From owner-freebsd-net@freebsd.org Fri Jun 19 14:16:55 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A160234CC60 for ; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 49pLTg3tRsz48sr for ; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 852C934D120; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) Delivered-To: net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 84F2F34D0BB for ; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49pLTg32hTz48qb for ; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 635F01C2BB for ; Fri, 19 Jun 2020 14:16:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 05JEGtPx098283 for ; Fri, 19 Jun 2020 14:16:55 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 05JEGtrV098282 for net@FreeBSD.org; Fri, 19 Jun 2020 14:16:55 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 247420] panic: starting DAD on non-tentative address ... Date: Fri, 19 Jun 2020 14:16:54 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: ipv6 X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: bz@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status keywords bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jun 2020 14:16:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D247420 Bug ID: 247420 Summary: panic: starting DAD on non-tentative address ... Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Keywords: ipv6 Severity: Affects Some People Priority: --- Component: kern Assignee: net@FreeBSD.org Reporter: bz@FreeBSD.org plugging in a USB WIFI dongle I got this; unclear if it was from this one or another one which got toggled down/up ... fairly recent HEAD of sometime t= he last two weeks. I thought these panics were gone .. panic: starting DAD on non-tentative address 0xfffff80003990600 cpuid =3D 1 time =3D 1502195081 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe003b653= 690 vpanic() at vpanic+0x182/frame 0xfffffe003b6536e0 panic() at panic+0x43/frame 0xfffffe003b653740 nd6_dad_start() at nd6_dad_start+0x3bb/frame 0xfffffe003b6537e0 in6_if_up() at in6_if_up+0x62/frame 0xfffffe003b653820 if_up() at if_up+0x69/frame 0xfffffe003b653850 ifhwioctl() at ifhwioctl+0xbf8/frame 0xfffffe003b6538d0 ifioctl() at ifioctl+0x3ac/frame 0xfffffe003b6539a0 kern_ioctl() at kern_ioctl+0x27b/frame 0xfffffe003b653a00 sys_ioctl() at sys_ioctl+0x127/frame 0xfffffe003b653ad0 amd64_syscall() at amd64_syscall+0x140/frame 0xfffffe003b653bf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe003b653bf0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip =3D 0x80047cd8a, rsp =3D 0x7fffffffe258, rbp =3D 0x7fffffffe2b0 --- KDB: enter: panic [ thread pid 42874 tid 100086 ] Stopped at kdb_enter+0x37: movq $0,0x10c9ad6(%rip) db> show reg cs 0x20 ds 0x3b ll+0x1a es 0x3b ll+0x1a fs 0x13 gs 0x1b ss 0x28 ll+0x7 rax 0x12 rcx 0x80 ll+0x5f rdx 0xfffffe003b653580 rbx 0xffffffff8123674c rsp 0xfffffe003b653680 rbp 0xfffffe003b653690 rsi 0x80 ll+0x5f rdi 0xffffffff81c8e6d8 cnputs_mtx r8 0x10 r9 0xffffffff80c15ae0 putchar r10 0xffffffff81afca10 vga_conssoftc r11 0x10 r12 0x1 r13 0xfffff80003990600 r14 0 r15 0xfffffe0032deb000 rip 0xffffffff80c0f3b7 kdb_enter+0x37 rflags 0x82 ll+0x61 kdb_enter+0x37: movq $0,0x10c9ad6(%rip) --=20 You are receiving this mail because: You are the assignee for the bug.=