I just attempted to install 5.2-RC1 and had to give up before the kernel on the bootstrap floppy finished booting. When it tried to access my Serial ATA disks, it started slowly spitting out a possibly endless stream of error messages. This one is typical: ad4: WARNING - READ DMA recovered from missing interrupt I eventually gave up and aborted the boot. I suppose I could disable the SATA controller in the BIOS, but I don't see much point in doing that since the SATA disks are an essential part of my system. I have a 2.8 GHz hyperthreaded P4 on a Gigabyte 8KNXP motherboard. It uses the Intel 875P/ICH5R support chipset. FreeBSD 4.9 and 5.1 boot and run just fine on this system. This is the output from "dmesg | grep ata" when running FreeBSD 4.9: atapci0: <Intel ICH5 ATA100 controller> port 0xf000-0xf00f,0-0x3,0-0x7,0-0x3,0-0x7 irq 9 at device 31.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 atapci1: <Intel ICH5 SATA150 controller> port 0xd000-0xd00f,0xcc00-0xcc03,0xc800-0xc807,0xc400-0xc403,0xc000-0xc007 irq 9 at device 31.2 on pci0 ata2: at 0xc000 on atapci1 ata3: at 0xc800 on atapci1 ad0: 78167MB <Maxtor 6Y080L0> [158816/16/63] at ata0-master UDMA100 ad1: 78167MB <Maxtor 4R080L0> [158816/16/63] at ata0-slave UDMA100 ad4: 114473MB <ST3120026AS> [232581/16/63] at ata2-master UDMA100 ad6: 114473MB <ST3120026AS> [232581/16/63] at ata3-master UDMA100 acd0: CD-RW <SAMSUNG CDRW/DVD SM-352B> at ata1-master UDMA33 Dan Strick strick_at_covad.netReceived on Wed Dec 10 2003 - 20:01:36 UTC
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