From owner-freebsd-current@freebsd.org Tue Nov 17 18:19:23 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5F15346BB4B for ; Tue, 17 Nov 2020 18:19:23 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CbDjj0HFJz3GZg for ; Tue, 17 Nov 2020 18:19:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 0AHIJCfm088394 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 17 Nov 2020 20:19:15 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 0AHIJCfm088394 Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 0AHIJCfm088393; Tue, 17 Nov 2020 20:19:12 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 17 Nov 2020 20:19:12 +0200 From: Konstantin Belousov To: Johan Hendriks Cc: freebsd-current@freebsd.org Subject: Re: Samba kernel panics. Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on tom.home X-Rspamd-Queue-Id: 4CbDjj0HFJz3GZg X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.47 / 15.00]; RCVD_TLS_ALL(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; NEURAL_HAM_LONG(-1.00)[-1.000]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; SPAMHAUS_ZRD(0.00)[2001:470:d5e7:1::1:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2001:470:d5e7:1::1:from]; NEURAL_HAM_SHORT(-0.47)[-0.470]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-current]; DMARC_POLICY_SOFTFAIL(0.10)[gmail.com : No valid SPF, No valid DKIM,none] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Nov 2020 18:19:23 -0000 On Tue, Nov 17, 2020 at 06:20:31PM +0100, Johan Hendriks wrote: > Hello all after updating FreeBSD13 from r367724 to r367755 my samba server > craches the server. > I did rebuild samba 4.11 but that does not help. > > The output on the console is the following. > > Fatal trap 12: page fault while in kernel mode > cpuid =3; apic id = 06 > fault virtual address    = 0x803a122b8 > fault code                   = supervisor read instruction, protection > violation > instruction pointer      = 0x20:0x803a122b8 > stack pointer               = 0x28:0xfffffe0127733a50 > frame pointer              = 0x28:0x803a122b0 > code segment             = base 0x0, limit 0xfffff, type 0x1b >                                    = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags          = 17340 (smbd) > trap number                = 12 > panic: page fault > cpuid =3 > time = 1605632521 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_setf_wrapper+0x2b/frame > 0xfffffe0127733700 > vpanic() at vpanic+0x182/frame 0xfffffe0127733750 > panic() at panic+0x43/frame 0xfffffe01277337b0 > trap_fatal() at trap_fatal+0x387/frame 0xfffffe0127733810 > trap_pfault() at trap_pfault+0x4f/frame 0xfffffe0127733870 > trap() at trap+0x27d/frame 0xfffffe0127733980 > calltrap() at caltrap+0x8/frame 0xfffffe0127733980 > --- trap 0xc, rip = 0x803a122b8, rsp = 0xfffffe0127733a50, rbp = 0x803a122b0 > --- > KDB: enter: panic > [ thread pid 17340 tid 101772 ] > stopped at        kdb_enter+0x37: movq     $0,0x1fa9446(%rip) > db> This looks like SMEP catching an issue, but it is not clear why. Did you clean rebuild of the kernel ? What filesystems types do you use ? Can you bisect ? I would actually suspect not clean rebuild after recent changes to kern_event.c.