Unable to boot from an AHCI enabled SATA disk
I'm having a very strange problem with installing Grub to the MBR after switching my sole SATA disk to AHCI mode (Standard IDE mode has all kinds of problems with Linux). Both the automated grub-install and manual grub shell setup fail to install Grub to the MBR correctly (although the output messages make it seem as if everything has gone perfectly).
I have 3 ext3 partitions and 1 swap, all primary. /dev/sda1 and /dev/sda2 contain Ubuntu 6.06 and Gentoo 2.6.20-r8 installs respectively, with sda3 being swap and sda4 currently empty. Here is my grub.conf from Gentoo: Code:
default 0 Code:
root (hd0,1) I'm at my wit's end here. I've tried different combinations of BIOS settings and nothing seems to make it boot from the SATA disk. I just get the message "Insert media in Boot Device or reboot". Has anybody else experienced similar issues? |
Is your /boot/grub/device.map file contents still pointing to a dev/hd* ?
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Unfortunately I already switched back to Standard IDE and nuked all of the partitions. Although I do recall using device.map sometime during my numerous experiments.
I'll try to force Grub to use the geometry info reported in Standard IDE mode with a different drive. |
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