Hello! I'm not able to activate dma mode for cdrom drive in my laptop. # hdparm -d1 /dev/hdd
/dev/hdd: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) I have the following hardvers: # lspci 00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04) 00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 04) 00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04) 00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4) 00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04) 00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04) 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X700 (PCIE) 06:03.0 Network controller: Intel Corporation PRO/Wireless 2200BG Network Connection (rev 05) 06:04.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller 06:04.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller 06:04.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller 06:04.4 Class 0805: Texas Instruments PCI6411, PCI6421, PCI6611, PCI6621, PCI7411, PCI7421, PCI7611, PCI7621 Secure Digital (SD) Controller 06:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10) And dmesg: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ide0: I/O resource 0x1F0-0x1F7 not free. ide0: ports already in use, skipping probe Probing IDE interface ide1... input: AT Translated Set 2 keyboard as /class/input/input0 hdd: PHILIPS DVD+/-RW SDVD8441, ATAPI CD/DVD-ROM drive input: ImPS/2 Logitech Wheel Mouse as /class/input/input1 ide1 at 0x170-0x177,0x376 on irq 15 hdd: ATAPI 24X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache Uniform CD-ROM driver Revision: 3.20 I think the problem is that there is no driver for this chipset compiled into the kernel. But I don't know which driver should be compiled into. I tried Intel PIIXn but it didn't help. Thanks for the help in advance, István -- gentoo-user@gentoo.org mailing list