Re: 14.3-RELEASE gpart show output (?.?T) vs. 14.4 and 15.0 and main: why do 14.4 and 15.0 and main have some single significant digit (?T) size figures?

> On Apr 20, 2026, at 2:03 AM, Mark Millard <marklmi@yahoo.com> wrote:
> 
> On 4/19/26 10:40, Zhenlei Huang wrote:
>> 
>> 
>>> On Apr 20, 2026, at 1:11 AM, Zhenlei Huang <zlei@FreeBSD.org
>>> <mailto:zlei@FreeBSD.org>> wrote:
>>> 
>>> 
>>> 
>>>> On Apr 19, 2026, at 11:03 PM, Mark Millard <marklmi@yahoo.com
>>>> <mailto:marklmi@yahoo.com>> wrote:
>>>> 
>>>> 14.3-RELEASE (more useful):
>>>> 
>>>> =>        40  1875384928    da1  GPT  (894G)
>>>> =>        40  2930277095    nda1  GPT  (1.4T)
>>>> =>        34  2930277101    da0  GPT  (1.4T)
>>>> =>        34  3907029101    nda0  GPT  (1.8T)
>>>> =>        34  4000797293    nda3  GPT  (1.9T)
>>>> 
>>>> 
>>>> 14.4-RELEASE and 15.0-RELEASE and main (less useful):
>>>> 
>>>> =>        40  1875384928    da1  GPT  (894G)
>>>> =>        40  2930277095    nda1  GPT  (1T)
>>>> =>        34  2930277101    da0  GPT  (1T)
>>>> =>        34  3907029101    nda0  GPT  (2T)
>>>> =>        34  4000797293    nda3  GPT  (2T)
>>>> 
>>> 
>>> It appears to be caused by 4f809ffec69c (gpart: add libxo support for
>>> "show" subcommand + man page updates) .
>>> 
>>> Prior to the change the size was formatted to human friendly format by
>>> `fmtsize(pp->lg_mediasize))` which in turn calls 
>>> ```
>>> humanize_number(buf, sizeof(buf), rawsz, "", HN_AUTOSCALE,
>>>            HN_B | HN_NOSPACE | HN_DECIMAL);
>>> ```,
>>> 
>>> now it is formatted with 
>>> ```
>>> xo_emit("  ({h:size/%jd})\n", (intmax_t)pp->lg_mediasize);
>>> ```
>>> 
>>> It appears that libxo does not handle well with numbers those exceed
>>> 10^12, ( 1 Terabyte in this case ).
>> 
>> Try this patch please, not a full fix for all the "size" column,
>> 
>> ```
>> Author: Zhenlei Huang <zlei@FreeBSD.org <mailto:zlei@FreeBSD.org>>
>> Date:   Mon Apr 20 01:38:21 2026 +0800
>> 
>>     geom_part: Fix the format of size
>> 
>> diff --git a/lib/geom/part/geom_part.c b/lib/geom/part/geom_part.c
>> index 852eec2d790a..ca3c5f2c27c3 100644
>> --- a/lib/geom/part/geom_part.c
>> +++ b/lib/geom/part/geom_part.c
>> @@ -723,7 +723,7 @@ gpart_show_geom(struct ggeom *gp, const char
>> *element, int show_providers)
>>                 }
>>                 if (idx)
>>                         xo_emit("]");
>> -               xo_emit("  ({h:size/%jd})\n", (intmax_t)pp->lg_mediasize);
>> +               xo_emit("  ({h,hn-decimal:size/%jd})\n", (intmax_t)pp-
>>> lg_mediasize);
>>                 xo_close_instance(s);
>>                 first = end + 1;
>>         }
>> ```
>> 
>>> 
>>>> 
>>>> -- 
>>>> ===
>>>> Mark Millard
>>>> marklmi at yahoo.com <http://yahoo.com/>
>>>> 
>>>> 
>>> 
>>> Best regards,
>>> Zhenlei
>> 
>> Best regards,
>> Zhenlei
>> 
> 
> I'm in the middle of other building-port-packages timing tests on the
> systems. So I'll wait on doing the above.

See https://reviews.freebsd.org/D56514 <https://reviews.freebsd.org/D56514> for the full patch.

> 
> 
> -- 
> ===
> Mark Millard
> marklmi at yahoo.com

Best regards,
Zhenlei