Date: Tue, 20 Jul 2021 09:07:04 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Mark Johnston <markj@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: panic: vm_domainset_iter_first: Unknown policy 15168 Message-ID: <20210720160704.GA35184@troutmask.apl.washington.edu> In-Reply-To: <20210720020503.GA32856@troutmask.apl.washington.edu> References: <20210719220219.GA1010@troutmask.apl.washington.edu> <YPYQ2wHlDKNbz%2B/E@nuc> <20210720020503.GA32856@troutmask.apl.washington.edu>
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On Mon, Jul 19, 2021 at 07:05:03PM -0700, Steve Kargl wrote:
> On Mon, Jul 19, 2021 at 07:55:07PM -0400, Mark Johnston wrote:
> > On Mon, Jul 19, 2021 at 03:02:19PM -0700, Steve Kargl wrote:
> > >
> > > (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
> > > #1 doadump (textdump=textdump@entry=1)
> > > at /usr/src/sys/kern/kern_shutdown.c:399
> > > #2 0xffffffff805fe263 in kern_reboot (howto=260)
> > > at /usr/src/sys/kern/kern_shutdown.c:486
> > > #3 0xffffffff805fe6b0 in vpanic (fmt=<optimized out>, ap=<optimized out>)
> > > at /usr/src/sys/kern/kern_shutdown.c:919
> > > #4 0xffffffff805fe4b3 in panic (fmt=<unavailable>)
> > > at /usr/src/sys/kern/kern_shutdown.c:843
> > > #5 0xffffffff8085dcbb in vm_domainset_iter_first (di=<optimized out>,
> > > domain=<optimized out>) at /usr/src/sys/vm/vm_domainset.c:189
> > > #6 0xffffffff8085dbd2 in vm_domainset_iter_page_init (
> > > di=di@entry=0xfffffe012ae5e2a0, obj=obj@entry=0xfffff8003c21f420,
> > > pindex=<optimized out>, pindex@entry=16931,
> > > domain=domain@entry=0xfffffe012ae5e2f4, req=<unavailable>,
> > > req@entry=0xfffffe012ae5e2f0) at /usr/src/sys/vm/vm_domainset.c:217
> >
> > Could you please show output from:
> >
> > (kgdb) frame 6
> > (kgdb) p *dr
> > (kgdb) p obj->domain
> >
>
> The system is at work. I'll do this tomorrow morning.
> Thanks for asking for additional info.
>
Hi Mark, I poked around and tried to supply the request info
along with content of other structs.
(kgdb) frame 6
#6 0xffffffff8085dbd2 in vm_domainset_iter_page_init (
di=di@entry=0xfffffe012ae5e2a0, obj=obj@entry=0xfffff8003c21f420,
pindex=<optimized out>, pindex@entry=16931,
domain=domain@entry=0xfffffe012ae5e2f4, req=<unavailable>,
req@entry=0xfffffe012ae5e2f0) at /usr/src/sys/vm/vm_domainset.c:217
217 vm_domainset_iter_first(di, domain);
(kgdb) p *dr
value has been optimized out
(kgdb) p obj->domain
$1 = {dr_policy = 0xfffff800064b9c60, dr_iter = 0}
(kgdb) p *obj->domain->dr_policy
$3 = {ds_link = {le_next = 0xfffff8003c21f420, le_prev = 0xfffffe000ce71188},
ds_mask = {__bits = {0}}, ds_policy = 15168, ds_prefer = 231 '\347',
ds_cnt = 12 '\f',
ds_order = "\000\376\377\377@", <incomplete sequence \347\014>}
(kgdb) p *di
$8 = {di_domain = 0xfffff800064b9c60, di_iter = 0xfffff8003c21f490,
di_offset = 35190825029656, di_flags = 86066, di_policy = 15168,
di_n = 255 '\377', di_minskip = true}
--
Steve
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