Dear Linux folks,


On 05/13/18 10:34, Paul Menzel wrote:

> In QEMU 2.11 a disk is only detected by the AHCI driver and not by 
> libata. On QEMU’s Standard PC (i440FX + PIIX, 1996), that causes an 
> attached drive not to be detected as that machine doesn’t support AHCI.
> 
> Here is the output with the machine Standard PC (Q35 + ICH9, 2009), 
> which does have AHCI support.

[…]

> Is that a Linux or QEMU issue?

After selecting the options below and rebuilding the Linux kernel, the 
disk is detected also in QEMU’s Standard PC (i440FX + PIIX, 1996).

CONFIG_ATA_SFF=y
CONFIG_ATA_BMDMA=y
CONFIG_PATA_OLDPIIX=y


Sorry for the noise. Kind regards,

Paul