From owner-freebsd-bugs@FreeBSD.ORG Mon Apr 28 04:20:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 803451065676 for ; Mon, 28 Apr 2008 04:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 5AACA8FC22 for ; Mon, 28 Apr 2008 04:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m3S4K21w011899 for ; Mon, 28 Apr 2008 04:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m3S4K2kb011898; Mon, 28 Apr 2008 04:20:02 GMT (envelope-from gnats) Resent-Date: Mon, 28 Apr 2008 04:20:02 GMT Resent-Message-Id: <200804280420.m3S4K2kb011898@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, tempo Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CA1BC106567F for ; Mon, 28 Apr 2008 04:13:37 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id B5E778FC19 for ; Mon, 28 Apr 2008 04:13:37 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m3S4D2EY006828 for ; Mon, 28 Apr 2008 04:13:02 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m3S4D2bq006827; Mon, 28 Apr 2008 04:13:02 GMT (envelope-from nobody) Message-Id: <200804280413.m3S4D2bq006827@www.freebsd.org> Date: Mon, 28 Apr 2008 04:13:02 GMT From: tempo To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/123160: Panic and reboot at sysctl kern.polling.enable=0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Apr 2008 04:20:02 -0000 >Number: 123160 >Category: kern >Synopsis: Panic and reboot at sysctl kern.polling.enable=0 >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 28 04:20:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: tempo >Release: 7.0-STABLE >Organization: tempo >Environment: FreeBSD pppoe 7.0-STABLE FreeBSD 7.0-STABLE #4: Thu Feb 28 17:36:09 KRAT 2008 tempo@pppoe1:/usr/obj/usr/src/sys/PPPoE i386 >Description: Is available pppoe a server, on it is the order of 700 clients, loading on a network 500 mbit. is one em0 and 300 vlans. At change kern.polling.enable=0 or kern.polling.enable=1, the system panics. The panic can happens also itself, after several business hours. In rules ipfw 92 lines, from them 34 pipe. A panic have begun after addition pipe on a server, before uptime there were 80 days. The panic can happen and itself, after several business hours. (kgdb) bt #0 doadump () at pcpu.h:195 #1 0xc0566ba7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xc0566e69 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:563 #3 0xc079bd5c in trap_fatal (frame=0xd4b22a90, eva=12) at /usr/src/sys/i386/i386/trap.c:899 #4 0xc079bfc0 in trap_pfault (frame=0xd4b22a90, usermode=0, eva=12) at /usr/src/sys/i386/i386/trap.c:812 #5 0xc079c942 in trap (frame=0xd4b22a90) at /usr/src/sys/i386/i386/trap.c:490 #6 0xc07832cb in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc05b1e56 in m_copym (m=0x0, off0=2992, len=1496, wait=1) at /usr/src/sys/kern/uipc_mbuf.c:539 #8 0xc062a615 in ip_fragment (ip=0xc3b8c002, m_frag=0xd4b22bac, mtu=1500, if_hwassist_flags=38, sw_csum=1) at /usr/src/sys/netinet/ip_output.c:726 #9 0xc061ea6a in ip_fastforward (m=0xc608b400) at /usr/src/sys/netinet/ip_fastfwd.c:568 #10 0xc05fc795 in ether_demux (ifp=0xc2a59000, m=0xc608b400) at /usr/src/sys/net/if_ethersubr.c:770 #11 0xc05fcbc3 in ether_input (ifp=0xc2a59000, m=0xc608b400) at /usr/src/sys/net/if_ethersubr.c:692 #12 0xc04901b3 in em_rxeof (adapter=0xc2a18000, count=1) at /usr/src/sys/dev/em/if_em.c:4542 #13 0xc0490bda in em_poll (ifp=0xc2a59000, cmd=POLL_ONLY, count=5) at /usr/src/sys/dev/em/if_em.c:1433 #14 0xc055babb in netisr_poll () at /usr/src/sys/kern/kern_poll.c:432 #15 0xc0605762 in swi_net (dummy=0x0) at /usr/src/sys/net/netisr.c:254 #16 0xc0548d1b in ithread_loop (arg=0xc2983260) at /usr/src/sys/kern/kern_intr.c:1036 #17 0xc0545b19 in fork_exit (callout=0xc0548b70 , arg=0xc2983260, frame=0xd4b22d38) at /usr/src/sys/kern/kern_fork.c:781 #18 0xc0783340 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:205 >How-To-Repeat: To establish mpd5 on freebsd 7., to connect 700 clients to it and to include pipes/ >Fix: I do not know >Release-Note: >Audit-Trail: >Unformatted: