Date: Tue, 18 Dec 2018 14:13:51 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 233535] Machines lost ping6 after adding same IPv6 address Message-ID: <bug-233535-7501-bYwfVatiLr@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-233535-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-233535-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D233535 --- Comment #16 from Andrey V. Elsukov <ae@FreeBSD.org> --- Unread portion of the kernel message buffer: panic: Assertion inm->in6m_refcount > 0 failed at /home/devel/freebsd/base/head/sys/netinet6/in6_mcast.c:636 cpuid =3D 0 time =3D 1545140639 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00779ce= 740 vpanic() at vpanic+0x1a3/frame 0xfffffe00779ce7a0 panic() at panic+0x43/frame 0xfffffe00779ce800 in6m_disconnect() at in6m_disconnect+0x21b/frame 0xfffffe00779ce830 mld_fasttimo() at mld_fasttimo+0x7d7/frame 0xfffffe00779ce900 pffasttimo() at pffasttimo+0x54/frame 0xfffffe00779ce930 softclock_call_cc() at softclock_call_cc+0x141/frame 0xfffffe00779ce9e0 softclock() at softclock+0x7c/frame 0xfffffe00779cea10 ithread_loop() at ithread_loop+0x187/frame 0xfffffe00779cea70 fork_exit() at fork_exit+0x84/frame 0xfffffe00779ceab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00779ceab0 --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- KDB: enter: panic __curthread () at ./machine/pcpu.h:230 230 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (OFFSETOF_CURTHREAD)); (kgdb) bt #0 __curthread () at ./machine/pcpu.h:230 #1 doadump (textdump=3D-1791303680) at /home/devel/freebsd/base/head/sys/kern/kern_shutdown.c:371 #2 0xffffffff80466d7c in db_fncall_generic (addr=3D<optimized out>, rv=3D<optimized out>, nargs=3D<optimized out>, args=3D<optimized out>) at /home/devel/freebsd/base/head/sys/ddb/db_command.c:609 #3 db_fncall (dummy1=3D<optimized out>, dummy2=3D<optimized out>, dummy3=3D<optimized out>, dummy4=3D<optimized out>) at /home/devel/freebsd/base/head/sys/ddb/db_command.c:657 #4 0xffffffff804668b9 in db_command (last_cmdp=3D<optimized out>, cmd_table=3D<optimized out>, dopager=3D<optimized out>) at /home/devel/freebsd/base/head/sys/ddb/db_command.c:481 #5 0xffffffff80466634 in db_command_loop () at /home/devel/freebsd/base/head/sys/ddb/db_command.c:534 #6 0xffffffff8046984f in db_trap (type=3D<optimized out>, code=3D<optimize= d out>) at /home/devel/freebsd/base/head/sys/ddb/db_main.c:252 #7 0xffffffff80bf1365 in kdb_trap (type=3D3, code=3D0, tf=3D<optimized out= >) at /home/devel/freebsd/base/head/sys/kern/subr_kdb.c:692 #8 0xffffffff81076f76 in trap (frame=3D0xfffffe00779ce670) at /home/devel/freebsd/base/head/sys/amd64/amd64/trap.c:619 #9 <signal handler called> #10 kdb_enter (why=3D0xffffffff8130f382 "panic", msg=3D<optimized out>) at /home/devel/freebsd/base/head/sys/kern/subr_kdb.c:479 #11 0xffffffff80ba8e10 in vpanic (fmt=3D<optimized out>, ap=3D0xfffffe00779= ce7e0) at /home/devel/freebsd/base/head/sys/kern/kern_shutdown.c:866 #12 0xffffffff80ba8bb3 in panic (fmt=3D0xffffffff81e95368 <cnputs_mtx> "\340\066-\201\377\377\377\377") at /home/devel/freebsd/base/head/sys/kern/kern_shutdown.c:804 #13 0xffffffff80dee39b in in6m_disconnect (inm=3D0xfffff80003a04d00) at /home/devel/freebsd/base/head/sys/netinet6/in6_mcast.c:636 #14 0xffffffff80e02117 in mld_fasttimo_vnet () at /home/devel/freebsd/base/head/sys/netinet6/mld6.c:1611 #15 mld_fasttimo () at /home/devel/freebsd/base/head/sys/netinet6/mld6.c:13= 17 #16 0xffffffff80c36a04 in pffasttimo (arg=3D0xffffffff81e95368 <cnputs_mtx>= ) at /home/devel/freebsd/base/head/sys/kern/uipc_domain.c:521 #17 0xffffffff80bc2101 in softclock_call_cc (c=3D0xffffffff81314b74, cc=3D0xffffffff820acb40 <cc_cpu>, direct=3D<optimized out>) at /home/devel/freebsd/base/head/sys/kern/kern_timeout.c:731 #18 0xffffffff80bc24bc in softclock (arg=3D0xffffffff820acb40 <cc_cpu>) at /home/devel/freebsd/base/head/sys/kern/kern_timeout.c:869 #19 0xffffffff80b6bb07 in intr_event_execute_handlers (p=3D<optimized out>, ie=3D<optimized out>) at /home/devel/freebsd/base/head/sys/kern/kern_intr.c= :1119 #20 ithread_execute_handlers (p=3D<optimized out>, ie=3D<optimized out>) at /home/devel/freebsd/base/head/sys/kern/kern_intr.c:1132 #21 ithread_loop (arg=3D<optimized out>) at /home/devel/freebsd/base/head/sys/kern/kern_intr.c:1212 #22 0xffffffff80b687f4 in fork_exit (callout=3D0xffffffff80b6b980 <ithread_= loop>, arg=3D0xfffff800035f1dc0, frame=3D0xfffffe00779ceac0) at /home/devel/freebsd/base/head/sys/kern/kern_fork.c:1009 #23 <signal handler called> --=20 You are receiving this mail because: You are the assignee for the bug.=
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