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Date:      Sun, 19 Apr 2026 11:03:47 -0700
From:      Mark Millard <marklmi@yahoo.com>
To:        Zhenlei Huang <zlei@FreeBSD.org>
Cc:        "freebsd-stable@FreeBSD.org" <freebsd-stable@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>
Subject:   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?
Message-ID:  <41752629-5c40-4dd6-9b98-429f0a706250@yahoo.com>
In-Reply-To: <DBC8687B-5CE0-460F-9D88-007218E37B84@FreeBSD.org>
References:  <fe02b10d-8ab6-46dc-a27a-949eee37b490@yahoo.com> <68D25BCF-6B36-426D-B593-8391D6A5D5B1@FreeBSD.org> <DBC8687B-5CE0-460F-9D88-007218E37B84@FreeBSD.org>

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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.


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


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