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Subject: Re: panic: vm_object_madvise: page 0xfffffe0413c58630 is fictitious
From: Attilio Rao <attilio@freebsd.org>
To: Andre Oppermann <andre@freebsd.org>
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On Tue, Nov 27, 2012 at 11:26 AM, Andre Oppermann <andre@freebsd.org> wrote:
> FreeBSD bbb.ccc 10.0-CURRENT FreeBSD 10.0-CURRENT #0:
> Fri Nov 23 17:00:40 CET 2012
> aaa@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"?

Thanks,
Attilio


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