amd64 boot crash for lack of being set up to use of rtw89; linuxkpi calls on the stack, 0xdeadc0dedeadc13e and such involved, devfs_ioctl with dsw=0xdeadc0dedeadc0de

Mark Millard <[email protected]> Fri, 24 Jul 2026 20:57:12 -0700
Newsgroups gmane.os.freebsd.current
Message-ID <[email protected]>
The system was just upgraded its official, upstream pkgbase system --but
only the kernels so far:

FreeBSD 16.0-CURRENT main-n287650-a594783bac90 GENERIC

(Older, then-good kernels still present for selection.)

The system has the rtw89 hardware but I do not have FreeBSD set up to
use it, never have as far as I can remember. No firmware:

# fwget -n
Needed firmware packages: 'wifi-firmware-rtw89-kmod-rtw8852b
gpu-firmware-amd-kmod-dcn-3-1-5 gpu-firmware-amd-kmod-gc-10-3-6
gpu-firmware-amd-kmod-psp-13-0-5 gpu-firmware-amd-kmod-sdma-5-2-6
gpu-firmware-amd-kmod-vcn-3-1-2'

(So, no gpu firmware setup for use either.)

Note: I do not want any of this firmware installed or to be in use at
this time. This is the first time I've ever had the lack be a problem.


I replicated the original non-debug kernel crash with the debug kernel.
I present the debug kernel crash context below.

__curthread () at
/home/pkgbuild/worktrees/main/sys/amd64/include/pcpu_aux.h:57
57              __asm("movq %%gs:%c1,%0" : "=r" (td)
(kgdb) #0  __curthread ()
    at /home/pkgbuild/worktrees/main/sys/amd64/include/pcpu_aux.h:57
        td = <optimized out>
#1  doadump (textdump=textdump@entry=0)
    at /home/pkgbuild/worktrees/main/sys/kern/kern_shutdown.c:399
        error = 0
        coredump = <optimized out>
#2  0xffffffff804c77da in db_dump (dummy=<optimized out>,
    dummy2=<optimized out>, dummy3=<optimized out>, dummy4=<optimized out>)
    at /home/pkgbuild/worktrees/main/sys/ddb/db_command.c:596
        error = <optimized out>
#3  0xffffffff804c768a in db_command (last_cmdp=<optimized out>,
    cmd_table=<optimized out>, dopager=true)
    at /home/pkgbuild/worktrees/main/sys/ddb/db_command.c:508
        modif = "\000Bځ\377\377\377\377\n", '\000' <repeats 15 times>,
"x\000\000\000\000\000\000\000\b\000\000\0000\000\000\000\340Rʥ\002\376\377\377`Rʥ\002\376\377\377\325M\221\352o\255\016\340
Sʥ\002\376\377\377D\236L\200\377\377\377\377\017", '\000' <repeats 15
times>,
"\020\220\275\201\377\377\377\377\000\000\000\000\000\000\000\000\200\347\340G\001\370\377\377"
        addr = -2134482909
        count = -1
        cmd = 0xffffffff81a16ff8 <db_cmds+616>
        have_addr = <optimized out>
        t = <optimized out>
        result = <optimized out>
#4  0xffffffff804c72ad in db_command_loop ()
    at /home/pkgbuild/worktrees/main/sys/ddb/db_command.c:555
No locals.
#5  0xffffffff804caee0 in db_trap (type=<optimized out>, code=<optimized
out>)
    at /home/pkgbuild/worktrees/main/sys/ddb/db_main.c:267
        jb = {{_jb = {0, -2187651820728, -2187651820576, -8790592133248,
              -2120123568, -2187651820704, -2187651820032, -2142458264,
              -2187651820608, -2136782033, -2116402656, 3}}}
        bkpt = false
        watchpt = false
        prev_jb = 0x0
        why = <optimized out>
#6  0xffffffff80c66b1f in kdb_trap (type=type@entry=3, code=code@entry=0,
    tf=tf@entry=0xfffffe02a5ca5600)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_kdb.c:790
        __pc = 0x0
        __pc = 0x0
        other_cpus = {__bits = {18446744071583168800, 18446741886057731728,
            4294967281, 5, 2781500784, 0, 3559026999177510912,
            18446744071575110192, 18446744071582124832,
18446744071582552188,
            0, 12, 18446741886057731456, 0, 18446741886057733952,
            37228538770456}}
        be = 0xffffffff81a17b50 <ddb_dbbe>
        intr = 70
        did_stop_cpus = <optimized out>
        handled = <optimized out>
#7  0xffffffff811a0335 in trap (frame=<optimized out>)
    at /home/pkgbuild/worktrees/main/sys/amd64/amd64/trap.c:702
        __pc = 0x0
        __pc = 0x0
        __pc = 0x0
        ksi = {ksi_link = {tqe_next = 0x1, tqe_prev = 0xfffff80107bda080},
          ksi_info = {si_signo = 5, si_errno = 0, si_code = -1, si_pid = 0,
            si_uid = 2781501008, si_status = -510,
            si_addr = 0xffffffff80c708ab <_vprintf+139>, si_value = {
              sival_int = 5, sival_ptr = 0xffffffff00000005, sigval_int
= 5,
              sigval_ptr = 0xffffffff00000005}, _reason = {_fault = {
                _trapno = 0}, _timer = {_timerid = 0, _overrun = 0},
_mesgq = {
                _mqd = 0}, _poll = {_band = 0}, _capsicum = {_syscall = 0},
              __spare__ = {__spare1__ = 0, __spare2__ = {-1513466448, -510,
                  128, 0, -1513466448, -510, 128}}}}, ksi_flags =
977421312,
          ksi_sigq = 0x696e6170203a7265}
        signo = 0
        ucode = 256
        td = <optimized out>
        p = 0xfffffe03662585a0
        dr6 = 0
        type = 3
        addr = <optimized out>
        pf = <optimized out>
        i = <optimized out>
#8  <signal handler called>
No locals.
#9  kdb_enter (why=<optimized out>, msg=<optimized out>)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_kdb.c:556
No locals.
#10 0xffffffff80c10dc9 in vpanic (fmt=<optimized out>,
    ap=ap@entry=0xfffffe02a5ca5830)
    at /home/pkgbuild/worktrees/main/sys/kern/kern_shutdown.c:962
        buf = "general protection fault", '\000' <repeats 231 times>
        __pc = 0x0
        __pc = 0x0
        __pc = 0x0
        other_cpus = {__bits = {4294959103, 0 <repeats 15 times>}}
        td = 0xfffff80147e0e780
        bootopt = <optimized out>
        newpanic = <optimized out>
#11 0xffffffff80c10c43 in panic (
    fmt=0xffffffff81da4260 <cnputs_mtx> "SE)\201\377\377\377\377")
    at /home/pkgbuild/worktrees/main/sys/kern/kern_shutdown.c:887
        ap = {{gp_offset = 16, fp_offset = 48,
            overflow_arg_area = 0xfffffe02a5ca5860,
            reg_save_area = 0xfffffe02a5ca5800}}
#12 0xffffffff811a065f in trap_fatal (frame=0xfffffe02a5ca5880,
    eva=<optimized out>)
    at /home/pkgbuild/worktrees/main/sys/amd64/amd64/trap.c:1031
        type = <optimized out>
#13 <signal handler called>
No locals.
#14 0xffffffff80ef16ff in atomic_fetchadd_int (p=0xdeadc0dedeadc13e,
    v=4294967295)
    at /home/pkgbuild/worktrees/main/sys/amd64/include/atomic.h:194
No locals.
#15 refcount_releasen (count=0xdeadc0dedeadc13e, n=1)
    at /home/pkgbuild/worktrees/main/sys/sys/refcount.h:149
        old = <optimized out>
#16 refcount_release (count=0xdeadc0dedeadc13e)
    at /home/pkgbuild/worktrees/main/sys/sys/refcount.h:171
No locals.
#17 kref_put (kref=0xdeadc0dedeadc13e, rel=<optimized out>)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/kref.h:72
No locals.
#18 kobject_put (kobj=0xdeadc0dedeadc12e)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/kobject.h:113
No locals.
#19 put_device (dev=0xdeadc0dedeadc0de)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/device.h:376
No locals.
#20 pci_dev_put (pdev=0xdeadc0dedeadc0de)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/pci.h:474
No locals.
#21 lkpi_pci_dev_release (dev=0xfffff8014e842a00)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/src/linux_pci.c:374
        pdev = 0xfffff8014e842a00
#22 0xffffffff80eed1c8 in linux_kobject_release (kref=<optimized out>)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/src/linux_kobject.c:186
        kobj = 0xfffff8014e842a50
        name = 0xfffff80107bcd670 "rtw890"
#23 0xffffffff80ef11ea in kref_put (kref=0xdeadc0dedeadc13e,
    rel=<optimized out>)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/kref.h:73
No locals.
#24 kobject_put (kobj=0xfffff8014e842a50)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/kobject.h:113
No locals.
#25 put_device (dev=0xfffff8014e842a00)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/include/linux/device.h:376
No locals.
#26 linux_pci_attach_device (dev=<optimized out>, pdrv=<optimized out>,
    id=<optimized out>, pdev=0xfffff8014e842a00)
    at
/home/pkgbuild/worktrees/main/sys/compat/linuxkpi/common/src/linux_pci.c:744
        rid = 2304
        parent = <optimized out>
        isdrm = <optimized out>
        error = <optimized out>
        rle = <optimized out>
        pbus = <optimized out>
        ppbus = <optimized out>
#27 0xffffffff80c536c6 in DEVICE_ATTACH (dev=0xfffff8010799a800)
    at ./device_if.h:195
        _m = <optimized out>
        rc = <optimized out>
#28 device_attach (dev=0xfffff8010799a800)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_bus.c:2630
        attachentropy = 32965
        saved_vnet = 0x0
        attachtime = 1943114510
        error = <optimized out>
#29 0xffffffff80c53255 in device_probe_and_attach (dev=0xfffff8014e842a00,
    dev@entry=0xfffff8010799a800)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_bus.c:2579
        error = -559038242
#30 0xffffffff80892e32 in pci_driver_added (dev=0xfffff8010799a900,
    driver=<optimized out>)
    at /home/pkgbuild/worktrees/main/sys/dev/pci/pci.c:4829
        numdevs = 1
        devlist = 0xfffff80107be23f0
        i = 0
        child = 0xfffff8010799a800
        dinfo = 0xfffff8010f64b400
#31 0xffffffff80c50b19 in BUS_DRIVER_ADDED (_dev=0xfffff8010799a900,
    _driver=0xffffffff83b007b0 <_pci_rtw89_8851be_id_table_driver>)
    at ./bus_if.h:217
        _m = <optimized out>
#32 devclass_driver_added (dc=dc@entry=0xfffff8010198d500,
    driver=0xffffffff83b007b0 <_pci_rtw89_8851be_id_table_driver>)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_bus.c:670
        i = 9
        parent = <optimized out>
#33 0xffffffff80c59cab in device_do_deferred_actions ()
    at /home/pkgbuild/worktrees/main/sys/kern/subr_bus.c:5715
        dc = <optimized out>
        dl = <optimized out>
#34 0xffffffff80c595f6 in devctl2_ioctl (cdev=<optimized out>,
cmd=2157462540,
    data=0xfffff8014e1ff600 "", fflag=<optimized out>,
td=0xfffff80147e0e780)
    at /home/pkgbuild/worktrees/main/sys/kern/subr_bus.c:6013
        dev = 0x2
        error = -559038242
        old = <optimized out>
        req = <optimized out>
#35 0xffffffff80a7ac9c in devfs_ioctl (ap=0xfffffe02a5ca5c40)
    at /home/pkgbuild/worktrees/main/sys/fs/devfs/devfs_vnops.c:964
        dev = 0xfffff801072a0800
        ref = 0
        vp = 0xfffff8010f5ca370
        com = 2157462540
        td = 0xfffff80147e0e780
        dsw = 0xdeadc0dedeadc0de
        error = <optimized out>
        fgn = <optimized out>
        p = <optimized out>
        i = <optimized out>
        sess = <optimized out>
        vpold = <optimized out>
#36 0xffffffff81278951 in VOP_IOCTL_APV (
    vop=0xffffffff81aabfe0 <devfs_specops>, a=a@entry=0xfffffe02a5ca5c40)
    at vnode_if.c:1148
        rc = <optimized out>
#37 0xffffffff80d3ea0f in VOP_IOCTL (vp=<optimized out>,
    command=<optimized out>, data=<optimized out>, fflag=<optimized out>,
    cred=<optimized out>, td=<optimized out>) at ./vnode_if.h:751
        a = <optimized out>
#38 0xffffffff80d3ea0f in vn_ioctl (fp=<optimized out>, com=<optimized
out>,
    data=0xffffffff813c71e5, active_cred=0xffffffff,
    td=0xffffffff81ad7430 <lock_class_rm_sleepable>)
        size = -2118694744
        vp = 0xfffff8010f5ca370
        error = <optimized out>
        bmarg = <optimized out>
#39 0xffffffff80a7b3be in devfs_ioctl_f (fp=0xfffff8014e842a00,
    com=16045693110842147134, data=0xffffffff813c71e5, cred=0xffffffff,
    td=0xffffffff81ad7430 <lock_class_rm_sleepable>)
    at /home/pkgbuild/worktrees/main/sys/fs/devfs/devfs_vnops.c:895
        fpop = 0x0
        error = <optimized out>
#40 0xffffffff80c95dbd in fo_ioctl (fp=0xfffff801570796e0, com=2157462540,
    data=0xfffff8014e1ff600, active_cred=0xffffffff, td=0xfffff80147e0e780)
    at /home/pkgbuild/worktrees/main/sys/sys/file.h:391
No locals.
#41 kern_ioctl (td=td@entry=0xfffff80147e0e780, fd=<optimized out>,
    com=com@entry=2157462540, data=data@entry=0xfffff8014e1ff600 "")
    at /home/pkgbuild/worktrees/main/sys/kern/sys_generic.c:834
        tmp = -1
        fdp = 0xfffffe036ca7d4f0
        locked = 0
        fp = 0xfffff801570796e0
        error = <optimized out>
        f_flag = 0
#42 0xffffffff80c95a9f in sys_ioctl (td=0xfffff80147e0e780,
    uap=0xfffff80147e0eba8)
    at /home/pkgbuild/worktrees/main/sys/kern/sys_generic.c:739
        smalldata = "\330\020\345\201\377\377\377\377\002", '\000'
<repeats 15 times>, "\005\274\262\a\001\370\377\377\a", '\000' <repeats
15 times>,
"\325M\221\352o\255\016\340\200\347\340G\001\370\377\377\000\000\000\000\000\000\000\000\240\205%f\003\376\377\377\240\205%f\003\376\377\377\220E\254\201\377\377\377\377\360]ʥ\002\376\377\377\271+Ȁ\377\377\377\377\001\000\000\000\000\000\000\000\220E\254\201\377\377\377\377"
        arg = -2115694376
        com = 2157462540
        size = 152
        data = 0xfffff8014e1ff600 ""
        error = <optimized out>
#43 0xffffffff811a13ec in syscallenter (td=0xfffff80147e0e780)
    at
/home/pkgbuild/worktrees/main/sys/amd64/amd64/../../kern/subr_syscall.c:193
        se = 0xffffffff81ac0df0 <sysent+1728>
        p = 0xfffffe03662585a0
        sa = 0xfffff80147e0eb98
        error = <optimized out>
        sy_thr_static = <optimized out>
        traced = <optimized out>
#44 amd64_syscall (td=0xfffff80147e0e780, traced=0)
    at /home/pkgbuild/worktrees/main/sys/amd64/amd64/trap.c:1278
        ksi = {ksi_link = {tqe_next = 0xfffffe02a5ca5e70,
            tqe_prev = 0xffffffff80c82bb9 <userret+121>}, ksi_info = {
            si_signo = 704896936, si_errno = -2047, si_code = 1, si_pid
= 0,
            si_uid = 3935391189, si_status = -535909009,
            si_addr = 0xfffff80147e0e780, si_value = {sival_int =
-195032965,
              sival_ptr = 0x21dbf460087b, sigval_int = -195032965,
              sigval_ptr = 0x21dbf460087b}, _reason = {_fault = {
                _trapno = -359576107}, _timer = {_timerid = -359576107,
                _overrun = -535909009}, _mesgq = {_mqd = -359576107},
_poll = {
                _band = -2301711663351378475}, _capsicum = {
                _syscall = -359576107}, __spare__ = {
                __spare1__ = -2301711663351378475, __spare2__ =
{1205921664,
                  -2047, 12, 0, -1513464016, -510, -2129001875}}}},
          ksi_flags = -2115694376, ksi_sigq = 0x2}
#45 <signal handler called>
No locals.
#46 0x000021dbf36b348a in ?? ()


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