From owner-freebsd-current@FreeBSD.ORG Fri Apr 9 21:11:56 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E76DE1065673 for ; Fri, 9 Apr 2010 21:11:56 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 251DF8FC1A for ; Fri, 9 Apr 2010 21:11:55 +0000 (UTC) Received: by wyb28 with SMTP id 28so248317wyb.13 for ; Fri, 09 Apr 2010 14:11:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:cc:content-type; bh=+YdQluIevLR1eQ0SzZPisNSABAghnDCCZT7v3cLNDj8=; b=LYV68bmc2mCwPaaGTaiO7yqpNEIg7dUFyDqSyhvDPBTPbo6Mbc29KbJH9SE65L1zeY BoKD99qurNRG3jKig6OYwBLUO0bVUrnGxVNbzF/M6PMjaXzBvomJ6VpMTvA3DRdax1CP 8p/K0pGSxOL6u475cA8gnj9l4magelVqivGLU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=fxmW54qXjY2xh1IPiUsM3N8KdtPY8Nwd23IgIfOgrI856O+Zxk+1cSIMAPIYZnmExp Ek/2Az+ECQgb24hmTg0Ldk5F64xyQQM1GMglkxHJw56cQPw3DD3FkKcLZtX+gYjdvWfT kT5ddqfAhKcb3lDyFmyoxZ9vK8aAuzMlBhGco= MIME-Version: 1.0 Received: by 10.216.11.8 with HTTP; Fri, 9 Apr 2010 14:11:54 -0700 (PDT) In-Reply-To: <201004092105.o39L5SSh052323@lava.sentex.ca> References: <201004081831.o38IVR3s043434@lava.sentex.ca> <20100408230750.GR5734@michelle.cdnetworks.com> <201004091317.o39DHFEl049965@lava.sentex.ca> <20100409164115.GB1085@michelle.cdnetworks.com> <201004091900.o39J0b0k051687@lava.sentex.ca> <20100409201307.GF1085@michelle.cdnetworks.com> <201004092105.o39L5SSh052323@lava.sentex.ca> Date: Fri, 9 Apr 2010 14:11:54 -0700 Received: by 10.216.157.202 with SMTP id o52mr322693wek.227.1270847514926; Fri, 09 Apr 2010 14:11:54 -0700 (PDT) Message-ID: From: Jack Vogel To: Mike Tancsa Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: pyunyh@gmail.com, freebsd-current@freebsd.org Subject: Re: LOR on em in HEAD ( was Re: em driver regression X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Fri, 09 Apr 2010 21:11:57 -0000 Don't know, but I would just ignore it, I think its a false warning anyway. Jack On Fri, Apr 9, 2010 at 2:05 PM, Mike Tancsa wrote: > At 04:13 PM 4/9/2010, Pyun YongHyeon wrote: > >> On Fri, Apr 09, 2010 at 12:09:24PM -0700, Jack Vogel wrote: >> > Someone else also pointed this out. I'm dubious about its claim. >> >> I can't reproduce the LOR with latest em(4)(r206429). >> > > > I still get it for some reason > > 1st 0xc5dc7610 em1:rx(1) (em1:rx(1)) @ > /usr/HEAD/src/sys/modules/em/../../dev/e1000/if_em.c:4087 > 2nd 0xc0f7df0c udp (udp) @ /usr/HEAD/src/sys/netinet/udp_usrreq.c:454 > KDB: stack backtrace: > db_trace_self_wrapper(c0cb4313,c5b72a64,c08e4305,c08d467b,c0cb7338,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(c08d467b,c0cb7338,c5d31a98,c5d2cb60,c5b72ac0,...) at > kdb_backtrace+0x29 > _witness_debugger(c0cb7338,c0f7df0c,c0c9c4eb,c5d2cb60,c0ccfaf7,...) at > _witness_debugger+0x25 > witness_checkorder(c0f7df0c,1,c0ccfaf7,1c6,0,...) at > witness_checkorder+0x839 > _rw_rlock(c0f7df0c,c0ccfaf7,1c6,c5d33088,c5e8be24,...) at _rw_rlock+0x9c > udp_input(c6905900,14,0,c5e8bd80,c0df9ee0,...) at udp_input+0x246 > ip_input(c6905900,c5f39240,c5b72bdc,c0745956,c0df9ee0,...) at > ip_input+0x606 > netisr_dispatch_src(1,0,c6905900,c5b72c14,c0954161,...) at > netisr_dispatch_src+0xcd > netisr_dispatch(1,c6905900,c6018c00,c6018c00,c6925800,...) at > netisr_dispatch+0x20 > ether_demux(c6018c00,c6905900,3,0,3,...) at ether_demux+0x1a1 > ether_input(c6018c00,c6905900,c119f2d7,ff7,63,...) at ether_input+0x365 > em_rxeof(c5e8bd80,109,c6016180,0,c5b72cc8,...) at em_rxeof+0x133 > em_msix_rx(c5dc7600,c5b72cc8,c088e0b4,c0e13740,c60342b8,...) at > em_msix_rx+0x25 > intr_event_execute_handlers(c5d807f8,c6034280,c0cac35e,533,c60342f0,...) at > intr_event_execute_handlers+0x125 > ithread_loop(c603b4a0,c5b72d38,c0cac0cd,343,c5d807f8,...) at > ithread_loop+0x9f > fork_exit(c0876da0,c603b4a0,c5b72d38) at fork_exit+0xb8 > > fork_trampoline() at fork_trampoline+0x8 > --- trap 0, eip = 0, esp = 0xc5b72d70, ebp = 0 --- > > Perhaps because multi-queue is still enabled ? > > > 0(i5b)% vmstat -i > interrupt total rate > irq4: uart0 6637 28 > irq21: ehci0 382 1 > irq23: ehci1 615 2 > cpu0: timer 462573 1993 > irq256: em0 7640 32 > irq257: em1 5 0 > irq258: em1 6 0 > > irq261: em1 2 0 > irq262: ahci0 69 0 > cpu3: timer 461507 1989 > cpu2: timer 460985 1987 > cpu1: timer 461545 1989 > Total 1861966 8025 > 0(i5b)% > > > em0: port 0x3040-0x305f mem > 0xc1b00000-0xc1b1ffff,0xc1b25000-0xc1b25fff irq 20 at device 25.0 on pci0 > em0: Using MSI interrupt > em0: [FILTER] > em0: Ethernet address: 00:15:17:c8:4b:99 > ehci0: mem 0xc1b22000-0xc1b223ff irq > 21 at device 26.0 on pci0 > ehci0: [ITHREAD] > usbus0: EHCI version 1.0 > usbus0: on ehci0 > pcib2: irq 16 at device 28.0 on pci0 > pci2: on pcib2 > pcib3: irq 16 at device 28.4 on pci0 > pci3: on pcib3 > em1: port 0x1000-0x101f mem > 0xc1900000-0xc191ffff,0xc1920000-0xc1923fff irq 16 at device 0.0 on pci3 > em1: Using MSIX interrupts with 5 vectors > em1: [ITHREAD] > em1: [ITHREAD] > em1: [ITHREAD] > em1: [ITHREAD] > em1: [ITHREAD] > em1: Ethernet address: 00:15:17:c8:4b:98 > > > > -------------------------------------------------------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet since 1994 www.sentex.net > Cambridge, Ontario Canada www.sentex.net/mike > >