Same problem/bug/feature found on Supermicro's X7DBE+ motherboard: the Intel ESB2 IDE+SATA controller gets the ata_piix driver instead of the ahci driver under Fiesty (Ubuntu kernel 2.6.20-15-generic). On top of making the IDE controller flaky, this removes 1/3 of the SATA controller: the ata_piix dirver recognizes only 4 SATA drives instead of 6. :( :( Here are the two salient lines of the lspci -vvnn report:
IDE interface [0101]: Intel Corporation 631xESB/632xESB IDE Controller [8086:269e] (rev 09) (prog-if 8f [Master SecP SecO PriP PriO]) IDE interface [0101]: Intel Corporation 631xESB/632xESB/3100 Chipset SATA Storage Controller IDE [8086:2680] (rev 09) (prog-if 8f [Master SecP SecO PriP PriO]) Exactly the same problem as reported by Shaw hereabove. I work with a small ISP in Canada, where we use this Supermicro motherboard in our servers, with two dual-core Xeon 5150 apiece. Losing 2 of our 6 SATA drive is as real problem as having our servers running way too slow. (We are using KVM + kqemu in these servers.) I've been trying to patch the driver as mentionned by Christian hereabove, using the source I got from apt-get install linux-source-2.6.20 and the .config I got from apt-get install linux-headers-2.6.20-15-generic but I keep getting strangely bloated modules (I guess all symbols are still in there), many times bigger than the modules that came with the install cdrom (Ubuntu 7.04 server for x86_64) Any help would be welcome. Norman. -- ata_piix used instead of AHCI for Mac Pro https://bugs.launchpad.net/bugs/96692 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
