From owner-freebsd-net@freebsd.org Wed Sep 23 08:37:51 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E5197A076D4 for ; Wed, 23 Sep 2015 08:37:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C9F3B1CB2 for ; Wed, 23 Sep 2015 08:37:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id t8N8bow5089558 for ; Wed, 23 Sep 2015 08:37:50 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 203175] Daily kernel crashes in tcp_twclose
on 10.2-p2 using VIMAGE Date: Wed, 23 Sep 2015 08:37:50 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: girgen@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Sep 2015 08:37:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203175 --- Comment #6 from Palle Girgensohn --- I got a fresh core dump from another machine with the same setup. WITNESS, VARIANTS etc all turned on. Attached the quite long out put from "info threads" as well. We *really* need to find a way to stop our servers from crashing, so any help appreciated! (kgdb) bt #0 doadump (textdump=) at pcpu.h:219 #1 0xffffffff80945d02 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:451 #2 0xffffffff809460e5 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:758 #3 0xffffffff80945f73 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:687 #4 0xffffffff80d595cb in trap_fatal (frame=, eva=) at /usr/src/sys/amd64/amd64/trap.c:851 #5 0xffffffff80d598cd in trap_pfault (frame=0xfffffe00003cc700, usermode=) at /usr/src/sys/amd64/amd64/trap.c:674 #6 0xffffffff80d58f6a in trap (frame=0xfffffe00003cc700) at /usr/src/sys/amd64/amd64/trap.c:440 #7 0xffffffff80d3ef72 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #8 0xffffffff8099487c in turnstile_broadcast (ts=0x0, queue=1) at /usr/src/sys/kern/subr_turnstile.c:838 #9 0xffffffff80944380 in __rw_wunlock_hard (c=0xfffff803755e9928, tid=1, file=0x1
, line=1) at /usr/src/sys/kern/kern_rwlock.c:988 #10 0xffffffff80b02b24 in tcp_twclose (tw=, reuse=) at /usr/src/sys/netinet/tcp_timewait.c:540 #11 0xffffffff80b0316b in tcp_tw_2msl_scan (reuse=0) at /usr/src/sys/netinet/tcp_timewait.c:748 #12 0xffffffff80b00e7e in tcp_slowtimo () at /usr/src/sys/netinet/tcp_timer.c:198 #13 0xffffffff809b3c74 in pfslowtimo (arg=0x0) at /usr/src/sys/kern/uipc_domain.c:508 #14 0xffffffff8095bb7b in softclock_call_cc (c=0xffffffff8161bbf0, cc=0xffffffff81698d00, direct=0) at /usr/src/sys/kern/kern_timeout.c:685 #15 0xffffffff8095bfa4 in softclock (arg=0xffffffff81698d00) at /usr/src/sys/kern/kern_timeout.c:814 #16 0xffffffff80911c3b in intr_event_execute_handlers (p=, ie=0xfffff8010bbabc00) at /usr/src/sys/kern/kern_intr.c:1264 #17 0xffffffff80912086 in ithread_loop (arg=0xfffff801102abf40) at /usr/src/sys/kern/kern_intr.c:1277 #18 0xffffffff8090f78a in fork_exit (callout=0xffffffff80911ff0 , arg=0xfffff801102abf40, frame=0xfffffe00003ccac0) at /usr/src/sys/kern/kern_fork.c:1018 #19 0xffffffff80d3f4ae in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #20 0x0000000000000000 in ?? () Current language: auto; currently minimal (kgdb) info threads -- You are receiving this mail because: You are the assignee for the bug.