From owner-freebsd-bugs@freebsd.org Wed Oct 5 18:46:04 2016 Return-Path: Delivered-To: freebsd-bugs@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 85BBEAF6548 for ; Wed, 5 Oct 2016 18:46:04 +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 6C0ABC60 for ; Wed, 5 Oct 2016 18:46:04 +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 u95Ik4Px057343 for ; Wed, 5 Oct 2016 18:46:04 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 213232] [tcp] [panic] tcp_output() Panic String: tcp_output: len > IP_MAXPACKET (at r306658) Date: Wed, 05 Oct 2016 18:46:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: hiren@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Oct 2016 18:46:04 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213232 Bug ID: 213232 Summary: [tcp] [panic] tcp_output() Panic String: tcp_output: len > IP_MAXPACKET (at r306658) Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: hiren@FreeBSD.org (kgdb) bt #0 __curthread () at ./machine/pcpu.h:221 #1 doadump (textdump=3D492866688) at /d0/hiren/freebsd/sys/kern/kern_shutdown.c:298 #2 0xffffffff80395066 in db_fncall_generic (nargs=3D0, addr=3D, rv=3D, args=3D, dummy2=3D, dummy3=3D, dummy4=3D) at /d0/hiren/freebsd/sys/ddb/db_command.c:629 #4 0xffffffff80394bc9 in db_command (last_cmdp=3D, cmd_table=3D, dopager=3D at /d0/hiren/freebsd/sys/ddb/db_command.c:453 #5 0xffffffff80394924 in db_command_loop () at /d0/hiren/freebsd/sys/ddb/db_command.c:506 #6 0xffffffff803979df in db_trap (type=3D, code=3D) at /d0/hiren/freebsd/sys/ddb/db_main #7 0xffffffff80a90003 in kdb_trap (type=3D, code=3D, tf=3D) at /d0/hiren/fr #8 0xffffffff80ec5ce4 in trap (frame=3D0xfffffe201d6090f0) at /d0/hiren/freebsd/sys/amd64/amd64/trap.c:559 #9 #10 kdb_enter (why=3D0xffffffff813f7eb8 "panic", msg=3D0x80 ) at /d0/hiren #11 0xffffffff80a4e41f in vpanic (fmt=3D, ap=3D0xfffffe201d6= 09280) at /d0/hiren/freebsd/sys/kern/kern_sh #12 0xffffffff80a4e276 in kassert_panic (fmt=3D0xffffffff8142a88d "%s: len > IP_MAXPACKET") at /d0/hiren/freebsd/sys/ #13 0xffffffff80c3660a in tcp_output (tp=3D) at /d0/hiren/freebsd/sys/netinet/tcp_output.c:987 #14 0xffffffff80c333a2 in tcp_do_segment (m=3D, th=3D, so=3D, tp=3D, iptos=3D, ti_locked=3D, offp=3D, proto=3D) at /d0/hiren/ #16 0xffffffff80bbc901 in ip_input (m=3D0x4) at /d0/hiren/freebsd/sys/netinet/ip_input.c:809 #17 0xffffffff80b57630 in netisr_dispatch_src (proto=3D1, source=3D0, m=3D0xfffff807bf186300) at /d0/hiren/freebsd/sys/ne #18 0xffffffff80b4183a in ether_demux (ifp=3D, m=3D0x80) at /d0/hiren/freebsd/sys/net/if_ethersubr.c:848 #19 0xffffffff80b42637 in ether_input_internal (ifp=3D, m=3D= 0x80) at /d0/hiren/freebsd/sys/net/if_ethers #20 ether_nh_input (m=3D) at /d0/hiren/freebsd/sys/net/if_ethersubr.c:667 #21 0xffffffff80b57630 in netisr_dispatch_src (proto=3D5, source=3D0, m=3D0xfffff807bf186300) at /d0/hiren/freebsd/sys/ne #22 0xffffffff80b41ba2 in ether_input (ifp=3D, m=3D0x0) at /d0/hiren/freebsd/sys/net/if_ethersubr.c:757 #23 0xffffffff805e2dcb in ixgbe_rx_input (rxr=3D, ifp=3D, m=3D0xfffff807bf186300, ptype=3D) at /d0/hiren/freebsd/sys/dev/ixgbe/ix_txrx.c:1985 #25 0xffffffff805da70c in ixgbe_msix_que (arg=3D0xfffff80114812870) at /d0/hiren/freebsd/sys/dev/ixgbe/if_ix.c:1572 #26 0xffffffff80a147a6 in intr_event_execute_handlers (p=3D, ie=3D) at /d0/hiren/freebsd/ #27 0xffffffff80a14e26 in ithread_execute_handlers (ie=3D, p=3D) at /d0/hiren/freebsd/sys #28 ithread_loop (arg=3D) at /d0/hiren/freebsd/sys/kern/kern_intr.c:1356 #29 0xffffffff80a11eb4 in fork_exit (callout=3D0xffffffff80a14d80 , arg=3D0xfffff801147babe0, frame=3D0xfff at /d0/hiren/freebsd/sys/kern/kern_fork.c:1038 #30 (kgdb)=20 This box paniced while sitting idle. Just running -head and no special conf= igs. ix0@pci0:4:0:0: class=3D0x020000 card=3D0x061115d9 chip=3D0x10fb8086 rev=3D= 0x01 hdr=3D0x00 vendor =3D 'Intel Corporation' device =3D '82599ES 10-Gigabit SFI/SFP+ Network Connection' class =3D network subclass =3D ethernet tso is on. http://svn.freebsd.org/changeset/base/211317 added the check where its panicing.=20 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D132832 which caused r21= 1317 I've not looked at it into much detail. --=20 You are receiving this mail because: You are the assignee for the bug.=