On Friday 21 January 2011 19:45:07 meino.cra...@gmx.de wrote: > Hi, > > I got a little confused about the sense or nonsense of AHCI vs. IDE. > > I run a ASUS Crosshair IV Formula, which BIOS has a menu entry to > configure the SATA ports either for IDE or AHCI or RAID. Forget RAID > for a momen -- I dont use it (nothing against RAID ! ;) > > My box uses a linux 2.6.37 vanilla kernel. > > The kernel config has been set to > > CONFIG_SATA_AHCI=y > # CONFIG_SATA_AHCI_PLATFORM is not set > > In the dmesg output I found this: > > pci 0000:00:11.0: set SATA to AHCI mode > ahci 0000:00:11.0: AHCI 0001.0200 32 slots 4 ports 3 Gbps 0xf impl SATA > mode ahci 0000:07:00.0: AHCI 0001.0000 32 slots 2 ports 3 Gbps 0x3 impl > SATA mode > > despite the fact that AHCI is disabled in the BIOS settings (using > IDE). > > I did an experiment an disabled AHCI in the kernel (to make the kernel > settings consistent with the BIOS.) > > Result: The kernel did not find the root partition. > > In the meanwhile I do not understand all this never more. > > Why does the kernel boots only, if the BIOS says "IDE!" and linux > insists on "AHCI!"...and waht ist the result? > > Best regards, > mcc
so, why are you doing soemthing incredible stupid in the first place?
