Hello, On 09/30/2010 12:27 AM, Ben Hutchings wrote: > On Wed, 2010-09-29 at 18:50 +0200, thomas.debesse+debian@xxxxxxxxx > wrote: > [...] >> ICH6 sata controller could be managed by both ata_piix and ahci module but only >> ahci module handle hotplug. >> At boot time, when ata_piix is loaded before ahci module, it takes control of >> the ICH6 controller and the ahci module does'nt manage nothing. Because >> ata_piix also manage ICH6 sata controller, hard drives are managed, but because >> ata_piix module is used in place of ahci module, because ahci module is'nt >> used, hotplug (and other ahci functionnalities indeed) does'nt works. > [...] >> The solution is to load ahci module before ata_piix module, then we can have >> SATA drives managed by ahci module and IDE drives managed by ata_piix module. > [...] > > You can force ahci to be loaded first: > 1. Add the line 'ahci' to /etc/initramfs-tools/modules. > 2. Run 'update-initramfs -u' to regenerate the initramfs. > 3. Reboot. > > But it seems like it would be better if ahci was automatically > preferred. With modules.order in place, modprobe will always prefer ahci over ata_piix (the preference follows the link order). Maybe debian initrd doesn't handle modules.order properly? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html