On Dec 28, 2025, at 08:54, Mark Millard <[email protected]> wrote:
> [Resend including freebsd-arm.]
>
> On Dec 28, 2025, at 08:48, Mark Millard <[email protected]> wrote:
>
> [email protected] <js_at_FreeBSD.org> wrote on
> Date: Sun, 28 Dec 2025 11:01:59 UTC :
>
>> I'll take a look at it and try to setup a reproducer, unfortunately my
>> time is a bit limited during the holidays so I can't promise any quick
>> fixes right now.
>>
>> Could you share the output of
>>
>> gpart --libxo:JP show
>>
>> with me? If possible.
>
> On the Orange Pi Plus 2e (Cortex-A7, not aarch64,
> just armv7):
>
> # gpart --libxo:JP show
> Segmentation fault (core dumped)
>
> I'll note that the 0x6e480000 in r0 that is shown
> later below is the same failing address reported
> in my original list submittal about the issue.
>
>
> For reference:
>
> (gdb) bt
> #0 strlen () at /usr/src/lib/libc/arm/string/strlen.S:46
> #1 0x20151020 in xo_format_string (xop=0x2009b120, xbp=0x2009b150,
> flags=4096, xfp=0xbfbfd1f8) at /usr/src/contrib/libxo/libxo/libxo.c:2966
> #2 xo_do_format_field (xop=<optimized out>, xop@entry=0x2009b120,
> xbp=0x2009b150, fmt=fmt@entry=0xbfbfd268 "%s", flen=<optimized out>,
> flags=4096) at /usr/src/contrib/libxo/libxo/libxo.c:3503
> #3 0x2014d0a8 in xo_simple_field (xop=0x2009b120, encode_only=0, value=0x0,
> vlen=0, fmt=0xbfbfd268 "%s", flen=2, flags=4096) at
> /usr/src/contrib/libxo/libxo/libxo.c:3817
> #4 xo_format_value (xop=<optimized out>, xop@entry=0x2009b120,
> name=name@entry=0x204bf931 "state}\n", nlen=nlen@entry=5, value=0x0, vlen=0,
> fmt=0xbfbfd268 "%s", flen=2, encoding=0x0, elen=0,
> flags=4096) at /usr/src/contrib/libxo/libxo/libxo.c:4535
> #5 0x20148710 in xo_do_emit_fields (xop=<optimized out>,
> xop@entry=0x2009b120, fields=<optimized out>, fields@entry=0xbfbfd768,
> max_fields=max_fields@entry=17, fmt=<optimized out>)
> at /usr/src/contrib/libxo/libxo/libxo.c:6372
> #6 0x201476a0 in xo_do_emit (xop=xop@entry=0x2009b120, flags=<optimized
> out>, fmt=fmt@entry=0x204bf8e3 "=>{t:start/%*jd} {t:sectors/%*jd}
> {t:name/%*s} {:scheme} ({h:size/%ld}){t:state}\n")
> at /usr/src/contrib/libxo/libxo/libxo.c:6551
> #7 0x20147840 in xo_emit (fmt=0x204bf8e3 "=>{t:start/%*jd} {t:sectors/%*jd}
> {t:name/%*s} {:scheme} ({h:size/%ld}){t:state}\n") at
> /usr/src/contrib/libxo/libxo/libxo.c:6622
> #8 0x204d1fd4 in gpart_show_geom (gp=gp@entry=0x20089168,
> element=element@entry=0x204bfe51 "type",
> show_providers=show_providers@entry=0) at
> /usr/src/lib/geom/part/geom_part.c:654
> #9 0x204d1048 in gpart_show (req=0x20089000, fl=<optimized out>) at
> /usr/src/lib/geom/part/geom_part.c:793
> #10 0x000230dc in run_command (argc=0, argv=<optimized out>) at
> /usr/src/sbin/geom/core/geom.c:497
> #11 0x00022308 in main (argc=1, argv=0xbfbfed10) at
> /usr/src/sbin/geom/core/geom.c:861
> (gdb) list
> . . .
>
I'll note that the details are different, but I get failures
in an armv7 chroot on aarch64 that supports armv7 code. So
that is another type of environment that might be of use based
on pkgbase distribution materials.
Your --libxo:JP command in that context gets some output
before also getting a segmentation fault:
# gpart --libxo:JP show
{
"__version": "1",
"PART": [
{
"start": 34,
"sectors": 1000215149,
"name": "nda0",
"scheme": "GPT",
"size": 2,
"state": "(null)",
"partitions": [
{
"start": 34,
"sectors": 2014,
"free": true,
"size": 2
},
{
"start": 2048,
"sectors": 532480,
"index": 1,
"name": "nda0p1",
"type": "efi",
"label": "EFI system partition",
"rawtype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
"size": 541854500
},
{
"start": 534528,
"sectors": 32768,
"index": 2,
"name": "nda0p2",
"type": "ms-reserved",
"label": "Microsoft reserved partition",
"rawtype": "e3c9e316-0b5c-4db8-817d-f92df00215ae",
"size": 541854500
},
{
"start": 567296,
"sectors": 997287936,
"index": 3,
"name": "nda0p3",
"type": "ms-basic-data",
"label": "Basic data partition",
"rawtype": "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7",
"size": 541854500
},
{
"start": 997855232,
"sectors": 2359296,
"index": 4,
"name": "nda0p4",
"type": "ms-recovery",
"label": "(null)",
"rawtype": "de94bba4-06d1-4d40-a16a-bfd50179d6ac",
"size": 541854500
},
{
"start": 1000214528,
"sectors": 655,
"free": true,
"size": 2
}
]
},
{
"start": 34,
"sectors": 2930277101,
"name": "da0",
"scheme": "GPT",
"size": 0,
"state": "(null)",
"partitions": [
{
"start": 34,
"sectors": 32734,
"free": true,
"size": 0
},
{
"start": 32768,
"sectors": 501760,
"index": 1,
"name": "da0p1",
"type": "efi",
"label": "PBaseEFI",
"rawtype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
"size": 541854500
},
{
"start": 534528,
"sectors": 20971520,
"index": 2,
"name": "da0p2",
"type": "freebsd-swap",
"label": "PBaseSwp10",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 21506048,
"sectors": 29360128,
"index": 3,
"name": "da0p3",
"type": "freebsd-swap",
"label": "PBaseSwp14",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 50866176,
"sectors": 33554432,
"index": 4,
"name": "da0p4",
"type": "freebsd-swap",
"label": "PBaseSwp16",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
"type": "freebsd-swap",
"label": "PBaseSwp32",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 151529472,
"sectors": 96468992,
"index": 6,
"name": "da0p6",
"type": "freebsd-swap",
"label": "PBaseSwp46",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 247998464,
"sectors": 268435456,
"index": 7,
"name": "da0p7",
"type": "freebsd-swap",
"label": "PBaseSwp128",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 516433920,
"sectors": 7340032,
"index": 8,
"name": "da0p8",
"type": "freebsd-swap",
"label": "PBaseSwp3p5",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 523773952,
"sectors": 13096960,
"free": true,
"size": 0
},
{
"start": 536870912,
"sectors": 2357198848,
"index": 9,
"name": "da0p9",
"type": "freebsd-ufs",
"label": "PBaseUFS",
"rawtype": "516e7cb6-6ecf-11d6-8ff8-00022d09712b",
"size": 541854500
},
{
"start": 2894069760,
"sectors": 36207375,
"free": true,
"size": 0
}
]
}Segmentation fault (core dumped)
# gpart show
=> 34 1000215149 nda0 GPT (2)(null)
34 2014 - free - (2)
2048 532480 1 efi (517M)
534528 32768 2 ms-reserved (517M)
567296 997287936 3 ms-basic-data (517M)
997855232 2359296 4 ms-recovery (517M)
1000214528 655 - free - (2)
=> 34 2930277101 da0 GPT (0)(null)
34 32734 - free - (0)
32768 501760 1 efi (517M)
534528 20971520 2 freebsd-swap (517M)
21506048 29360128 3 freebsd-swap (517M)
50866176 33554432 4 freebsd-swap (517M)
84420608 67108864 5 freebsd-swap (517M)
151529472 96468992 6 freebsd-swap (517M)
247998464 268435456 7 freebsd-swap (517M)
516433920 7340032 8 freebsd-swap (517M)
523773952 13096960 - free - (0)
536870912 2357198848 9 freebsd-ufs (517M)
2894069760 36207375 - free - (0)
Segmentation fault (core dumped)
From an aarch64 context instead pf the armv7 chroot:
# gpart show
you have mail
=> 34 1000215149 nda0 GPT (477G)
34 2014 - free - (1007K)
2048 532480 1 efi (260M)
534528 32768 2 ms-reserved (16M)
567296 997287936 3 ms-basic-data (476G)
997855232 2359296 4 ms-recovery (1G)
1000214528 655 - free - (328K)
=> 34 2930277101 da0 GPT (1T)
34 32734 - free - (16M)
32768 501760 1 efi (245M)
534528 20971520 2 freebsd-swap (10G)
21506048 29360128 3 freebsd-swap (14G)
50866176 33554432 4 freebsd-swap (16G)
84420608 67108864 5 freebsd-swap (32G)
151529472 96468992 6 freebsd-swap (46G)
247998464 268435456 7 freebsd-swap (128G)
516433920 7340032 8 freebsd-swap (4G)
523773952 13096960 - free - (6G)
536870912 2357198848 9 freebsd-ufs (1T)
2894069760 36207375 - free - (17G)
Here is a "diff -u" of the libxo:JP outputs:
# diff -u gpart_show_armv7_failure_libxo_jp.txt
gpart_show_aarch64_good_libxo_jp.txt
--- gpart_show_armv7_failure_libxo_jp.txt 2025-12-28 10:27:57.985558000
-0800
+++ gpart_show_aarch64_good_libxo_jp.txt 2025-12-28 10:28:41.456968000
-0800
@@ -7,14 +7,14 @@
"sectors": 1000215149,
"name": "nda0",
"scheme": "GPT",
- "size": 2,
- "state": "(null)",
+ "size": 512110190592,
+ "state": "",
"partitions": [
{
"start": 34,
"sectors": 2014,
"free": true,
- "size": 2
+ "size": 1031168
},
{
"start": 2048,
@@ -24,7 +24,7 @@
"type": "efi",
"label": "EFI system partition",
"rawtype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
- "size": 541854500
+ "size": 272629760
},
{
"start": 534528,
@@ -34,7 +34,7 @@
"type": "ms-reserved",
"label": "Microsoft reserved partition",
"rawtype": "e3c9e316-0b5c-4db8-817d-f92df00215ae",
- "size": 541854500
+ "size": 16777216
},
{
"start": 567296,
@@ -44,7 +44,7 @@
"type": "ms-basic-data",
"label": "Basic data partition",
"rawtype": "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7",
- "size": 541854500
+ "size": 510611423232
},
{
"start": 997855232,
@@ -54,13 +54,13 @@
"type": "ms-recovery",
"label": "(null)",
"rawtype": "de94bba4-06d1-4d40-a16a-bfd50179d6ac",
- "size": 541854500
+ "size": 1207959552
},
{
"start": 1000214528,
"sectors": 655,
"free": true,
- "size": 2
+ "size": 335360
}
]
},
@@ -69,14 +69,14 @@
"sectors": 2930277101,
"name": "da0",
"scheme": "GPT",
- "size": 0,
- "state": "(null)",
+ "size": 1500301910016,
+ "state": "",
"partitions": [
{
"start": 34,
"sectors": 32734,
"free": true,
- "size": 0
+ "size": 16759808
},
{
"start": 32768,
@@ -86,7 +86,7 @@
"type": "efi",
"label": "PBaseEFI",
"rawtype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
- "size": 541854500
+ "size": 256901120
},
{
"start": 534528,
@@ -96,7 +96,7 @@
"type": "freebsd-swap",
"label": "PBaseSwp10",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 10737418240
},
{
"start": 21506048,
@@ -106,7 +106,7 @@
"type": "freebsd-swap",
"label": "PBaseSwp14",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 15032385536
},
{
"start": 50866176,
@@ -116,12 +116,17 @@
"type": "freebsd-swap",
"label": "PBaseSwp16",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 17179869184
},
+ {
+ "start": 84420608,
+ "sectors": 67108864,
- "size": 541854500
+ "size": 34359738368
},
{
"start": 151529472,
@@ -131,7 +136,7 @@
"type": "freebsd-swap",
"label": "PBaseSwp46",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 49392123904
},
{
"start": 247998464,
@@ -141,7 +146,7 @@
"type": "freebsd-swap",
"label": "PBaseSwp128",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 137438953472
},
{
"start": 516433920,
@@ -151,13 +156,13 @@
"type": "freebsd-swap",
"label": "PBaseSwp3p5",
"rawtype": "516e7cb5-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 3758096384
},
{
"start": 523773952,
"sectors": 13096960,
"free": true,
- "size": 0
+ "size": 6705643520
},
{
"start": 536870912,
@@ -167,13 +172,16 @@
"type": "freebsd-ufs",
"label": "PBaseUFS",
"rawtype": "516e7cb6-6ecf-11d6-8ff8-00022d09712b",
- "size": 541854500
+ "size": 1206885810176
},
{
"start": 2894069760,
"sectors": 36207375,
"free": true,
- "size": 0
+ "size": 18538176000
}
]
- }Segmentation fault (core dumped)
+ }
+ ]
+}
+
===
Mark Millard
marklmi at yahoo.com
