Re: armv7 main's gpart [show]: signal 11 core dump during boot, before login; xo_format_string_direct; official pkgbase distribution (kernel and world)

Bob prohaska <fbsd_at_www.zefox.net> wrote on
Date: Mon, 29 Dec 2025 14:06:41 UTC :
> 
> On Sun, Dec 28, 2025 at 06:44:54PM +0100, js@freebsd.org wrote:
> > Can someone with a FreeBSD 15 or 16 -CURRENT armv7 machine test if they're
> > also getting segfaults when running gpart show? Or better yet, if someone
> > has a test machine to lend me.
> >
> 
> On a Pi2 v1.1 running root@pelorus:~ # uname -apKU
> FreeBSD pelorus.zefox.org 16.0-CURRENT FreeBSD 16.0-CURRENT #12 main-n282490-f825427c0ae9: Mon Dec 15 18:04:49 PST 2025 bob@pelorus.zefox.org:/usr/obj/usr/src/arm.armv7/sys/GENERIC arm armv7 1600005 1600005

Turns out that is a few days too early. The commit to be tested
was:

Thu, 18 Dec 2025
. . .
    • git: 4f809ffec69c - main - gpart: add libxo support for "show" subcommand + man page updates Johan Söllvander
. . .

But it does tend to suggest that the issue did not appear before
that commit.

> there's no obvious problem, but this system isn't pristine; it's been patched
> per Warner's suggestions in the thread titled "...assertion failure...":
> 
> root@pelorus:~ # gpart show da0
> =>        63  1953525105  da0  MBR  (932G)
>           63        1985       - free -  (993K)
>         2048      102400    1  fat32lba  [active]  (50M)
>       104448  1953420720    2  freebsd  (931G)
> 
> root@pelorus:~ # gpart --libxo:JP show
> =>       63  125042625  mmcsd0  MBR  (60G)
>          63       1985          - free -  (993K)
>        2048     102400       1  fat32lba  [active]  (50M)
>      104448   10381312       2  freebsd  (5.0G)
>    10485760  114556928          - free -  (55G)
> 
> =>       0  10381312  mmcsd0s2  BSD  (5.0G)
>          0       128            - free -  (64K)
>        128  10381184         1  freebsd-ufs  (4.9G)
> 
> =>       63  125042625  diskid/DISK-5298532A  MBR  (60G)
>          63       1985                        - free -  (993K)
>        2048     102400                     1  fat32lba  [active]  (50M)
>      104448   10381312                     2  freebsd  (5.0G)
>    10485760  114556928                        - free -  (55G)
> 
> =>       0  10381312  diskid/DISK-5298532As2  BSD  (5.0G)
>          0       128                          - free -  (64K)
>        128  10381184                       1  freebsd-ufs  (4.9G)
> 
> =>        63  1953525105  da0  MBR  (932G)
>           63        1985       - free -  (993K)
>         2048      102400    1  fat32lba  [active]  (50M)
>       104448  1953420720    2  freebsd  (931G)
> 
> =>         0  1953420720  da0s2  BSD  (931G)
>            0         128         - free -  (64K)
>          128    10381184      1  freebsd-ufs  (4.9G)
>     10381312     3686400      2  freebsd-swap  (1.8G)
>     14067712     4505600         - free -  (2.1G)
>     18573312  1934847408      4  freebsd-ufs  (923G)
> 
> { }

FYI:

Mon, 29 Dec 2025
. . .
    • git: faff7013187b - main - geom_part: Fix format string issues Dag-Erling Smørgrav
. . .

Is the intended fix to the problem. I've not synchronized yet.


===
Mark Millard
marklmi at yahoo.com