Booting native 4K SSD disk from FreeBSD ?

[Toomas Soome]

With r325310, the UEFI boot with CURRENT should be ok with >512B sectors. The BIOS part is still work in the process.

rgds,
toomas


> On 4 Oct 2017, at 19:32, Allan Jude <allanjude at freebsd.org> wrote:
> 
> On 2017-10-04 05:27, Thomas Mueller wrote:
>> from Allan Jude:
>> 
>>>> Anyone has any recommendations or experience about how to use native 4K
>>>> disks with FreeBSD?
>> 
>>>> --HPS
>> 
>>> It is not possible in legacy/BIOS mode, because the BIOS calls do not
>>> let you specify a sector size.
>> 
>>> However, you SHOULD be able to boot from the 4k device using UEFI.
>>> I am trying to debug a problem I am having with this on my new Mac,
>>> which has a 4k NVMe disk.
>> 
>> I've been trying to figure how to boot a FreeBSD system with UEFI as opposed to BIOS-style.
>> 
>> I read the documentation, but want to boot a partition that might not be the first BSD partition on the hard disk.
>> 
>> For instance, some UFS partitions might have a NetBSD installation, a different FreeBSD installation, or no OS installation.
>> 
>> I read the man page (uefi) and looked at the files in /boot; have an EFI partition set up with more than enough space.
>> 
>> I would also want to be able to boot other UEFI-capable OSes including Linux, NetBSD (if that works), and Haiku when and if possible. 
>> 
>> Tom
>> 
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> 
> In this case, You likely want to install a tool like rEFInd, which will
> draw a menu of all of the installed OSes and let you pick.
> 
> I use this in two of my laptops, one dual boots freebsd and windows, and
> the other OS X and FreeBSD on my macbook pro
> 
> -- 
> Allan Jude
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