Dear Reiner,
Am Samstag, den 20.07.2013, 13:47 +0200 schrieb Reiner Luett: […] > On 02.07.2013 23:42, Paul Menzel wrote: > > > I do not understand that paragraph. Could you please elaborate how you > > figure out that the SATA controller is not running in AHCI mode anymore > > after powering off. > > That was a bit strange, because I don't know why AHCI is not working > with the involved SSD. > > My setup is the following: I've compiled coreboot with the defaults and > add the needed vBios. After flashing into the ROM and reboot the > machine, I can boot from the connected Sandisk pSSD P4 (SDSA3BD-016G). with AHCI, right? > After powering off, the AHCI mode is working, but I cannot boot from the > device any more. > > I've tried some other devices. USB flash drive with DOS don't work. Also > some USB flash drive with grub doesn't work. But booting from a CD/DVD > or traditional SATA drive was fine. > > If I have changed to IDE Mode, I can boot every device. I guess, that > there is a problem with this SSD. Maybe I need to debug the firmware, > but I don't know how. What firmware? The one from the SSD device? > > In coreboot since some months AHCI mode is the default mode and > > therefore everything should work out of the box. Even if you selected > > NATIVE (IDE mode) only loading the payload like GRUB or SeaBIOS would > > take a little longer. Afterward for example the Linux kernel switches to > > AHCI mode anyway [1]. > > Yes you are right. AHCI mode works. I only recognized a difference with > the sensors (CPU internal temp) and the fan control in AHCI mode. Please paste the differences. > With the IDE mode the values aren't correct shown. I would appreciate to use > the AHCI mode with the SSD. Maybe you have some suggestions how I could > get it working. 1. What payloads did you try? 2. Please paste the full logs with debugging output enabled in the payload(s), when it works and when it does not. > > I do not even know if the vendor BIOS ships these ROMs. But > > `bios_extract` would be the way to go to check. > > IMC firmware should be free. It comes with the sources. I cannot use > bios_extract with the current Asrock UEFI. Unfortunately, I have no idea how to fix `bios_extract` that. Thanks, Paul
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