Date: Wed, 08 May 2019 17:57:18 -0500 From: Larry Rosenman <ler@FreeBSD.org> To: Mark Johnston <markj@freebsd.org> Cc: freebsd-current@freebsd.org, owner-freebsd-current@freebsd.org Subject: Re: Crash loading dtraceall Message-ID: <460d563e2fe48bfd90b489015b4c0f9d@FreeBSD.org> In-Reply-To: <20190508225553.GC11774@raichu> References: <20190508205245.ulbo6fusk3b4py7t@ler-imac.local> <20190508222932.GB11774@raichu> <845dd186ef038d98c1a95a7454e432d2@FreeBSD.org> <20190508225553.GC11774@raichu>
next in thread | previous in thread | raw e-mail | index | archive | help
On 05/08/2019 5:55 pm, Mark Johnston wrote:
> 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
>> <linker_files>}, 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:"
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to
> "freebsd-current-unsubscribe@freebsd.org"
[root@oldtbh2 /var/crash]# readelf -s /boot/kernel/kernel | grep
"30763:"
30763: ffffffff80791310 75 IFUNC GLOBAL DEFAULT 8 x86_rng_store
[root@oldtbh2 /var/crash]#
--
Larry Rosenman http://people.freebsd.org/~ler
Phone: +1 214-642-9640 E-Mail: ler@FreeBSD.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?460d563e2fe48bfd90b489015b4c0f9d>