Same problem here with linux-image 2.6.15-6. Performance is quite horrible without my usual UDMA ide settings. Launching bonnie++ means a 10.0+ load !
# hdparm -d 1 /dev/hda /dev/hda: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) # uname -a Linux mercury 2.6.15-1-686 #1 Fri Feb 10 15:49:07 UTC 2006 i686 GNU/Linux linux-image package installed: - linux-image-2.6-686 2.6.15-6 - linux-image-2.6.15-1-686 2.6.15-6 Below is part of the dmesg log (uptime: 3 days). It seems ICH4 come too late in the boot process. No disk-related module is listed in /etc/modules. Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Probing IDE interface ide0... hda: ST360015A, ATA DISK drive Probing IDE interface ide1... hdd: HL-DT-ST CD-ROM GCR-8520B, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide1 at 0x170-0x177,0x376 on irq 15 hda: max request size: 128KiB hda: 117231408 sectors (60022 MB) w/2048KiB Cache, CHS=65535/16/63 hda: cache flushes supported hda: hda1 hda2 hda3 < hda5 hda6 hda7 > ... shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 ICH4: IDE controller at PCI slot 0000:00:1f.1 ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 193 ICH4: chipset revision 1 ICH4: not 100% native mode: will probe irqs later ICH4: port 0x01f0 already claimed by ide0 ICH4: port 0x0170 already claimed by ide1 ICH4: neither IDE port enabled (BIOS) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
