On 27.11.2012 16:05, Attilio Rao wrote:
On Tue, Nov 27, 2012 at 11:26 AM, Andre Oppermann <an...@freebsd.org> wrote:
FreeBSD bbb.ccc 10.0-CURRENT FreeBSD 10.0-CURRENT #0:
Fri Nov 23 17:00:40 CET 2012
a...@bbb.ccc:/usr/obj/usr/src/head/sys/GENERIC amd64
#0 doadump (textdump=-2014022336) at pcpu.h:229
#1 0xffffffff8033e2d2 in db_fncall (dummy1=<value optimized out>,
dummy2=<value optimized out>,
dummy3=<value optimized out>, dummy4=<value optimized out>)
at /usr/src/head/sys/ddb/db_command.c:578
#2 0xffffffff8033e074 in db_command (last_cmdp=<value optimized out>,
cmd_table=<value optimized out>, dopager=1) at
/usr/src/head/sys/ddb/db_command.c:449
#3 0xffffffff8033dd62 in db_command_loop () at
/usr/src/head/sys/ddb/db_command.c:502
#4 0xffffffff80340690 in db_trap (type=<value optimized out>, code=0)
at /usr/src/head/sys/ddb/db_main.c:231
#5 0xffffffff808b375e in kdb_trap (type=3, code=0, tf=<value optimized
out>)
at /usr/src/head/sys/kern/subr_kdb.c:654
#6 0xffffffff80bfc71a in trap (frame=0xffffff8487f478a0)
at /usr/src/head/sys/amd64/amd64/trap.c:579
#7 0xffffffff80be65b2 in calltrap () at /tmp/exception-3nQ6Cf.s:179
#8 0xffffffff808b2f5e in kdb_enter (why=0xffffffff80e5e23b "panic",
msg=<value optimized out>)
at cpufunc.h:63
#9 0xffffffff8088086f in panic (fmt=<value optimized out>)
at /usr/src/head/sys/kern/kern_shutdown.c:628
#10 0xffffffff80adea4a in vm_object_madvise (object=<value optimized out>,
pindex=<value optimized out>, end=8952, advise=<value optimized out>)
at /usr/src/head/sys/vm/vm_object.c:1101
Can you do: "frame 10" and then "info locals" and finally "p *m"?
(kgdb) frame 10
#10 0xffffffff80adea4a in vm_object_madvise (object=<value optimized out>,
pindex=<value optimized out>, end=8952, advise=<value optimized out>)
at /usr/src/head/sys/vm/vm_object.c:1101
1101 KASSERT((m->flags & PG_FICTITIOUS) == 0,
Current language: auto; currently minimal
(kgdb) info locals
m = <value optimized out>
backing_object = <value optimized out>
tpindex = <value optimized out>
(kgdb) p *m
Cannot access memory at address 0xa00000038
(kgdb)
--
Andre
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