From nobody Tue Jul 20 16:07:04 2021 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id BF13E12790E7 for ; Tue, 20 Jul 2021 16:07:08 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GTkB31Ymgz4vpB; Tue, 20 Jul 2021 16:07:06 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.16.1/8.16.1) with ESMTPS id 16KG74XN035223 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 20 Jul 2021 09:07:04 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.16.1/8.16.1/Submit) id 16KG74qw035222; Tue, 20 Jul 2021 09:07:04 -0700 (PDT) (envelope-from sgk) Date: Tue, 20 Jul 2021 09:07:04 -0700 From: Steve Kargl To: Mark Johnston Cc: freebsd-current@freebsd.org Subject: Re: panic: vm_domainset_iter_first: Unknown policy 15168 Message-ID: <20210720160704.GA35184@troutmask.apl.washington.edu> References: <20210719220219.GA1010@troutmask.apl.washington.edu> <20210720020503.GA32856@troutmask.apl.washington.edu> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210720020503.GA32856@troutmask.apl.washington.edu> X-Rspamd-Queue-Id: 4GTkB31Ymgz4vpB X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=washington.edu (policy=none); spf=none (mx1.freebsd.org: domain of sgk@troutmask.apl.washington.edu has no SPF policy when checking 128.95.76.21) smtp.mailfrom=sgk@troutmask.apl.washington.edu X-Spamd-Result: default: False [-1.01 / 15.00]; MID_RHS_MATCH_FROM(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[128.95.76.21:from]; DMARC_POLICY_SOFTFAIL(0.10)[washington.edu : No valid SPF, No valid DKIM,none]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.97)[-0.969]; MIME_GOOD(-0.10)[text/plain]; NEURAL_SPAM_MEDIUM(0.96)[0.955]; SPAMHAUS_ZRD(0.00)[128.95.76.21:from:127.0.2.255]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:73, ipnet:128.95.0.0/16, country:US]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N 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=, ap=) > > > at /usr/src/sys/kern/kern_shutdown.c:919 > > > #4 0xffffffff805fe4b3 in panic (fmt=) > > > at /usr/src/sys/kern/kern_shutdown.c:843 > > > #5 0xffffffff8085dcbb in vm_domainset_iter_first (di=, > > > domain=) 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=, pindex@entry=16931, > > > domain=domain@entry=0xfffffe012ae5e2f4, req=, > > > 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=, pindex@entry=16931, domain=domain@entry=0xfffffe012ae5e2f4, req=, 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@", } (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