Using Gentoo 1.2 on IBM eServer Xseries 232 CD ROM drive is IDE (only IDE device) CD rom boots ok and installation proceeds ok according to installation instructions (onl variation is 'modprobe ips' required for IBM ServerRAID) but at mount /dev/cdroms/cdrom0 /mnt/cdrom -o ro -t iso9660 I get and error 'Serverworks OSB4 in impossible state' and I have to reboot. dmesg output shows Serverworks OSB4 ide 0 BM-DMA at 0x0840 0x0847, BIOS settings: hda: DMA hda LTN4865, ATAPI CD.DVD-ROM ide0 at 0x1f0 -0x1f7, 0x3f6 on irq14 A Google search shows some correspondance about this on the kernel mailing list with regard to Seagate drives but nothing about cdrom problems I have sucessfully installed SuSE 7.3 and Debian 2.2r5 on this system so this does appear to be something in the Gentoo kernel
a work-around for this is to use hdparm -d0 /dev/hda after booting gentoo. recompiling the kernel without DMA should also fix this
Report this to the Linux kernel mailinglist, at linux-kernel@vger.kernel.org. Turning off DMA works around this on the serverworks box I have at work.
not a bug that we handle, hopefully future linux kernel versions will fix this for you.
Moving these so we can remove the "Install CD" component from "Gentoo Linux". I apologize to everyone for this spam, but according to the bugzilla developers, this is the only reasonable way to do this.
