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[69.159.36.31]) by smtp.gmail.com with ESMTPSA id 81sm112256itd.41.2019.05.08.15.55.54 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 08 May 2019 15:55:55 -0700 (PDT) Sender: Mark Johnston Date: Wed, 8 May 2019 18:55:53 -0400 From: Mark Johnston To: Larry Rosenman Cc: freebsd-current@freebsd.org Subject: Re: Crash loading dtraceall Message-ID: <20190508225553.GC11774@raichu> References: <20190508205245.ulbo6fusk3b4py7t@ler-imac.local> <20190508222932.GB11774@raichu> <845dd186ef038d98c1a95a7454e432d2@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <845dd186ef038d98c1a95a7454e432d2@FreeBSD.org> User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: 228436B472 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.97 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.972,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] 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 22:55:57 -0000 On Wed, May 08, 2019 at 05:47:08PM -0500, Larry Rosenman wrote: > On 05/08/2019 5:29 pm, Mark Johnston wrote: > > 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. > > > #9 fbt_provide_module_function (lf=0xfffff800020ff000, symindx=30763, > symval=0xfffffe00d74d7e00, opaque=0xfffffe00d74d7e50) at > /usr/src/sys/cddl/dev/fbt/x86/fbt_isa.c:191 > 191 if (*instr == FBT_PUSHL_EBP) > (kgdb) print *lf > $1 = {ops = 0xfffff800020f6000, refs = 202, userrefs = 1, flags = 1, > link = {tqe_next = 0xfffff800020fec00, tqe_prev = 0xffffffff80c767d0 > }, filename = 0xfffff80002101030 "kernel", > pathname = 0xfffff80002104080 "/boot/kernel/kernel", id = 1, address = > 0xffffffff80200000 "\177ELF\002\001\001\t", size = 17612816, ctors_addr > = 0x0, ctors_size = 0, ndeps = 0, deps = 0x0, common = {stqh_first = > 0x0, > stqh_last = 0xfffff800020ff070}, modules = {tqh_first = > 0xfffff800020e5800, tqh_last = 0xfffff80002116790}, loaded = {tqe_next = > 0x0, tqe_prev = 0x0}, loadcnt = 1, nenabled = 0, fbt_nentries = 25062} > (kgdb) And could you show the output of: $ readelf -s /boot/kernel/kernel | grep "30763:"