Date: Mon, 7 Jul 2014 17:08:26 +0200 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Borja Marcos <borjam@sarenet.es> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, Stable Stable <freebsd-stable@freebsd.org> Subject: Re: Fix Emulex "oce" driver in CURRENT Message-ID: <CA%2BhQ2%2BhUPhrTM_4rPNwg%2BetL18xLhf7Ycg=CZpxGc53bprQC-g@mail.gmail.com> In-Reply-To: <6C8CF68D-68E2-4168-AA0A-6A629D363371@sarenet.es> References: <CA%2BhQ2%2BimE=%2BncZwpHGhWb175mYiAKV78MV=Dfc1GJf=3XYciPQ@mail.gmail.com> <453BA9EC-BB63-4258-8141-847F41315E1E@sarenet.es> <CA%2BhQ2%2BjaP2fuMaCoorLpGu=uWDPgHy3at5UdtLAOXM2d6uoWkg@mail.gmail.com> <6C8CF68D-68E2-4168-AA0A-6A629D363371@sarenet.es>
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On Mon, Jul 7, 2014 at 1:57 PM, Borja Marcos <borjam@sarenet.es> wrote: ... > The environment details are here: > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=183391 > > The way I produce an instant panic is: > > 1) Connect to another machine (cross connect cable) > > 2) iperf3 -s on the other machine > (The other machine is different, it has an "ix" card) > > 3) iperf3 -t 30 -P 4 -c 10.0.0.1 -N > > In less than 30 seconds, panic. > > > > mierda dumped core - see /var/crash/vmcore.0 > > Mon Jul 7 13:06:44 CEST 2014 > > FreeBSD mierda 10.0-STABLE FreeBSD 10.0-STABLE #2: Mon Jul 7 11:41:45 CEST 2014 root@mierda:/usr/obj/usr/src/sys/GENERIC amd64 > > panic: sbsndptr: sockbuf 0xfffff800a70489b0 and mbuf 0xfffff801a3326e00 clashing > > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"... > > Unread portion of the kernel message buffer: > panic: sbsndptr: sockbuf 0xfffff800a70489b0 and mbuf 0xfffff801a3326e00 clashing > cpuid = 12 > KDB: stack backtrace: > #0 0xffffffff8092a470 at kdb_backtrace+0x60 > #1 0xffffffff808ef9c5 at panic+0x155 > #2 0xffffffff80962710 at sbdroprecord_locked+0 > #3 0xffffffff80a8ba8c at tcp_output+0xdbc > #4 0xffffffff80a8987f at tcp_do_segment+0x30ff > #5 0xffffffff80a85b34 at tcp_input+0xd04 > #6 0xffffffff80a1af57 at ip_input+0x97 > #7 0xffffffff809ba512 at netisr_dispatch_src+0x62 > #8 0xffffffff809b1ae6 at ether_demux+0x126 > #9 0xffffffff809b278e at ether_nh_input+0x35e > #10 0xffffffff809ba512 at netisr_dispatch_src+0x62 > #11 0xffffffff81c19ab9 at oce_rx+0x3c9 > #12 0xffffffff81c19536 at oce_rq_handler+0xb6 > #13 0xffffffff81c1bb1c at oce_intr+0xdc > #14 0xffffffff80938b35 at taskqueue_run_locked+0xe5 > #15 0xffffffff809395c8 at taskqueue_thread_loop+0xa8 > #16 0xffffffff808c057a at fork_exit+0x9a > #17 0xffffffff80ccb51e at fork_trampoline+0xe > Uptime: 51m20s ah, that seems a bug on the receive side, we were only looking at the transmit side so far. cheers luigi
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