Odd ZFS boot module issue on r332158

[Toomas Soome]

> On 1 May 2018, at 17:34, Andrew Gallatin <gallatin at cs.duke.edu> wrote:
> 
> On 04/10/18 16:51, Andriy Gapon wrote:
>> On 10/04/2018 22:48, Andrew Gallatin wrote:
>>> On 04/10/18 11:25, Andriy Gapon wrote:
>>>> On 10/04/2018 15:27, Andrew Gallatin wrote:
>>>>> Is there something like tools/diag/prtblknos for ZFS?
>>>> 
>>>> zdb.
>>>> 
>>>> It has a manual page, but in the case like this you typically want to run
>>>> zdb -d[d*] <ZFS filesystem name> <file's inode number>
>>>> Add d-s until you get all the information you want.
>>>> 
>>>> It looks like five d-s is needed to get individual blocks reported.
>>>> 
>>> 
>>> Thanks for the instructions!
>>> 
>>> How do I interpret this output:
>> [snip]
>>>                0 L1  1:1f01016c000:1000 20000L/1000P F=3 B=16769122/16769122
>>>                0  L0 1:1f00f9e3000:20000 20000L/20000P F=1 B=16769122/16769122
>>>            20000  L0 1:1f00fa03000:20000 20000L/20000P F=1 B=16769122/16769122
>>>            40000  L0 1:1f00fa23000:20000 20000L/20000P F=1 B=16769122/16769122
>> The first number is an offset within the file (hex); Lx is a block level where
>> L0 is a data block, L1 is an indirect block just above data blocks, etc; x:y:z
>> is a (top-level) vdev number, a block offset on disk (hex) and a block size on
>> disk(hex); the rest is not as important.
>> The quoted offsets appear to be just below 2TB.
> 
> Are these byte addresses?  Or do I need to multiply by the blocksize to determine the offset into the file?  From your "just below 2TB" I'm assuming byte addresses.
> 
> This is a supermicro board X10SRA. They do have a f/w update,
> but I suspect it is mainly just for new ucode.  Of course there is
> no changelong.  I guess I'll try it if/when I'm totally unable to
> boot into a new BE.
> 
> I just checked, and my EFI loader is ~1 year old, I should probably try
> updating that too.
> 
> FWIW, I just updated to head again, and I see a problem with just one
> module, which looks like the attached.
> 

could you test https://reviews.freebsd.org/D15207 <https://reviews.freebsd.org/D15207> ?

rgds,
toomas