Re: [Qemu-devel] AHCI problems.

[Alexander Graf]

On 20.05.2011, at 19:27, Alexey Zaytsev wrote:

> On Fri, May 20, 2011 at 00:29, Alexey Zaytsev <address@hidden> wrote:
>> On Tue, May 17, 2011 at 17:46, Alexander Graf <address@hidden> wrote:
>>> 
>>> On 15.05.2011, at 18:41, Alexey Zaytsev wrote:
>>> 
>>>> Hi again.
>>>> 
>>>> After reverting 667bb59, ahci works fine in Linux, if I boot it with
>>>> -kernel, but grub seems to have some problems.
>>>> Grub2 gets to the rescue prompt. The disk and its partitions seem to
>>>> be detected correctly, but not the filesystem.
>>>> Grub-legacy (from illumos) complains about checksum verification
>>>> failures, supposedly in stage2.
>>> 
>>> So I just tried again and grub-legacy works just fine for me with an 
>>> opensuse image, after rebuilding SeaBIOS to enable AHCI. I suppose you're 
>>> trying this on Ubuntu?
>>> 
>>> 
>> 
>> Sorry for the delay. I see it's fixed now, so thanks a lot for that!
>> 
> 
> Ok, this works for both grub and grub-legacy, and Linux is happy as
> well. But illumos won't mount the root fs. From the AHCI debug I see:
> 
> ahci: process_ncq_command: [0] NCQ transfer LBA from 0 to -1, drive max 
> 62914559
> ahci: process_ncq_command: [0] NCQ reading 0 sectors from LBA 0, tag 0
> 
> and this looks a bit suspicious.

Ok, so I just installed the current OpenIndiana development build 
(http://dlc.openindiana.org/isos/148/oi-dev-148-text-x86.iso) on AHCI and 
booted from it. It works just fine for me :).


Alex