: bus master, medium devsel, latency 32
I/O ports at a400 [size=16]
Capabilities: [c0] Power Management version 2
00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 1a) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
Flags: bus master, medium devsel, latency 32, IRQ 15
I/O ports at a800 [size=32]
Capabilities: [80] Power Management version 2
00:07.3 USB Controller: VIA Technologies, Inc. USB (rev 1a) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
Flags: bus master, medium devsel, latency 32, IRQ 15
I/O ports at ac00 [size=32]
Capabilities: [80] Power Management version 2
00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
Subsystem: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
Flags: medium devsel, IRQ 5
Capabilities: [68] Power Management version 2
00:08.0 SCSI storage controller: Adaptec AHA-7850 (rev 03)
Subsystem: Adaptec AHA-2904/Integrated AIC-7850
Flags: bus master, medium devsel, latency 32, IRQ 15
I/O ports at b000 [disabled] [size=256]
Memory at f7008000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [dc] Power Management version 1
00:09.0 SCSI storage controller: Adaptec AHA-2940U/UW/D / AIC-7881U
Flags: bus master, medium devsel, latency 32, IRQ 11
I/O ports at b400 [disabled] [size=256]
Memory at f7004000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at <unassigned> [disabled] [size=64K]
00:0b.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 05)
Subsystem: Creative Labs CT4760 SBLive!
Flags: bus master, medium devsel, latency 32, IRQ 15
I/O ports at b800 [size=32]
Capabilities: [dc] Power Management version 1
00:0b.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 05)
Subsystem: Creative Labs Gameport Joystick
Flags: bus master, medium devsel, latency 32
I/O ports at bc00 [size=8]
Capabilities: [dc] Power Management version 1
00:0d.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 20)
Subsystem: Kingston Technologies: Unknown device f002
Flags: bus master, medium devsel, latency 32, IRQ 10
I/O ports at c000 [size=256]
Memory at f7006000 (32-bit, non-prefetchable) [size=256]
Expansion ROM at <unassigned> [disabled] [size=256K]
00:0f.0 FireWire (IEEE 1394): Texas Instruments TSB12LV26 IEEE-1394 Controller (
Link) (prog-if 10 [OHCI])
Subsystem: Procomp Informatics Ltd: Unknown device 8010
Flags: bus master, medium devsel, latency 32, IRQ 10
Memory at f7007000 (32-bit, non-prefetchable) [size=2K]
Memory at f7000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 1
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon R100 QD [Radeon 7
200] (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc Radeon AIW
Flags: bus master, stepping, 66Mhz, medium devsel, latency 32, IRQ 12
Memory at e8000000 (32-bit, prefetchable) [size=128M]
I/O ports at 9000 [size=256]
Memory at f5000000 (32-bit, non-prefetchable) [size=512K]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [58] AGP version 2.0
Capabilities: [50] Power Management version 2
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This archive was generated by hypermail 2b29 : Fri May 23 2003 - 22:00:27 EST