Creating a bootable ZFS disk?

[Steven Hartland]

On 24/01/2015 20:09, Dr Josef Karthauser wrote:
>> On 1 Jan 2015, at 19:28, Steven Hartland <killing at multiplay.co.uk> wrote:
>>
>> On 01/01/2015 17:18, Dr Josef Karthauser wrote:
>>> On 30 Dec 2014, at 16:34, Steven Hartland <killing at multiplay.co.uk> wrote:
>>>> This is strengthened by the fact that ATI's previous generation HW (SB600) had MSI disabled by r245875 due to a very similar issue.
>>>>
>>>> So given all the evidence so far ahci.0.msi=1 may well be the fix.
>>>>
>>> Is there any benefit to also trying with mdi > 1 < 8?
>> Nope as the ahci(4) details there's only 3 settings:
>> 0 = MSI disabled
>> 1 = Single MSI vector used, if supported
>> 2 = Multiple MSI vectors used, if supported (default)
>>
>> If setting it to 1 does fix it, I've got a patch which provides a quirk we can use to make that the default for this HW.
> Finally got the machine into a state I can test it - sorry for the delay.
>
> I’ve set it in boot.loader:
>
>      $ cat /boot/loader.conf
>      zfs_load=“YES"
>      ahci.0.msi=1
>
Your missing hint. your should have:
hint.achi.0.msi="1"

     Regards
     Steve