Date: Mon, 20 Oct 2014 09:36:57 +0200 From: "Tobias C. Berner" <tcberner@gmail.com> To: freebsd-current@freebsd.org Cc: araujo@freebsd.org, Allan Jude <allanjude@freebsd.org> Subject: Re: kernel page fault with nfs Message-ID: <9401112.gOMxVk2Kpo@noxon.firefly> In-Reply-To: <8773412.LsFmcEyqqY@noxon.firefly> References: <3430961.Iq02vNgBU7@noxon.firefly> <CAOfEmZh3L54UAhFhszC6V90QpdXT8hRUJxj2KP9FaNt7HTN83Q@mail.gmail.com> <8773412.LsFmcEyqqY@noxon.firefly>
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Now that I posted it, 32767 should of course be 2^15=32768. Let me recheck if it still hangs with the correct value. On Monday 20 October 2014 09.15:39 Tobias C. Berner wrote: > Hi Marcelo > > Yes, I'm using readahead: > The mountoptions are > "readahead=4,soft,intr,rw,tcp,wsize=32767,rsize=32767,late" > > > mfg Tobias > > On Monday 20 October 2014 10.41:30 Marcelo Araujo wrote: > > Hello Tobias, > > > > Could you show how you are mount the NFS share? > > Are you using 'readahead' option? > > > > Best Regards, > > > > 2014-10-19 17:40 GMT+08:00 Tobias C. Berner <tcberner@gmail.com>: > > > both are at 1100038. > > > > > > On Sunday 19 October 2014 11.12:36 Marcelo Araujo wrote: > > > > It is still strange, could you do what Allan said and send us the > > > > result > > > > > > in > > > > > > > case you are not sure you have world and kernel in the same revision! > > > > > > > > On Oct 19, 2014 6:48 AM, "Tobias C. Berner" <tcberner@gmail.com> wrote: > > > > > Hi > > > > > > > > > > World ist from october 16, installed world and kernel then. > > > > > > > > > > Kernel was later rebuilt with debug-options. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Is the following more sensible? > > > > > > > > > > ################################################## > > > > > > > > > > # kgdb NOXON/kernel.debug vmcore.1 > > > > > > > > > > Fatal trap 12: page fault while in kernel mode > > > > > > > > > > cpuid = 5; apic id = 05 > > > > > > > > > > fault virtual address = 0xfffffe07d1744000 > > > > > > > > > > fault code = supervisor write data, page not present > > > > > > > > > > instruction pointer = 0x20:0xffffffff80d4d58a > > > > > > > > > > stack pointer = 0x28:0xfffffe086057f240 > > > > > > > > > > frame pointer = 0x28:0xfffffe086057f2f0 > > > > > > > > > > code segment = base 0x0, limit 0xfffff, type 0x1b > > > > > > > > > > = DPL 0, pres 1, long 1, def32 0, gran 1 > > > > > > > > > > processor eflags = interrupt enabled, resume, IOPL = 0 > > > > > > > > > > current process = 6524 (python2.7) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > (kgdb) bt > > > > > > > > > > #0 doadump (textdump=1) at pcpu.h:219 > > > > > > > > > > #1 0xffffffff80926b6d in kern_reboot (howto=260) at > > > > > /usr/src/sys/kern/kern_shutdown.c:447 > > > > > > > > > > #2 0xffffffff809270c0 in panic (fmt=<value optimized out>) at > > > > > /usr/src/sys/kern/kern_shutdown.c:746 > > > > > > > > > > #3 0xffffffff8035f167 in db_panic (addr=<value optimized out>, > > > > > have_addr=2, count=0, modif=0x0) at > > > > > /usr/src/sys/ddb/db_command.c:473 > > > > > > > > > > #4 0xffffffff8035ed7d in db_command (cmd_table=0x0) at > > > > > /usr/src/sys/ddb/db_command.c:440 > > > > > > > > > > #5 0xffffffff8035eaf4 in db_command_loop () at > > > > > /usr/src/sys/ddb/db_command.c:493 > > > > > > > > > > #6 0xffffffff80361600 in db_trap (type=<value optimized out>, > > > > > code=0) > > > > > > at > > > > > > > > /usr/src/sys/ddb/db_main.c:251 > > > > > > > > > > #7 0xffffffff80966f01 in kdb_trap (type=12, code=0, tf=<value > > > > > optimized > > > > > out>) at /usr/src/sys/kern/subr_kdb.c:654 > > > > > > > > > > #8 0xffffffff80d4fa7c in trap_fatal (frame=0xfffffe086057f190, > > > > > > eva=<value > > > > > > > > optimized out>) at /usr/src/sys/amd64/amd64/trap.c:861 > > > > > > > > > > #9 0xffffffff80d4fe0c in trap_pfault (frame=0xfffffe086057f190, > > > > > usermode=<value optimized out>) at > > > > > /usr/src/sys/amd64/amd64/trap.c:677 > > > > > > > > > > #10 0xffffffff80d4f42e in trap (frame=0xfffffe086057f190) at > > > > > /usr/src/sys/amd64/amd64/trap.c:426 > > > > > > > > > > #11 0xffffffff80d33972 in calltrap () at > > > > > /usr/src/sys/amd64/amd64/exception.S:231 > > > > > > > > > > #12 0xffffffff80d4d58a in bzero () at > > > > > /usr/src/sys/amd64/amd64/support.S:53 > > > > > > > > > > #13 0xffffffff80830463 in ncl_doio (vp=0xfffff801e7f99938, > > > > > bp=0xfffffe07c5a168e8, cr=<value optimized out>, td=<value optimized > > > > > > out>, > > > > > > > > called_from_strategy=<value optimized out>) > > > > > > > > > > at /usr/src/sys/fs/nfsclient/nfs_clbio.c:1648 From owner-freebsd-current@FreeBSD.ORG Mon Oct 20 08:19:51 2014 Return-Path: <owner-freebsd-current@FreeBSD.ORG> Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 0343DFF8; Mon, 20 Oct 2014 08:19:51 +0000 (UTC) Received: from theravensnest.org (theraven.freebsd.your.org [216.14.102.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cloud.theravensnest.org", Issuer "StartCom Class 1 Primary Intermediate Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id C72E2D00; Mon, 20 Oct 2014 08:19:49 +0000 (UTC) Received: from [192.168.0.106] (cpc14-cmbg15-2-0-cust307.5-4.cable.virginm.net [82.26.1.52]) (authenticated bits=0) by theravensnest.org (8.14.9/8.14.9) with ESMTP id s9K8Jcfn087914 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Mon, 20 Oct 2014 08:19:42 GMT (envelope-from theraven@FreeBSD.org) X-Authentication-Warning: theravensnest.org: Host cpc14-cmbg15-2-0-cust307.5-4.cable.virginm.net [82.26.1.52] claimed to be [192.168.0.106] Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: Voxer using FreeBSD, BSDNow.tv interview From: David Chisnall <theraven@FreeBSD.org> In-Reply-To: <CAG=rPVfYQCBVRUcdPORAKGz_851YSTos=W7y0Sb2_VzO9cJ_oQ@mail.gmail.com> Date: Mon, 20 Oct 2014 09:19:31 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <31A8D963-F8EF-4D68-9586-39EE8A7C7C5A@FreeBSD.org> References: <CAG=rPVfYQCBVRUcdPORAKGz_851YSTos=W7y0Sb2_VzO9cJ_oQ@mail.gmail.com> To: Craig Rodrigues <rodrigc@FreeBSD.org> X-Mailer: Apple Mail (2.1878.6) Cc: freebsd-advocacy@freebsd.org, freebsd-current Current <freebsd-current@freebsd.org> X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>; List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 20 Oct 2014 08:19:51 -0000 On 19 Oct 2014, at 23:09, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: > (2) Most devops engineers in web/mobile companies are familiar = with > Linux. Any differences between Linux and FreeBSD in > command-line > utilities are not show-stoppers, but they are annoyances. > Anything FreeBSD could do to help people used to Linux = would be > a big > help. Allan Jude even brought up my request to symlink > /bin/bash ( > = https://lists.freebsd.org/pipermail/freebsd-ports/2014-September/095483.ht= ml > ) :) I presume that most of the relevant differences are for users / = developers and not sysadmins? It's worth noting that GNU coreutils, = tar, bash, and a load of other things are in the ports repository. I = wonder if it's worth having a gnu-userland metaport, perhaps with = something like the Solaris approach of sticking them all in a different = tree so that you can just add that to the start of your PATH and have = all of the GNU tools work by default. =20 David
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