Hi Tejun: > > That's strange. I guess we're forgetting something when forcing the > > controller into AHCI mode. > > Yes, it's strange. This issue also exists on RedHat RHEL5.1 and RHEL4.6 > > > What happens if you manually issue re-scan > > by doing "echo - - - > /sys/class/scsi_host/hostN/scan" where hostN is > > the SCSI host for the ATA port you moved the drive? > > "echo" helps nothing in this issue, the /dev/scd1 still can not appear, > Here is the log message when do "echo", ata2 is the new SATA port connected > to SATA HDD after hotplug under native IDE mode: It seems that this issue has been fixed by our up to date BIOS. I will give you more information after further confirmation when necessary. Thanks Shane - 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