[Bug 296474] rack: recovery_rxt_cnt would go negative

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D296474

Dave Cottlehuber <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #272905|0                           |1
        is obsolete|                            |

--- Comment #3 from Dave Cottlehuber <[email protected]> ---
Created attachment 272906
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D272906&action=
=3Dedit
this time include how we produced BB log from output

lets try to process this, I have an amd64 15.1-RELEASE box:

dch@wintermute /t/wat> kgdb=20
/usr/obj/usr/src/arm64.aarch64/sys/GENERIC/kernel.debug  vmcore.172.16.1.12=
.1
GNU gdb (GDB) 15.1 [GDB v15.1 for FreeBSD]
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
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Type "show configuration" for configuration details.
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Reading symbols from /usr/obj/usr/src/arm64.aarch64/sys/GENERIC/kernel.debu=
g...
warning: File "/tmp/wat/.gdbinit" auto-loading has been declined by your
`auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
        add-auto-load-safe-path /tmp/wat/.gdbinit
line to your configuration file "/home/dch/.config/gdb/gdbinit".
To completely disable this security protection add
        set auto-load safe-path /
line to your configuration file "/home/dch/.config/gdb/gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the she=
ll:
        info "(gdb)Auto-loading safe path"
Error while mapping shared library sections:
`/boot/kernel/tcp_rack.ko': Shared library architecture i386:x86-64 is not
compatible with target architecture aarch64.
=E2=80=A6
Reading symbols from
/usr/obj/usr/src/arm64.aarch64/kernelstage/kernel/boot/kernel/nullfs.ko...
(No debugging symbols found in
/usr/obj/usr/src/arm64.aarch64/kernelstage/kernel/boot/kernel/nullfs.ko)
(kgdb)
(kgdb) source /usr/src/tools/tools/kgdb/tcplog.py
(kgdb) tcplog_dump (struct tcpcb *)0xffffa80d22259540
processing struct tcpcb *       0xffffa80d22259540
        _t_logstate:    1 _t_logpoint:  0 '\000' t_lognum:      1727 t_logs=
n:=20=20
1727
        log written to 0xffffa80d22259540_tcp_log.bin
(kgdb)

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