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[69.159.36.31]) by smtp.gmail.com with ESMTPSA id c65sm116356itd.11.2019.05.08.15.29.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 08 May 2019 15:29:34 -0700 (PDT) Sender: Mark Johnston Date: Wed, 8 May 2019 18:29:32 -0400 From: Mark Johnston To: freebsd-current@freebsd.org, ler@freebsd.org Subject: Re: Crash loading dtraceall Message-ID: <20190508222932.GB11774@raichu> References: <20190508205245.ulbo6fusk3b4py7t@ler-imac.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190508205245.ulbo6fusk3b4py7t@ler-imac.local> User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: C718E6A5D0 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=MeJtN9UU; spf=pass (mx1.freebsd.org: domain of markjdb@gmail.com designates 2607:f8b0:4864:20::12d as permitted sender) smtp.mailfrom=markjdb@gmail.com X-Spamd-Result: default: False [-5.53 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_COUNT_THREE(0.00)[3]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[d.2.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.95)[-0.951,0]; IP_SCORE(-2.86)[ip: (-8.78), ipnet: 2607:f8b0::/32(-3.23), asn: 15169(-2.26), country: US(-0.06)]; FORGED_SENDER(0.30)[markj@freebsd.org,markjdb@gmail.com]; MID_RHS_NOT_FQDN(0.50)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[markj@freebsd.org,markjdb@gmail.com] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 May 2019 22:29:38 -0000 On Wed, May 08, 2019 at 03:52:45PM -0500, Larry Rosenman wrote: > Greetings, > > Somewhere between r346483 and r347241 loading dtraceall causes a > crash. I have the cores and kernels. > > It's hard for me to bisect more than this, as the box is remote. > > What more do you need? (this dump is fropm r347355). Please visit frame 8 and print *lf. > Loaded symbols for /boot/kernel/fbt.ko > #0 doadump (textdump=1) at src/sys/amd64/include/pcpu.h:241 > 241 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (OFFSETOF_CURTHREAD)); > (kgdb) #0 doadump (textdump=1) at src/sys/amd64/include/pcpu.h:241 > #1 0xffffffff80496320 in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:470 > #2 0xffffffff80496799 in vpanic (fmt=, > ap=) at /usr/src/sys/kern/kern_shutdown.c:896 > #3 0xffffffff804964d3 in panic (fmt=) > at /usr/src/sys/kern/kern_shutdown.c:823 > #4 0xffffffff80767314 in trap_fatal (frame=0xfffffe00d74d7cd0, eva=0) > at /usr/src/sys/amd64/amd64/trap.c:946 > #5 0xffffffff80767379 in trap_pfault (frame=0xfffffe00d74d7cd0, usermode=0) > at src/sys/amd64/include/pcpu.h:241 > #6 0xffffffff80766964 in trap (frame=0xfffffe00d74d7cd0) > at /usr/src/sys/amd64/amd64/trap.c:441 > #7 0xffffffff80740805 in calltrap () > at /usr/src/sys/amd64/amd64/exception.S:232 > #8 0xffffffff825cb5ea in fbt_provide_module_function (lf=0xfffff800020ff000, > symindx=30763, symval=0xfffffe00d74d7e00, opaque=0xfffffe00d74d7e50) > at /usr/src/sys/cddl/dev/fbt/x86/fbt_isa.c:190 > #9 0xffffffff804bf8f7 in link_elf_each_function_nameval ( > file=0xfffff800020ff000, > callback=0xffffffff825cb570 , > opaque=0xfffffe00d74d7e50) at /usr/src/sys/kern/link_elf.c:1513 > #10 0xffffffff825ca33e in fbt_provide_module (arg=, > lf=0xfffff800020ff000) at /usr/src/sys/cddl/dev/fbt/fbt.c:204 > #11 0xffffffff825ca242 in fbt_linker_file_cb (lf=, > arg=) at /usr/src/sys/cddl/dev/fbt/fbt.c:1103 > #12 0xffffffff8046d772 in linker_file_foreach ( > predicate=0xffffffff825ca230 , context=0x0) > at /usr/src/sys/kern/kern_linker.c:594 > #13 0xffffffff8046cb58 in linker_load_module (kldname=, > modname=0xffffffff81d792ae "fbt", parent=, > verinfo=, lfpp=0x0) > at /usr/src/sys/kern/kern_linker.c:236 > #14 0xffffffff8046f1bd in linker_load_dependencies (lf=0xfffff8002389a400) > at /usr/src/sys/kern/kern_linker.c:2200 > #15 0xffffffff80797f3e in link_elf_load_file (cls=, > filename=0xfffff80003d592c0 "/boot/kernel/dtraceall.ko", > result=0xfffffe00d74d8898) at /usr/src/sys/kern/link_elf_obj.c:1010 > #16 0xffffffff8046c96f in linker_load_module (kldname=, > modname=0xfffff800231a7800 "dtraceall", parent=, > verinfo=, lfpp=0xfffffe00d74d8a38) at linker_if.h:180 > #17 0xffffffff8046e297 in kern_kldload (td=0xfffff80114df9000, > file=, fileid=0xfffffe00d74d8a74) > at /usr/src/sys/kern/kern_linker.c:1089 > #18 0xffffffff8046e35b in sys_kldload (td=0xfffff80114df9000, > uap=) at /usr/src/sys/kern/kern_linker.c:1115 > #19 0xffffffff80767ddc in amd64_syscall (td=0xfffff80114df9000, traced=0) > at src/sys/amd64/amd64/../../kern/subr_syscall.c:135 > #20 0xffffffff807410ed in fast_syscall_common () > at /usr/src/sys/amd64/amd64/exception.S:504 > #21 0x00000008002de43a in ?? () > Previous frame inner to this frame (corrupt stack?) > Current language: auto; currently minimal > (kgdb) > -- > Larry Rosenman https://people.FreeBSD.org/~ler/ > Phone: +1 214-642-9640 E-Mail: ler@FreeBSD.org > US Mail: 5708 Sabbia Drive, Round Rock, TX 78665-2106