root@FreeBSD_dev_ghuckriede:/usr/ports/devel/kdbg # kgdb /boot/kernel/kernel /var/crash/vmcore.0 GNU gdb (GDB) 8.3.1 [GDB v8.3.1 for FreeBSD] Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd12.1". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: trap number = 12 panic: page fault cpuid = 1 time = 1578508641 KDB: stack backtrace: #0 0xffffffff80c15957 at kdb_backtrace+0x67 #1 0xffffffff80bc8c8d at vpanic+0x19d #2 0xffffffff80bc8ae3 at panic+0x43 #3 0xffffffff810a0d2c at trap_fatal+0x39c #4 0xffffffff810a0d79 at trap_pfault+0x49 #5 0xffffffff810a036f at trap+0x29f #6 0xffffffff8107a0cc at calltrap+0x8 #7 0xffffffff806ddd83 at rgephy_service+0x3e3 #8 0xffffffff806d99dd at mii_pollstat+0x4d #9 0xffffffff82829322 at re_ifmedia_sts+0x42 #10 0xffffffff80cd5caa at ifmedia_ioctl+0x16a #11 0xffffffff80cc9171 at ifhwioctl+0x301 #12 0xffffffff80ccb00d at ifioctl+0x49d #13 0xffffffff80c33c1e at kern_ioctl+0x2be #14 0xffffffff80c338ed at sys_ioctl+0x15d #15 0xffffffff810a18e4 at amd64_syscall+0x364 #16 0xffffffff8107a9f0 at fast_syscall_common+0x101 Uptime: 11m7s Dumping 678 out of 12039 MB:..3%..12%..22%..31%..41%..52%..62%..71%..81%..92% __curthread () at /usr/src/sys/amd64/include/pcpu.h:234 234 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (OFFSETOF_CURTHREAD)); (kgdb) (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu.h:234 #1 doadump (textdump=) at /usr/src/sys/kern/kern_shutdown.c:371 #2 0xffffffff80bc8888 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:451 #3 0xffffffff80bc8ce9 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:877 #4 0xffffffff80bc8ae3 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:804 #5 0xffffffff810a0d2c in trap_fatal (frame=0xfffffe006bf394f0, eva=0) at /usr/src/sys/amd64/amd64/trap.c:943 #6 0xffffffff810a0d79 in trap_pfault (frame=0xfffffe006bf394f0, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:767 #7 0xffffffff810a036f in trap (frame=0xfffffe006bf394f0) at /usr/src/sys/amd64/amd64/trap.c:443 #8 #9 MIIBUS_READREG (dev=0x0, phy=1, reg=) at ./miibus_if.h:26 #10 rgephy_status (sc=0xfffff8000367ac00) at /usr/src/sys/dev/mii/rgephy.c:325 #11 0xffffffff806ddd83 in rgephy_service (sc=0xfffff8000367ac00, mii=0xfffff80007081000, cmd=-512) at /usr/src/sys/dev/mii/rgephy.c:265 #12 0xffffffff806d99dd in mii_pollstat (mii=0xfffff800c8a31800) at /usr/src/sys/dev/mii/mii.c:613 #13 0xffffffff82829322 in re_ifmedia_sts () from /usr/obj/usr/src/amd64.amd64/sys/modules/re/if_re.ko #14 0xffffffff80cd5caa in ifmedia_ioctl (ifp=0x14, ifr=0xfffffe006bf398c0, ifm=0xfffffe006bf398c0, cmd=) at /usr/src/sys/net/if_media.c:312 #15 0xffffffff80cc9171 in ifhwioctl (cmd=3224398136, ifp=0xfffff80007054800, data=0xfffffe006bf398c0 "re0", td=0xfffff8000fd4d000) at /usr/src/sys/net/if.c:2929 #16 0xffffffff80ccb00d in ifioctl (so=0xfffff800c84436d0, cmd=3224398136, data=0xfffffe006bf398c0 "re0", td=0xfffff8000fd4d000) at /usr/src/sys/net/if.c:3134 #17 0xffffffff80c33c1e in fo_ioctl (fp=, com=, data=0x229f45bf016, active_cred=0x229f45bf002, td=) at /usr/src/sys/sys/file.h:337 #18 kern_ioctl (td=0xfffff8000fd4d000, fd=, com=3224398136, data=0x229f45bf016 ) at /usr/src/sys/kern/sys_generic.c:804 #19 0xffffffff80c338ed in sys_ioctl (td=0xfffff8000fd4d000, uap=0xfffff8000fd4d3c0) at /usr/src/sys/kern/sys_generic.c:712 #20 0xffffffff810a18e4 in syscallenter (td=0xfffff8000fd4d000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135 #21 amd64_syscall (td=0xfffff8000fd4d000, traced=0) at /usr/src/sys/amd64/amd64/trap.c:1186 #22 #23 0x000000080046fe9a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe258 (kgdb) frame 9 #9 MIIBUS_READREG (dev=0x0, phy=1, reg=) at ./miibus_if.h:26 26 KOBJOPLOOKUP(((kobj_t)dev)->ops,miibus_readreg); (kgdb) (kgdb) thr 1 [Switching to thread 1 (Thread 100181)] #0 0xffffffff8121831f in cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1395 1395 savectx(&stoppcbs[cpu]); (kgdb) bt #0 0xffffffff8121831f in cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1395 #1 0xffffffff812182e0 in ipi_nmi_handler () at /usr/src/sys/x86/x86/mp_x86.c:1356 #2 0xffffffff810a0118 in trap (frame=0xfffffe000325df30) at /usr/src/sys/amd64/amd64/trap.c:210 #3 #4 0xffffffff80c16dc0 in ia32_pause () at /usr/src/sys/amd64/include/cpufunc.h:348 #5 lock_delay (la=0xfffffe006bebe458) at /usr/src/sys/kern/subr_lock.c:134 #6 0xffffffff80ba8b81 in _mtx_lock_spin_cookie (c=0xffffffff81e8ce50 , v=18446735277882134528) at /usr/src/sys/kern/kern_mutex.c:746 #7 0xffffffff80b67444 in cnputs (p=0xfffffe006bebe6a0 "detached\n") at /usr/src/sys/kern/kern_cons.c:538 #8 0xffffffff80c1bbfd in prf_putbuf (bufr=0xfffffe006bebe6a0 "detached\n", flags=5, pri=) at /usr/src/sys/kern/subr_prf.c:450 #9 putbuf (c=, ap=) at /usr/src/sys/kern/subr_prf.c:475 #10 putchar (c=, arg=0xfffffe006bebe670) at /usr/src/sys/kern/subr_prf.c:518 #11 0xffffffff80c1a835 in kvprintf (fmt=0xffffffff812f771d "", func=0xffffffff80c1bab0 , arg=0xfffffe006bebe670, radix=10, ap=0xfffffe006bebe770) at /usr/src/sys/kern/subr_prf.c:693 #12 0xffffffff80c1c3d1 in _vprintf (level=-1, flags=5, fmt=0xfffffe006bebe458 "\f\020\240\201\377\377\377\377", ap=0x1) at /usr/src/sys/kern/subr_prf.c:306 #13 vprintf (fmt=0xfffffe006bebe458 "\f\020\240\201\377\377\377\377", ap=0x1) at /usr/src/sys/kern/subr_prf.c:429 #14 0xffffffff80c03c82 in device_printf (dev=, fmt=0xffffffff812f7714 "detached\n") at /usr/src/sys/kern/subr_bus.c:2439 #15 0xffffffff80c03219 in device_detach (dev=0xfffff80003864b00) at /usr/src/sys/kern/subr_bus.c:3015 #16 0xffffffff80c0253f in devclass_driver_deleted (busclass=0xfffff80007c6d300, dc=0xfffff8000367d700, driver=0xffffffff81a7f480 ) at /usr/src/sys/kern/subr_bus.c:1227 #17 0xffffffff80c0247d in devclass_delete_driver (busclass=0xfffff80007c6d300, driver=0xffffffff81a7f480 ) at /usr/src/sys/kern/subr_bus.c:1302 #18 0xffffffff80c0854f in driver_module_handler (mod=0xfffff800c8600100, what=1, arg=0xffffffff8282ccb0 ) at /usr/src/sys/kern/subr_bus.c:5172 #19 0xffffffff80ba7b2f in module_unload (mod=0xfffff800c8600100) at /usr/src/sys/kern/kern_module.c:261 #20 0xffffffff80b9a491 in linker_file_unload (file=0xfffff800041d6800, flags=0) at /usr/src/sys/kern/kern_linker.c:697 #21 0xffffffff80b9b780 in kern_kldunload (td=, fileid=, flags=0) at /usr/src/sys/kern/kern_linker.c:1132 #22 0xffffffff810a18e4 in syscallenter (td=0xfffff8000411d5e0) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135 #23 amd64_syscall (td=0xfffff8000411d5e0, traced=0) at /usr/src/sys/amd64/amd64/trap.c:1186 #24 #25 0x00000008002d85fa in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe228 (kgdb) (kgdb) frame 15 #15 0xffffffff80c03219 in device_detach (dev=0xfffff80003864b00) at /usr/src/sys/kern/subr_bus.c:3015 3015 device_printf(dev, "detached\n"); (kgdb) (kgdb) print *dev $2 = {ops = 0xfffff800035e1000, link = {tqe_next = 0x0, tqe_prev = 0xfffff800037a1b30}, devlink = {tqe_next = 0xfffff800c88bf200, tqe_prev = 0xfffff80003863618}, parent = 0xfffff800037a1b00, children = {tqh_first = 0xfffff800c88bf200, tqh_last = 0xfffff800c88bf208}, driver = 0xffffffff81a7f480 , devclass = 0xfffff8000367d700, unit = 0, nameunit = 0xfffff80003accd60 "miibus0", desc = 0xffffffff812fcf10 "MII bus", busy = 0, state = DS_ATTACHED, devflags = 0, flags = 1031, order = 0, ivars = 0xfffff800048a7dc0, softc = 0xfffff800c8a31800, sysctl_ctx = {tqh_first = 0xfffff8000387ef40, tqh_last = 0xfffff800070d8508}, sysctl_tree = 0xfffff8000fb3ed80} (kgdb) root@FreeBSD_head_ghuckriede:/usr/home/ghuckriede # kgdb /boot/kernel/kernel /var/crash/vmcore.0 GNU gdb (GDB) 8.3.1 [GDB v8.3.1 for FreeBSD] Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd13.0". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: re0: port 0xe000-0xe0ff mem 0xf0404000-0xf0404fff,0xf0400000-0xf0403fff irq 17 at device 0.0 on pci3 re0: Using 1 MSI-X message re0: Chip rev. 0x2c800000 re0: MAC rev. 0x00100000 <6>re0: Using defaults for TSO: 65518/35/2048 <6>re0: Ethernet address: 00:13:3b:11:5e:b4 miibus0: on re0 rgephy0: PHY 1 on miibus0 rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex re0 (network driver) r = 0 (0xfffffe0087c04218) locked @ /usr/src/sys/dev/re/if_re.c:3394 stack backtrace: #0 0xffffffff80c2e4a1 at witness_debugger+0x71 #1 0xffffffff80c2f4c0 at witness_warn+0x430 #2 0xffffffff81064e80 at trap_pfault+0x80 #3 0xffffffff810644a0 at trap+0x2c0 #4 0xffffffff8103b42c at calltrap+0x8 #5 0xffffffff8232b3d2 at re_ifmedia_sts+0x42 #6 0xffffffff80cda98a at ifmedia_ioctl+0x16a #7 0xffffffff80ccec5b at ifhwioctl+0x2cb #8 0xffffffff80cd08aa at ifioctl+0x3ba #9 0xffffffff80c33425 at kern_ioctl+0x295 #10 0xffffffff80c3311c at sys_ioctl+0x15c #11 0xffffffff81065986 at amd64_syscall+0x2d6 #12 0xffffffff8103bd60 at fast_syscall_common+0x101 Fatal trap 12: page fault while in kernel mode cpuid = 6; apic id = 06 fault virtual address = 0x10 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff807021c9 stack pointer = 0x28:0xfffffe00871667b0 frame pointer = 0x28:0xfffffe00871667d0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 2662 (ifconfig) trap number = 12 panic: page fault cpuid = 6 time = 1578603158 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0087166410 vpanic() at vpanic+0x17e/frame 0xfffffe0087166470 panic() at panic+0x43/frame 0xfffffe00871664d0 trap_fatal() at trap_fatal+0x386/frame 0xfffffe0087166530 trap_pfault() at trap_pfault+0x99/frame 0xfffffe00871665b0 trap() at trap+0x2c0/frame 0xfffffe00871666e0 calltrap() at calltrap+0x8/frame 0xfffffe00871666e0 --- trap 0xc, rip = 0xffffffff807021c9, rsp = 0xfffffe00871667b0, rbp = 0xfffffe00871667d0 --- mii_pollstat() at mii_pollstat+0x39/frame 0xfffffe00871667d0 re_ifmedia_sts() at re_ifmedia_sts+0x42/frame 0xfffffe0087166800 ifmedia_ioctl() at ifmedia_ioctl+0x16a/frame 0xfffffe0087166840 ifhwioctl() at ifhwioctl+0x2cb/frame 0xfffffe00871668c0 ifioctl() at ifioctl+0x3ba/frame 0xfffffe0087166990 kern_ioctl() at kern_ioctl+0x295/frame 0xfffffe00871669f0 sys_ioctl() at sys_ioctl+0x15c/frame 0xfffffe0087166ac0 amd64_syscall() at amd64_syscall+0x2d6/frame 0xfffffe0087166bf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0087166bf0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800483faa, rsp = 0x7fffffffe1a8, rbp = 0x7fffffffe270 --- KDB: enter: panic Uptime: 2m51s Dumping 601 out of 12044 MB:..3%..11%..22%..32%..43%..51%..62%..72%..83%..91% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=1) at /usr/src/sys/kern/kern_shutdown.c:392 #2 0xffffffff80bc2e70 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:479 #3 0xffffffff80bc32c6 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:908 #4 0xffffffff80bc3023 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:835 #5 0xffffffff81064df6 in trap_fatal (frame=0xfffffe00871666f0, eva=16) at /usr/src/sys/amd64/amd64/trap.c:926 #6 0xffffffff81064e99 in trap_pfault (frame=, usermode=, signo=, ucode=0x0) at /usr/src/sys/amd64/amd64/trap.c:743 #7 0xffffffff810644a0 in trap (frame=0xfffffe00871666f0) at /usr/src/sys/amd64/amd64/trap.c:407 #8 #9 mii_pollstat (mii=0xfffff80014e36d80) at /usr/src/sys/dev/mii/mii.c:625 #10 0xffffffff8232b3d2 in re_ifmedia_sts () from /usr/obj/usr/src/amd64.amd64/sys/modules/re/if_re.ko #11 0xffffffff80cda98a in ifmedia_ioctl (ifp=0xfffff80014e36d80, ifr=0xfffffe0087166a10, ifm=0xfffffe0087166a10, cmd=) at /usr/src/sys/net/if_media.c:312 #12 0xffffffff80ccec5b in ifhwioctl (cmd=3224398136, ifp=0xfffff8006dab0800, data=0xfffffe0087166a10 "re0", td=0xfffff8006d70d000) at /usr/src/sys/net/if.c:2843 #13 0xffffffff80cd08aa in ifioctl (so=0xfffff8001666b388, cmd=3224398136, data=0xfffffe0087166a10 "re0", td=0xfffff8006d70d000) at /usr/src/sys/net/if.c:3044 #14 0xffffffff80c33425 in fo_ioctl (fp=, com=3224398136, data=0xffffffff81cf5b60 , active_cred=0x10000, td=0xfffff8006d70d000) at /usr/src/sys/sys/file.h:342 #15 kern_ioctl (td=, fd=, com=, data=0xffffffff81cf5b60 "") at /usr/src/sys/kern/sys_generic.c:801 #16 0xffffffff80c3311c in sys_ioctl (td=0xfffff8006d70d000, uap=0xfffff8006d70d3c8) at /usr/src/sys/kern/sys_generic.c:709 #17 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #18 amd64_syscall (td=0xfffff8006d70d000, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #19 #20 0x0000000800483faa in ?? () --Type for more, q to quit, c to continue without paging-- Backtrace stopped: Cannot access memory at address 0x7fffffffe1a8 (kgdb) th 2 Ambiguous command "th 2": thbreak, thread. (kgdb) thr 2 [Switching to thread 2 (Thread 100146)] #0 sched_switch (td=0xfffff80016204000, flags=) at /usr/src/sys/kern/sched_ule.c:2148 2148 cpuid = td->td_oncpu = PCPU_GET(cpuid); (kgdb) bt #0 sched_switch (td=0xfffff80016204000, flags=) at /usr/src/sys/kern/sched_ule.c:2148 #1 0xffffffff80bcee25 in mi_switch (flags=260) at /usr/src/sys/kern/kern_synch.c:525 #2 0xffffffff80c1c71a in sleepq_switch (wchan=0xfffff8001626abe0, pri=92) at /usr/src/sys/kern/subr_sleepqueue.c:623 #3 0xffffffff80c1cc92 in sleepq_catch_signals (wchan=0xfffff8001626abe0, pri=92) at /usr/src/sys/kern/subr_sleepqueue.c:537 #4 0xffffffff80c1c869 in sleepq_wait_sig (wchan=, pri=) at /usr/src/sys/kern/subr_sleepqueue.c:686 #5 0xffffffff80bce4e3 in _sleep (ident=0xfffff8001626abe0, lock=, priority=, wmesg=0xffffffff811f5c9e "piperd", sbt=0, pr=0, flags=256) at /usr/src/sys/kern/kern_synch.c:218 #6 0xffffffff80c35af8 in pipe_read (fp=0xfffff8001600a280, uio=0xfffffe00870b6a80, active_cred=, flags=, td=) at /usr/src/sys/kern/sys_pipe.c:766 #7 0xffffffff80c32761 in fo_read (fp=0xfffff8001600a280, uio=0xfffffe00870b6a80, active_cred=, flags=, td=0xfffff80016204000) at /usr/src/sys/sys/file.h:318 #8 dofileread (td=0xfffff80016204000, fd=0, fp=0xfffff8001600a280, auio=0xfffffe00870b6a80, offset=, flags=) at /usr/src/sys/kern/sys_generic.c:368 #9 0xffffffff80c323a9 in kern_readv (td=0xfffff80016204000, fd=0, auio=0xfffffe00870b6a80) at /usr/src/sys/kern/sys_generic.c:289 #10 0xffffffff80c32353 in sys_read (td=, uap=) at /usr/src/sys/kern/sys_generic.c:205 #11 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #12 amd64_syscall (td=0xfffff80016204000, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #13 #14 0x0000000800444f0a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe8e8 (kgdb) thr 3 [Switching to thread 3 (Thread 100203)] #0 cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1434 1434 use_mwait = (stop_mwait && (cpu_feature2 & CPUID2_MON) != 0 && (kgdb) bt #0 cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1434 #1 0xffffffff8102e68d in ipi_nmi_handler () at /usr/src/sys/x86/x86/mp_x86.c:1391 #2 0xffffffff81064241 in trap (frame=0xfffffe0018dddf30) at /usr/src/sys/amd64/amd64/trap.c:203 #3 #4 ia32_pause () at /usr/src/sys/amd64/include/cpufunc.h:348 #5 lock_delay (la=0xfffffe00871eb718) at /usr/src/sys/kern/subr_lock.c:133 #6 0xffffffff80ba14b8 in __mtx_lock_sleep (c=0xffffffff81802498 , v=, opts=, file=, line=) at /usr/src/sys/kern/kern_mutex.c:598 #7 0xffffffff80ba133a in __mtx_lock_flags (c=0xffffffff81802498 , opts=0, file=0xffffffff811373ba "/usr/src/sys/kern/kern_sysctl.c", line=174) at /usr/src/sys/kern/kern_mutex.c:278 #8 0xffffffff80bd296c in sysctl_root_handler_locked ( oid=0xffffffff81904e10 , arg1=0xffffffff81904f20 , arg2=1024, req=0xfffffe00871eb8a0, tracker=0xfffffe00871eb810) at /usr/src/sys/kern/kern_sysctl.c:174 #9 0xffffffff80bd1d2a in sysctl_root (oidp=, arg1=0xffffffff81904f20 , arg2=1024, req=0xfffffe00871eb8a0) at /usr/src/sys/kern/kern_sysctl.c:2128 #10 0xffffffff80bd23db in userland_sysctl (td=, name=0xfffffe00871eb960, namelen=2, old=, oldlenp=, inkernel=, new=0x0, newlen=0, retval=0xfffffe00871ebab0, flags=0) at /usr/src/sys/kern/kern_sysctl.c:2285 #11 0xffffffff80bd2779 in kern___sysctlbyname (td=0xfffff8006db496e0, oname=, namelen=16, old=0x0, oldlenp=0x7fffffffe800, new=0x0, newlen=0, retval=0xfffffe00871ebab0, flags=0, inkernel=) at /usr/src/sys/kern/kern_sysctl.c:2198 #12 0xffffffff80bd27cd in sys___sysctlbyname (td=0xfffffe00871eb718, uap=0xfffff8006db49aa8) at /usr/src/sys/kern/kern_sysctl.c:2223 #13 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #14 amd64_syscall (td=0xfffff8006db496e0, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #15 #16 0x00000008003ab3ca in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe7e8 (kgdb) thr 4 [Switching to thread 4 (Thread 100167)] #0 sched_switch (td=0xfffff8006d36c6e0, flags=) at /usr/src/sys/kern/sched_ule.c:2148 2148 cpuid = td->td_oncpu = PCPU_GET(cpuid); (kgdb) bt #0 sched_switch (td=0xfffff8006d36c6e0, flags=) at /usr/src/sys/kern/sched_ule.c:2148 #1 0xffffffff80bcee25 in mi_switch (flags=260) at /usr/src/sys/kern/kern_synch.c:525 #2 0xffffffff80c1c71a in sleepq_switch (wchan=0xfffff80014fcf000, pri=108) at /usr/src/sys/kern/subr_sleepqueue.c:623 #3 0xffffffff80c1cc92 in sleepq_catch_signals (wchan=0xfffff80014fcf000, pri=108) at /usr/src/sys/kern/subr_sleepqueue.c:537 #4 0xffffffff80c1c869 in sleepq_wait_sig (wchan=, pri=) at /usr/src/sys/kern/subr_sleepqueue.c:686 #5 0xffffffff80bce4e3 in _sleep (ident=0xfffff80014fcf000, lock=, priority=, wmesg=0xffffffff81214bdb "wait", sbt=0, pr=0, flags=256) at /usr/src/sys/kern/kern_synch.c:218 #6 0xffffffff80b7c1a2 in kern_wait6 (td=, idtype=P_ALL, id=0, status=, options=48, wrusage=0x0, siginfo=0x0) at /usr/src/sys/kern/kern_exit.c:1350 #7 0xffffffff80b7bac8 in kern_wait (td=, pid=, status=, options=, rusage=0x0) at /usr/src/sys/kern/kern_exit.c:1171 #8 sys_wait4 (td=0xfffff8006d36c6e0, uap=0xfffff8006d36caa8) at /usr/src/sys/kern/kern_exit.c:796 #9 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #10 amd64_syscall (td=0xfffff8006d36c6e0, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #11 #12 0x00000008004094ca in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffd928 (kgdb) thr 5 [Switching to thread 5 (Thread 100200)] #0 cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1434 1434 use_mwait = (stop_mwait && (cpu_feature2 & CPUID2_MON) != 0 && (kgdb) bt #0 cpustop_handler () at /usr/src/sys/x86/x86/mp_x86.c:1434 #1 0xffffffff8102e68d in ipi_nmi_handler () at /usr/src/sys/x86/x86/mp_x86.c:1391 #2 0xffffffff81064241 in trap (frame=0xfffffe0018db9f30) at /usr/src/sys/amd64/amd64/trap.c:203 #3 #4 rdtsc () at /usr/src/sys/amd64/include/cpufunc.h:393 #5 delay_tsc (n=25) at /usr/src/sys/x86/x86/delay.c:68 #6 delay_tc (n=25) at /usr/src/sys/x86/x86/delay.c:88 #7 DELAY (n=25) at /usr/src/sys/x86/x86/delay.c:117 #8 0xffffffff8232a683 in re_miibus_readreg () from /usr/obj/usr/src/amd64.amd64/sys/modules/re/if_re.ko #9 0xffffffff80703655 in MIIBUS_READREG (dev=0xfffffe0087c00000, phy=1, reg=) at ./miibus_if.h:27 #10 mii_phy_reset (sc=0x40000004) at /usr/src/sys/dev/mii/mii_physubr.c:359 #11 0xffffffff80706f63 in rgephy_reset (sc=0xfffff80014e36e00) at /usr/src/sys/dev/mii/rgephy.c:557 #12 0xffffffff80706209 in rgephy_attach (dev=0xfffff80003530c00) at /usr/src/sys/dev/mii/rgephy.c:146 #13 0xffffffff80bfb8ca in DEVICE_ATTACH (dev=0xfffff80003530c00) at ./device_if.h:195 #14 device_attach (dev=0xfffff80003530c00) at /usr/src/sys/kern/subr_bus.c:2979 #15 0xffffffff80bfb470 in device_probe_and_attach (dev=0xfffff80003530c00) at /usr/src/sys/kern/subr_bus.c:2936 #16 0xffffffff80bfcaf8 in bus_generic_attach (dev=) at /usr/src/sys/kern/subr_bus.c:3749 #17 0xffffffff807023ee in miibus_attach (dev=0xfffff80003c3d700) at /usr/src/sys/dev/mii/mii.c:158 #18 0xffffffff80bfb8ca in DEVICE_ATTACH (dev=0xfffff80003c3d700) at ./device_if.h:195 #19 device_attach (dev=0xfffff80003c3d700) at /usr/src/sys/kern/subr_bus.c:2979 #20 0xffffffff80bfb470 in device_probe_and_attach (dev=0xfffff80003c3d700) at /usr/src/sys/kern/subr_bus.c:2936 #21 0xffffffff80bfd388 in bus_generic_driver_added (dev=0xfffff80003d03400, driver=) at /usr/src/sys/kern/subr_bus.c:4126 #22 0xffffffff80bf9209 in BUS_DRIVER_ADDED (_dev=, _driver=0xffffffff8187fd40 ) at ./bus_if.h:210 #23 devclass_driver_added (dc=0xfffff80014c27500, driver=0xffffffff8187fd40 ) at /usr/src/sys/kern/subr_bus.c:1102 #24 0xffffffff80bf9175 in devclass_add_driver (dc=0xfffff80014c27500, driver=0xffffffff8187fd40 , pass=2147483647, dcp=0xffffffff81d8d4e0 ) --Type for more, q to quit, c to continue without paging-- at /usr/src/sys/kern/subr_bus.c:1178 #25 0xffffffff80b9fead in module_register_init (arg=0xffffffff82331238 ) at /usr/src/sys/kern/kern_module.c:123 #26 0xffffffff80b90a25 in linker_file_sysinit (lf=0xfffff800161b3400) at /usr/src/sys/kern/kern_linker.c:236 #27 linker_load_file (filename=, result=) at /usr/src/sys/kern/kern_linker.c:462 #28 linker_load_module (kldname=, modname=0x0, parent=0x0, verinfo=0x0, lfpp=) at /usr/src/sys/kern/kern_linker.c:2118 #29 0xffffffff80b921af in kern_kldload (td=, file=, fileid=0xfffffe00871dcaa4) at /usr/src/sys/kern/kern_linker.c:1093 #30 0xffffffff80b922db in sys_kldload (td=0xfffff8006d347000, uap=) at /usr/src/sys/kern/kern_linker.c:1119 #31 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #32 amd64_syscall (td=0xfffff8006d347000, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #33 #34 0x00000008002dae3a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe4c8 (kgdb) quit root@FreeBSD_head_ghuckriede:/usr/home/ghuckriede # kgdb /boot/kernel/kernel /var/crash/vmcore.2 GNU gdb (GDB) 8.3.1 [GDB v8.3.1 for FreeBSD] Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd13.0". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: Fatal trap 9: general protection fault while in kernel mode cpuid = 1; apic id = 01 instruction pointer = 0x20:0xffffffff807081f5 stack pointer = 0x28:0xfffffe0086e7c740 frame pointer = 0x28:0xfffffe0086e7c780 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 5896 (ifconfig) trap number = 9 panic: general protection fault cpuid = 1 time = 1578693127 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0086e7c420 vpanic() at vpanic+0x17e/frame 0xfffffe0086e7c480 panic() at panic+0x43/frame 0xfffffe0086e7c4e0 trap_fatal() at trap_fatal+0x386/frame 0xfffffe0086e7c540 trap() at trap+0x84/frame 0xfffffe0086e7c670 calltrap() at calltrap+0x8/frame 0xfffffe0086e7c670 --- trap 0x9, rip = 0xffffffff807081f5, rsp = 0xfffffe0086e7c740, rbp = 0xfffffe0086e7c780 --- rlphy_status() at rlphy_status+0x85/frame 0xfffffe0086e7c780 rlphy_service() at rlphy_service+0x24/frame 0xfffffe0086e7c7a0 mii_pollstat() at mii_pollstat+0x56/frame 0xfffffe0086e7c7d0 axe_ifmedia_sts() at axe_ifmedia_sts+0x41/frame 0xfffffe0086e7c800 ifmedia_ioctl() at ifmedia_ioctl+0x16a/frame 0xfffffe0086e7c840 ifhwioctl() at ifhwioctl+0x2cb/frame 0xfffffe0086e7c8c0 ifioctl() at ifioctl+0x3ba/frame 0xfffffe0086e7c990 kern_ioctl() at kern_ioctl+0x295/frame 0xfffffe0086e7c9f0 sys_ioctl() at sys_ioctl+0x15c/frame 0xfffffe0086e7cac0 amd64_syscall() at amd64_syscall+0x2d6/frame 0xfffffe0086e7cbf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0086e7cbf0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800483faa, rsp = 0x7fffffffe1a8, rbp = 0x7fffffffe270 --- KDB: enter: panic __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:392 #2 0xffffffff8049bbba in db_dump (dummy=, dummy2=, dummy3=, dummy4=) at /usr/src/sys/ddb/db_command.c:575 #3 0xffffffff8049b97c in db_command (last_cmdp=, cmd_table=, dopager=1) at /usr/src/sys/ddb/db_command.c:482 #4 0xffffffff8049b6ed in db_command_loop () at /usr/src/sys/ddb/db_command.c:535 #5 0xffffffff8049e918 in db_trap (type=, code=) at /usr/src/sys/ddb/db_main.c:252 #6 0xffffffff80c0d727 in kdb_trap (type=3, code=0, tf=) at /usr/src/sys/kern/subr_kdb.c:691 #7 0xffffffff810649b4 in trap (frame=0xfffffe0086e7c350) at /usr/src/sys/amd64/amd64/trap.c:585 #8 #9 kdb_enter (why=0xffffffff811f03a2 "panic", msg=) at /usr/src/sys/kern/subr_kdb.c:478 #10 0xffffffff80bc328a in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:897 #11 0xffffffff80bc3023 in panic (fmt=0xffffffff81c7af68 "\221O\033\201\377\377\377\377") at /usr/src/sys/kern/kern_shutdown.c:835 #12 0xffffffff81064df6 in trap_fatal (frame=0xfffffe0086e7c680, eva=0) at /usr/src/sys/amd64/amd64/trap.c:926 #13 0xffffffff81064264 in trap (frame=0xfffffe0086e7c680) at /usr/src/sys/amd64/amd64/trap.c:214 #14 #15 MIIBUS_READREG (dev=0xdeadc0dedeadc0de, phy=-559038242, reg=) at ./miibus_if.h:26 #16 rlphy_status (phy=0xfffff8001c37fe80) at /usr/src/sys/dev/mii/rlphy.c:174 #17 0xffffffff80708154 in rlphy_service (sc=0xfffff8001c37fe80, mii=, cmd=3) at /usr/src/sys/dev/mii/rlphy.c:157 #18 0xffffffff807021e6 in mii_pollstat (mii=0xfffff8001c37fe00) at /usr/src/sys/dev/mii/mii.c:627 #19 0xffffffff82321e41 in axe_ifmedia_sts (ifp=, ifmr=0xfffffe0086e7ca10) at /usr/src/sys/dev/usb/net/if_axe.c:478 #20 0xffffffff80cda98a in ifmedia_ioctl (ifp=0xfffff8001aebaaa0, ifr=0xfffffe0086e7ca10, ifm=0xfffff8001c37fe00, cmd=) at /usr/src/sys/net/if_media.c:312 --Type for more, q to quit, c to continue without paging-- #21 0xffffffff80ccec5b in ifhwioctl (cmd=3224398136, ifp=0xfffff8005b35c000, data=0xfffffe0086e7ca10 "ue0", td=0xfffff8005bb81000) at /usr/src/sys/net/if.c:2843 #22 0xffffffff80cd08aa in ifioctl (so=0xfffff8001c479000, cmd=3224398136, data=0xfffffe0086e7ca10 "ue0", td=0xfffff8005bb81000) at /usr/src/sys/net/if.c:3044 #23 0xffffffff80c33425 in fo_ioctl (fp=, com=3224398136, data=0xffffffff81cf5ad8 , active_cred=0x10000, td=0xfffff8005bb81000) at /usr/src/sys/sys/file.h:342 #24 kern_ioctl (td=, fd=, com=, data=0xffffffff81cf5ad8 "") at /usr/src/sys/kern/sys_generic.c:801 #25 0xffffffff80c3311c in sys_ioctl (td=0xfffff8005bb81000, uap=0xfffff8005bb813c8) at /usr/src/sys/kern/sys_generic.c:709 #26 0xffffffff81065986 in syscallenter (td=) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #27 amd64_syscall (td=0xfffff8005bb81000, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #28 #29 0x0000000800483faa in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe1a8 (kgdb) th 2 Ambiguous command "th 2": thbreak, thread. (kgdb) thre 1 [Switching to thread 1 (Thread 100263)] #0 sched_switch (td=0xfffff8005bc3c000, flags=) at /usr/src/sys/kern/sched_ule.c:2148 2148 cpuid = td->td_oncpu = PCPU_GET(cpuid); (kgdb) thre 2 [Switching to thread 2 (Thread 100231)] #0 sched_switch (td=0xfffff8005b74e6e0, flags=) at /usr/src/sys/kern/sched_ule.c:2148 2148 cpuid = td->td_oncpu = PCPU_GET(cpuid); (kgdb) bt #0 sched_switch (td=0xfffff8005b74e6e0, flags=) at /usr/src/sys/kern/sched_ule.c:2148 #1 0xffffffff80bcee25 in mi_switch (flags=260) at /usr/src/sys/kern/kern_synch.c:525 #2 0xffffffff80c1c71a in sleepq_switch (wchan=0xffffffff81580440 , pri=0) at /usr/src/sys/kern/subr_sleepqueue.c:623 #3 0xffffffff80c1cd7b in sleepq_timedwait (wchan=0xffffffff81580440 , pri=0) at /usr/src/sys/kern/subr_sleepqueue.c:705 #4 0xffffffff80bce48c in _sleep (ident=0xffffffff81580440 , lock=, priority=, wmesg=0xffffffff8110af23 "USBWAIT", sbt=12884901, pr=0, flags=256) at /usr/src/sys/kern/kern_synch.c:216 #5 0xffffffff80bcea68 in pause_sbt (wmesg=, sbt=12884901, pr=, flags=) at /usr/src/sys/kern/kern_synch.c:335 #6 0xffffffff80a081cc in usb_pause_mtx (mtx=, timo=) at /usr/src/sys/dev/usb/usb_util.c:145 #7 0xffffffff80a056c3 in usbd_transfer_unsetup_sub (info=0xfffffe0087460000, needs_delay=1 '\001') at /usr/src/sys/dev/usb/usb_transfer.c:1329 #8 0xffffffff80a059b2 in usbd_transfer_unsetup (pxfer=0xfffff8001aebaac0, n_setup=) at /usr/src/sys/dev/usb/usb_transfer.c:1440 #9 0xffffffff8232017f in axe_detach (dev=) at /usr/src/sys/dev/usb/net/if_axe.c:985 #10 0xffffffff80bf9ebe in DEVICE_DETACH (dev=0xfffff80003b68000) at ./device_if.h:234 #11 device_detach (dev=0xfffff80003b68000) at /usr/src/sys/kern/subr_bus.c:3041 #12 0xffffffff80bf945d in devclass_driver_deleted (busclass=0xfffff800037dca80, dc=0xfffff8000e1a0980, driver=0xffffffff82325238 ) at /usr/src/sys/kern/subr_bus.c:1228 #13 0xffffffff80bf933f in devclass_delete_driver (busclass=0xfffff800037dca80, driver=0xffffffff82325238 ) at /usr/src/sys/kern/subr_bus.c:1303 #14 0xffffffff80bff33c in driver_module_handler (mod=0xfffff8005bc0ee00, what=1, arg=0xffffffff82325208 ) at /usr/src/sys/kern/subr_bus.c:5223 #15 0xffffffff80ba0502 in module_unload (mod=0xfffff8005bc0ee00) at /usr/src/sys/kern/kern_module.c:261 #16 0xffffffff80b9102b in linker_file_unload (file=0xfffff8001ced9a00, flags=) at /usr/src/sys/kern/kern_linker.c:701 #17 0xffffffff80b9241d in kern_kldunload (td=, fileid=50, flags=0) at /usr/src/sys/kern/kern_linker.c:1154 #18 0xffffffff81065986 in syscallenter (td=) --Type for more, q to quit, c to continue without paging-- at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #19 amd64_syscall (td=0xfffff8005b74e6e0, traced=) at /usr/src/sys/amd64/amd64/trap.c:1163 #20 #21 0x00000008002da6da in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe218 (kgdb) (kgdb) frame 10 #10 0xffffffff80bf9ebe in DEVICE_DETACH (dev=0xfffff80003b68000) at ./device_if.h:234 234 rc = ((device_detach_t *) _m)(dev); (kgdb) print *dev $3 = {ops = 0xfffff8001aea3000, link = {tqe_next = 0x0, tqe_prev = 0xfffff8001acd4a08}, devlink = { tqe_next = 0xfffff80003531c00, tqe_prev = 0xfffff8001acd4418}, parent = 0xfffff8000e00b400, children = {tqh_first = 0xfffff80003531c00, tqh_last = 0xfffff80003531c08}, driver = 0xffffffff82325238 , devclass = 0xfffff8000e1a0980, unit = 0, nameunit = 0xfffff80003126ed0 "axe0", desc = 0xfffff80003fdd680 "SMC SMC2209USB/ETH, class 2/0, rev 2.00/0.01, addr 1", busy = 0, state = DS_ATTACHED, devflags = 0, flags = 1037, order = 0, ivars = 0x0, softc = 0xfffff8001aeba800, sysctl_ctx = {tqh_first = 0xfffff8005ba3c960, tqh_last = 0xfffff8005ba3ca68}, sysctl_tree = 0xfffff8005bc29200} (kgdb)