From owner-freebsd-current@freebsd.org Sat Jul 13 22:16:32 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 0371415CE6D5; Sat, 13 Jul 2019 22:16:32 +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 4821B71B8B; Sat, 13 Jul 2019 22:16:31 +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:References:In-Reply-To:Subject:Cc:To:From:Date: Content-Transfer-Encoding:Content-Type:MIME-Version:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=KRQ5QYusK/U7yRzJkAONRiCPqCS38pCV1hBdFAh/h/w=; b=MMMFDKp4xJwAcqHFIwOFcWmBGj /LxhBifA5MiNgks5xu8mqMl7Aaqg2TcKbDFFho4Z+WEiDy18LsSsnZxbOLl2GllpDvEb8f5UWRkEJ GiPufcxU7qlAxCfap7JQ8yrj0Zc+iYBYHUU/qgNrivjxD71QSFbuHdiKxxIbP6c3ZuGZoEUtLQhpb J2pV7BzE1V5fWaRzipSoJrVOseAebRy2rHBNRkng7pt0JuR1rvzTos1m86mAdTGgPXSQRlsRlnlno h9oHrObDrGCIY5mYd8dH/YEYD0uyxUtxyeZAuCb6jeW4VU/ti7vgFdgJyilnwwFNvjVLigAwXm3EA vGCP9KIg==; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:bb:dcff:fe50:d900]:20620 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 1hmQJi-0008HZ-Gx; Sat, 13 Jul 2019 17:16:30 -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 17:16:30 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Sat, 13 Jul 2019 17:16:30 -0500 From: Larry Rosenman To: Konstantin Belousov Cc: Freebsd current , owner-freebsd-current@freebsd.org Subject: Re: panic: vm_page_free_prep: freeing mapped page In-Reply-To: <20190713221457.GP47193@kib.kiev.ua> References: <20190713221457.GP47193@kib.kiev.ua> 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 22:16:32 -0000 On 07/13/2019 5:14 pm, Konstantin Belousov wrote: > On Sat, Jul 13, 2019 at 04:50:57PM -0500, Larry Rosenman wrote: >> 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=> out>) >> 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=> out>) >> 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=> out>, >> 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) > > What was the process which caused the panic ? Was it threaded ? > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" It was a poudriere run, so I don't know for sure. -- 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