From owner-freebsd-hackers@freebsd.org Thu Apr 12 04:57:58 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 446FAF90382 for ; Thu, 12 Apr 2018 04:57:58 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-yw0-x22f.google.com (mail-yw0-x22f.google.com [IPv6:2607:f8b0:4002:c05::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D41B1694B0 for ; Thu, 12 Apr 2018 04:57:57 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: by mail-yw0-x22f.google.com with SMTP id y64so1366446ywa.3 for ; Wed, 11 Apr 2018 21:57:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:from:date:message-id:subject:to; bh=AvNqZjGftATqqTKGpd0hm4Q6wP8JAKxRQgLyzaHALaI=; 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Wed, 11 Apr 2018 21:57:56 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a25:98c3:0:0:0:0:0 with HTTP; Wed, 11 Apr 2018 21:57:26 -0700 (PDT) From: Eitan Adler Date: Wed, 11 Apr 2018 21:57:26 -0700 Message-ID: Subject: panic: probe defined without a provider To: FreeBSD Hackers Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Apr 2018 04:57:58 -0000 Unread portion of the kernel message buffer: [1786] panic: probe defined without a provider [1786] cpuid = 20 [1786] time = 1523508024 [1786] KDB: stack backtrace: [1786] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe010fc77360 [1786] vpanic() at vpanic+0x18d/frame 0xfffffe010fc773c0 [1786] doadump() at doadump/frame 0xfffffe010fc77440 [1786] sdt_kld_load() at sdt_kld_load+0x24e/frame 0xfffffe010fc775f0 [1786] linker_load_module() at linker_load_module+0xd43/frame 0xfffffe010fc77900 [1786] kern_kldload() at kern_kldload+0xf1/frame 0xfffffe010fc77950 [1786] sys_kldload() at sys_kldload+0x5b/frame 0xfffffe010fc77980 [1786] amd64_syscall() at amd64_syscall+0x79b/frame 0xfffffe010fc77ab0 [1786] fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe010fc77ab0 [1786] --- syscall (304, FreeBSD ELF64, sys_kldload), rip = 0x8002cfd8a, rsp = 0x7fffffff6338, rbp = 0x7fffffff68b0 --- [1786] KDB: enter: panic (kgdb) bt #7 0xffffffff80babf53 in kdb_trap (type=0x3, code=0xffff0ff0, tf=) at /usr/src/sys/kern/subr_kdb.c:697 #8 0xffffffff81024aa8 in trap (frame=0xfffffe010fc77290) at /usr/src/sys/amd64/amd64/trap.c:548 #9 #10 kdb_enter (why=0xffffffff8129f663 "panic", msg=) at /usr/src/sys/kern/subr_kdb.c:479 #11 0xffffffff80b66b5a in vpanic (fmt=, ap=0xfffffe010fc77400) at /usr/src/sys/kern/kern_shutdown.c:826 #12 0xffffffff80b66920 in kassert_panic (fmt=0xffffffff83bacce0 "probe defined without a provider") at /usr/src/sys/kern/kern_shutdown.c:723 #13 0xffffffff83bac2de in sdt_create_probe (probe=0xffffffff844d9c50 ) at /usr/src/sys/cddl/dev/sdt/sdt.c:156 #14 sdt_kld_load (arg=, lf=0xfffff8003a739200) at /usr/src/sys/cddl/dev/sdt/sdt.c:291 #15 0xffffffff80b36de3 in linker_load_file (filename=, result=) at /usr/src/sys/kern/kern_linker.c:475 #16 linker_load_module (kldname=, modname=0x0, parent=0x0, verinfo=, lfpp=0xfffffe010fc77918) at /usr/src/sys/kern/kern_linker.c:2092 #17 0xffffffff80b38361 in kern_kldload (td=, file=, fileid=0xfffffe010fc77964) at /usr/src/sys/kern/kern_linker.c:1071 #18 0xffffffff80b3848b in sys_kldload (td=0xfffff8004b4cb000, uap=) at /usr/src/sys/kern/kern_linker.c:1097 #19 0xffffffff8102606b in syscallenter (td=0xfffff8004b4cb000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:134 #20 amd64_syscall (td=0xfffff8004b4cb000, traced=0x0) at /usr/src/sys/amd64/amd64/trap.c:936 #21 #22 0x00000008002cfd8a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffff6338 (kgdb) info locals mod = "\b" func = "\317\n\016\177\b\370\377\377" name = "" prov = 0x0 len = from = to = (kgdb) frame Stack level 13, frame at 0xfffffe010fc77600: rip = 0xffffffff83bac2de in sdt_create_probe (/usr/src/sys/cddl/dev/sdt/sdt.c:156); saved rip = 0xffffffff80b36de3 inlined into frame 14, caller of frame at 0xfffffe010fc77450 source language c. Arglist at unknown address. Locals at unknown address, Previous frame's sp is 0xfffffe010fc77450 Saved registers: rbx at 0xfffffe010fc77420, rbp at 0xfffffe010fc77440, r12 at 0xfffffe010fc77428, r14 at 0xfffffe010fc77430, r15 at 0xfffffe010fc77438, rip at 0xfffffe010fc77448 probe = 0xffffffff844d9c50 mod = "\b" func = "\317\n\016\177\b\370\377\377" name = "" prov = 0x0 len = from = to = more here: https://reviews.freebsd.org/P171 -- Eitan Adler