This is for FreeBSD running under Hyper-V on a Windows 10 Pro machine. The FreeBSD "disk" bindings are to SSDs, not the insides of NTFS files. 29 logical processors assigned to FreeBSD (on a 32-thread Ryzen Threadripper 1950X). No other Hyper-V use. This happened during: # ~/sys_build_scripts.amd64-host/make_powerpc64vtsc_nodebug_clang_altbinutils-amd64-host.sh check-old DESTDIR=/usr/obj/DESTDIRs/clang-powerpc64-installworld_altbinutils Script started, output file is /root/sys_typescripts/typescript_make_powerpc64vtsc_nodebug_clang_altbinutils-amd64-host-2018-02-17:15:56:20 >>> Checking for old files (Hand typed from a picture of a window's content at slighly different times, expect typos:) KDB: enter: panic [thread pid 42170 tid 100752 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> call doadump Dumping 4825 out of 110559 MB: ... (omitted) ... Dump complete = 0 (The "pid 42170" identification as the process reporting the issue does not seem to appear in the core.txt.0 file.) # ls -lTdt /var/crash/* -rw-r--r-- 1 root wheel 100792 Feb 17 16:09:18 2018 /var/crash/core.txt.0 lrwxr-xr-x 1 root wheel 8 Feb 17 16:09:08 2018 /var/crash/vmcore.last -> vmcore.0 lrwxr-xr-x 1 root wheel 6 Feb 17 16:09:08 2018 /var/crash/info.last -> info.0 -rw------- 1 root wheel 5060296704 Feb 17 16:09:08 2018 /var/crash/vmcore.0 -rw------- 1 root wheel 392 Feb 17 16:08:59 2018 /var/crash/info.0 -rw-r--r-- 1 root wheel 2 Feb 17 16:08:59 2018 /var/crash/bounds -rw-r--r-- 1 root wheel 5 Nov 22 04:34:36 2017 /var/crash/minfree From /var/crash/core.txt.0 : Unread portion of the kernel message buffer: spin lock 0xffffffff81b2dcc0 (sched lock 5) held by 0xfffff8011d936560 (tid 100691) too long panic: spin lock held too long cpuid = 5 time = 1518911834 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00f10094d0 vpanic() at vpanic+0x18d/frame 0xfffffe00f1009530 panic() at panic+0x43/frame 0xfffffe00f1009590 _mtx_lock_indefinite_check() at _mtx_lock_indefinite_check+0x71/frame 0xfffffe00f10095a0 thread_lock_flags_() at thread_lock_flags_+0xdb/frame 0xfffffe00f1009610 statclock_cnt() at statclock_cnt+0xdc/frame 0xfffffe00f1009650 handleevents() at handleevents+0x113/frame 0xfffffe00f10096a0 timercb() at timercb+0xa9/frame 0xfffffe00f10096f0 lapic_handle_timer() at lapic_handle_timer+0xa7/frame 0xfffffe00f1009730 timerint_u() at timerint_u+0x96/frame 0xfffffe00f1009810 thread_lock_flags_() at thread_lock_flags_+0xc1/frame 0xfffffe00f1009880 fork1() at fork1+0x1b9f/frame 0xfffffe00f1009930 sys_vfork() at sys_vfork+0x4c/frame 0xfffffe00f1009980 amd64_syscall() at amd64_syscall+0xa48/frame 0xfffffe00f1009ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0x7fffffffcfc0 KDB: enter: panic __curthread () at ./machine/pcpu.h:230 230 __asm("movq %%gs:%1,%0" : "=r" (td) (kgdb) #0 __curthread () at ./machine/pcpu.h:230 #1 doadump (textdump=-2122191464) at /usr/src/sys/kern/kern_shutdown.c:347 #2 0xffffffff8040b42c in db_fncall_generic (addr=<optimized out>, rv=<optimized out>, nargs=<optimized out>, args=<optimized out>) at /usr/src/sys/ddb/db_command.c:609 #3 db_fncall (dummy1=<optimized out>, dummy2=<optimized out>, dummy3=<optimized out>, dummy4=<optimized out>) at /usr/src/sys/ddb/db_command.c:657 #4 0xffffffff8040af79 in db_command (last_cmdp=<optimized out>, cmd_table=<optimized out>, dopager=<optimized out>) at /usr/src/sys/ddb/db_command.c:481 #5 0xffffffff8040acf4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:534 #6 0xffffffff8040df9f in db_trap (type=<optimized out>, code=<optimized out>) at /usr/src/sys/ddb/db_main.c:250 #7 0xffffffff80b370e3 in kdb_trap (type=3, code=-61456, tf=<optimized out>) at /usr/src/sys/kern/subr_kdb.c:697 #8 0xffffffff80fa2c5c in trap (frame=0xfffffe00f1009400) at /usr/src/sys/amd64/amd64/trap.c:547 #9 <signal handler called> #10 kdb_enter (why=0xffffffff811f280b "panic", msg=<optimized out>) at /usr/src/sys/kern/subr_kdb.c:479 #11 0xffffffff80aef17a in vpanic (fmt=<optimized out>, ap=0xfffffe00f1009570) at /usr/src/sys/kern/kern_shutdown.c:801 #12 0xffffffff80aeefc3 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:739 #13 0xffffffff80acfa31 in _mtx_lock_indefinite_check (m=<optimized out>, ldap=<optimized out>) at /usr/src/sys/kern/kern_mutex.c:1224 #14 0xffffffff80acfb9b in thread_lock_flags_ (td=0xfffff818719d1000, opts=<optimized out>, file=<optimized out>, line=<optimized out>) at /usr/src/sys/kern/kern_mutex.c:913 #15 0xffffffff80a89d6c in statclock_cnt (cnt=1, usermode=<optimized out>) at /usr/src/sys/kern/kern_clock.c:768 #16 0xffffffff810d0003 in handleevents (now=43230207690178, fake=0) at /usr/src/sys/kern/kern_clocksource.c:196 #17 0xffffffff810d0709 in timercb (et=0xffffffff81c528e8 <lapic_et>, arg=<optimized out>) at /usr/src/sys/kern/kern_clocksource.c:353 #18 0xffffffff8110dad7 in lapic_handle_timer (frame=0xfffffe00f1009740) at /usr/src/sys/x86/x86/local_apic.c:1305 #19 0xffffffff80f849d0 in timerint_u () at /usr/src/sys/amd64/amd64/apic_vector.S:132 #20 0xfffffe00f1009828 in ?? () #21 0x000000000000b6b1 in ?? () #22 0x0000000000002000 in ?? () #23 0x00000000ffffdfff in ?? () #24 0x00c11c08e43e7fd5 in ?? () #25 0x00000000000003e8 in ?? () #26 0x00000000fffff1eb in ?? () #27 0xfffffe00f1009828 in ?? () #28 0xfffffe00f1009810 in ?? () #29 0x00000000800e6d01 in ?? () #30 0x0000000000000064 in ?? () #31 0xfffff8011d936560 in ?? () #32 0xfffffe00f1009828 in ?? () #33 0xffffffff81771014 in mtx_delay () #34 0x0000000000000000 in ?? () (kgdb) . . . UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND . . . 0 1110 1102 0 33 0 12024 3076 ttyin D+ - 0:00.00 [sh] 0 1120 1044 0 20 0 18572 7936 select Ds - 0:00.00 [sshd] 1001 1123 1120 0 20 0 18936 8044 select D - 0:00.00 [sshd] 1001 1124 1123 0 34 0 12120 3196 wait Ds - 0:00.00 [sh] 0 1134 1124 0 22 0 12060 3148 wait D - 0:00.00 [su] 0 1135 1134 0 20 0 12312 3244 wait D - 0:00.00 [sh] 0 42072 1135 0 25 0 11464 3060 wait D+ - 0:00.00 [sh] 0 42072 1135 0 25 0 11464 3060 wait D+ - 0:00.00 [sh] 0 42075 42072 0 20 0 10928 2480 select D+ - 0:00.00 [script] 0 42076 42075 0 52 0 10160 1396 wait Ds+ - 0:00.00 [make] 0 42108 42076 0 52 0 12236 3224 wait D+ - 0:00.00 [make] 0 42168 42108 0 52 0 11496 3068 wait D+ - 0:00.00 [sh] 0 42169 42168 0 52 0 12608 3568 pipewr D+ - 0:00.00 [make] 0 42170 42168 0 72 0 10956 2284 - R+ - 0:00.00 [xargs] 0 42171 42168 0 35 0 11500 3064 piperd D+ - 0:00.00 [sh] 0 46769 42170 0 72 0 10956 2284 - ?VL+ - 0:00.00 [xargs] . . . Context details: # uname -apKU FreeBSD FBSDFSSD 12.0-CURRENT FreeBSD 12.0-CURRENT r329465M amd64 amd64 1200058 1200058 # svnlite status /usr/src | sort ? /usr/src/sys/amd64/conf/GENERIC-DBG ? /usr/src/sys/amd64/conf/GENERIC-NODBG ? /usr/src/sys/arm/conf/GENERIC-DBG ? /usr/src/sys/arm/conf/GENERIC-NODBG ? /usr/src/sys/arm64/conf/GENERIC-DBG ? /usr/src/sys/arm64/conf/GENERIC-NODBG ? /usr/src/sys/powerpc/conf/GENERIC64vtsc-DBG ? /usr/src/sys/powerpc/conf/GENERIC64vtsc-NODBG ? /usr/src/sys/powerpc/conf/GENERICvtsc-DBG ? /usr/src/sys/powerpc/conf/GENERICvtsc-NODBG M /usr/src/contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp M /usr/src/contrib/llvm/tools/lld/ELF/Arch/PPC64.cpp M /usr/src/crypto/openssl/crypto/armcap.c M /usr/src/lib/libkvm/kvm_powerpc.c M /usr/src/lib/libkvm/kvm_private.c M /usr/src/stand/defs.mk M /usr/src/stand/powerpc/boot1.chrp/Makefile M /usr/src/stand/powerpc/kboot/Makefile M /usr/src/sys/arm64/arm64/identcpu.c M /usr/src/sys/conf/kmod.mk M /usr/src/sys/conf/ldscript.powerpc M /usr/src/sys/kern/subr_pcpu.c M /usr/src/sys/powerpc/aim/mmu_oea64.c M /usr/src/sys/powerpc/ofw/ofw_machdep.c M /usr/src/sys/powerpc/powerpc/interrupt.c M /usr/src/sys/powerpc/powerpc/mp_machdep.c M /usr/src/sys/powerpc/powerpc/trap.c M /usr/src/sys/vm/uma_core.c M /usr/src/usr.bin/top/machine.c The GENERIC* files include GENERIC and then set explicit debug status choices of mine. Most of the rest is tied to historical powerpc and powerpc64 investigations. I also have top report the maximum swap-in-use figure that it sees during its run. # svnlite diff /usr/src/sys/vm/uma_core.c Index: /usr/src/sys/vm/uma_core.c =================================================================== --- /usr/src/sys/vm/uma_core.c (revision 329465) +++ /usr/src/sys/vm/uma_core.c (working copy) _at__at_ -3428,7 +3428,7 _at__at_ void uma_reclaim_wakeup(void) { - +printf("limit %lX, total %lX, needed %d\n", uma_kmem_limit, uma_kmem_total, uma_reclaim_needed); if (atomic_fetchadd_int(&uma_reclaim_needed, 1) == 0) wakeup(uma_reclaim); } Side note: It took the automatic fsck and 2 manual fsck runs to get back to a clean status (before I could get to multi-user). === Mark Millard marklmi at yahoo.com ( markmi at dsl-only.net is going away in 2018-Feb, late)Received on Sun Feb 18 2018 - 00:39:49 UTC
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