From owner-freebsd-current@freebsd.org Sat Jul 13 21:51:01 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 15DAA15CDC90 for ; Sat, 13 Jul 2019 21:51:01 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (ns-b.lerctr.org [IPv6:2001:470:1f0f:3ad::53:2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "*.lerctr.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1A4CF70C46 for ; Sat, 13 Jul 2019 21:51:00 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=ler2019; h=Message-ID:Subject:To:From:Date:Content-Transfer-Encoding: Content-Type:MIME-Version:Sender:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=vEOUj9fqqYV/0qeQzgdwh8MObdKC3tLXjmJVCsZPS28=; b=pH/wIwNfN/bFVL9EzAdE4mSr7d jYtmqDT47h2OwrXJO9kyJXZsKwTTD+y9AA16drr4Ie6hTjmxNuUaE2Ff1YzXWnSpa/VE4BFjEJyKQ RsusXbWdZP/ydIPxImzzR9qc2UqgPvBZfBv8UC9w04GDnYlNOEWSyFqG2Ck+/bOibNR6MjxYwlq3C 9cwIQtRdfTHvEB+jA91tmWDS3YBvq89Di27myuIurv/F7zZ7V0DB1X6vkoA21D2loQ2uMVTPHH9xI SN5ayJql8CbnhYdEbZL1tCFUrO1wmAATXpw/YolVCrGCWWaPLXwxosyheku2ekqc727/Eq/XObG/I UEsCb+9A==; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:bb:dcff:fe50:d900]:25227 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92 (FreeBSD)) (envelope-from ) id 1hmPuz-0007rQ-U8 for freebsd-current@freebsd.org; Sat, 13 Jul 2019 16:50:58 -0500 Received: from 2600:1700:210:b180:f157:6b99:8553:a9d by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Sat, 13 Jul 2019 16:50:57 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Sat, 13 Jul 2019 16:50:57 -0500 From: Larry Rosenman To: Freebsd current Subject: panic: vm_page_free_prep: freeing mapped page Message-ID: X-Sender: ler@lerctr.org User-Agent: Roundcube Webmail/1.3.9 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Sat, 13 Jul 2019 21:51:01 -0000 I have cores. Ideas? svn rev: r349976 [I] ➜ more core.txt.12 borg.lerctr.org dumped core - see /var/crash/vmcore.12 Sat Jul 13 16:47:03 CDT 2019 FreeBSD borg.lerctr.org 13.0-CURRENT FreeBSD 13.0-CURRENT r349976 LER-MINIMAL amd64 panic: vm_page_free_prep: freeing mapped page 0xfffff82031044790 GNU gdb (GDB) 8.3 [GDB v8.3 for FreeBSD] Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd13.0". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: panic: vm_page_free_prep: freeing mapped page 0xfffff82031044790 cpuid = 21 time = 1563053382 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe018f9fd890 vpanic() at vpanic+0x19d/frame 0xfffffe018f9fd8e0 panic() at panic+0x43/frame 0xfffffe018f9fd940 vm_page_free_prep() at vm_page_free_prep+0x18a/frame 0xfffffe018f9fd960 vm_page_free_toq() at vm_page_free_toq+0x12/frame 0xfffffe018f9fd990 vm_object_terminate() at vm_object_terminate+0x1db/frame 0xfffffe018f9fd9e0 vm_object_deallocate() at vm_object_deallocate+0x412/frame 0xfffffe018f9fda40 vm_map_process_deferred() at vm_map_process_deferred+0x7f/frame 0xfffffe018f9fda60 kern_munmap() at kern_munmap+0x181/frame 0xfffffe018f9fdad0 amd64_syscall() at amd64_syscall+0x25c/frame 0xfffffe018f9fdbf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe018f9fdbf0 --- syscall (73, FreeBSD ELF64, sys_munmap), rip = 0x80119978a, rsp = 0x7fffffffce18, rbp = 0x7fffffffce20 --- Uptime: 2h27m22s Dumping 15640 out of 131026 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% __curthread () at /usr/src/sys/amd64/include/pcpu.h:246 246 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (OFFSETOF_CURTHREAD)); (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu.h:246 #1 doadump (textdump=1) at /usr/src/sys/kern/kern_shutdown.c:392 #2 0xffffffff804b6620 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:479 #3 0xffffffff804b6a99 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:905 #4 0xffffffff804b67d3 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:832 #5 0xffffffff8076c21a in vm_page_free_prep (m=0xfffff82031044790) at /usr/src/sys/vm/vm_page.c:3273 #6 0xffffffff80768152 in vm_page_free_toq (m=0xfffff82031044790) at /usr/src/sys/vm/vm_page.c:3483 #7 0xffffffff8076321b in vm_object_terminate_pages (object=) at /usr/src/sys/vm/vm_object.c:726 #8 vm_object_terminate (object=0xfffff81b924c9600) at /usr/src/sys/vm/vm_object.c:798 #9 0xffffffff80762582 in vm_object_deallocate (object=0xfffff81b924c9600) at /usr/src/sys/vm/vm_object.c:663 #10 0xffffffff80756aef in vm_map_entry_deallocate (entry=, system_map=0) at /usr/src/sys/vm/vm_map.c:3457 #11 vm_map_process_deferred () at /usr/src/sys/vm/vm_map.c:586 #12 0xffffffff807606b1 in kern_munmap (td=0xfffff80c207e0000, addr0=, size=149200896) at /usr/src/sys/vm/vm_mmap.c:603 #13 0xffffffff807adaac in syscallenter (td=0xfffff80c207e0000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135 #14 amd64_syscall (td=0xfffff80c207e0000, traced=0) at /usr/src/sys/amd64/amd64/trap.c:1181 #15 #16 0x000000080119978a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffce18 (kgdb) -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106